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P.22C-8 - Road Race Engineering

1. FUSIBLE IGNITION LINK 4 SWITCH IG1 Lu x gt Lu M 1 2 3 4 _ 5 67 1 o so0l ed 6 c 317 ELLU 12 faiais ETACS ECU Yy IG1 RELAY ra eee 3 OFF ON H 7T 10A 71 5A 4 ae E 3 w 34 516 IABE 5 6 7 5 8 o Loni 8 9 HominsiaTse 13 14 15 1 61 7 18 19 2 be So Lu oO So 20 C 35 wl IANUE 6 7 8 9 10 1 5 12 13 1411516 17 1811920 21 22123 24 gt lt ao oO 16 GND v lh lt _ faa AC803125 AB Connector C 35 ee 7 Connectors C 309 C 313 C 315 C 317 ee Junction block o AC807552BJ AC608152 CV TSB Revision 22C 446 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines This diagnostic trouble code is set when the abnor an incorrect diagnostic trouble code may be mality below is detected set Prior to this diagnosis diagnose the CAN e When the AWC ECU power supply voltage and bus lines solenoid valve power supply voltage are 9 V or e Whenever the ECU is replaced ensure that less the CAN bus lines are normal PROBABLE CAUSES e Malfunction of the ETACS ECU e Defective battery e Charging system failed OPERATION AWC ECU power supply is provided from the battery via ETACS ECU Damaged har
2. WHITE WHITE 1 c 309 WE ETACS ECU a gt O_O 16 C 312 1 304 6 7 8 9 10 1 1 12 13 1 4 15 1 6 i ome 1 2 34 5 6 7 8 9 10 1 1 12 13 14 15 16 STOPLIGHT BLACK RED SWITCH C 32 MU801491 f RED Npn e 71 TI aq BI A 5161718 9 1611718119120121 77 C 38 1 2 3 4 5 6178 9 1011 siais eli 7118 19 20 2 1 22 23 24 2 JOINT CONNECTOR 4 H 12 NY AC807747 Connectors C 304 C 309 C 312 AC608152CS AC807552 BN TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 401 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt A CAUTION e The vehicle has run for a long time with the stop e If there is any problem in the CAN bus lines light switch turned ON an incorrect diagnostic trouble code may be With the stoplight switch OFF the vehicle speed set Prior to this diagnosis diagnose the CAN is decelerated suddenly bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES the CAN bus lines are normal Incorrect adjustment of stoplight switch position Malfunct
3. Shift fork 3 position 6th gear side hift fork 3 position No gt 6 mm 0 24 inch hift fork 3 positio No Yes ne neutral position Yes Shift fork 3 position No gt 1 8 mm 0 071 inch Yes Initialized fork position shift fork 1 position lt 2 5 mm 0 098 inch No Continuous failure for 200 msec Malfunction AC710687 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 189 DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 1 REQUESTED BUT SHIFT FORK 3 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 1 JUDGMENT CRITERIA e Shift fork 3 position 6 mm 0 24 inch 6th gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 1 position 2 5 mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 1 REQUESTED BUT SHIFT FORK 3 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 6th gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the initialized fork position shift fork 1 position 2 5 mm 0 098 inch or more continues for 200 millisecon
4. 22C 376 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt INSPECTION PROCEDURE 3 Back up light does not illuminate Backup lamp switch system circuit IGNITION FUSIBLE SWITCH IG1 LINK G LL w j 2 5 671 Boffo 12 fraps a 6 0 317 11 c 309 z ETACS ECU ae IG1 3 a re eee ee RELAY ONT OFF BG O O A m 1w H H E C 313 C 304 2 on 2 C 311 aa e eT T2141 5 6 7 5 TBAT Sle 718 9 8 9 10 1 1 12 13 1 4 15 76 8 9 10111213141516 n 24 102a 61718119120 JOINT JOINT CONNECTOR 4 CONNECTOR 4 C 38 d 2J3l4l5 LI 6 7 8 91011 gt pa 4l15 16l17 18 19 20 21 22 23 24 a C 39 H m
5. 7 Remove the drain plug and leave it for 3 minutes to drain the fluid NOTE Because the fluid in the oil cooler oil filter and tran saxle assembly cannot be drained the amount of drained fluid will be approximately 5 5 dm approximately 5 8 SS Pap ay quarts 8 Tighten the drain plug to the specified torque ae y n Tightening torque 35 5 N m 26 4 ft lb l f ew Centermember XXO AC704517AE 9 Fill the fluid into the filler plug Brand name Dia Queen SSTF I Filling amount Approximately 5 5 dm approximately 5 8 quarts 10 Tighten the filler plug to the specified torque Tightening torque 35 5 N m 26 4 ft lb 11 Install the air cleaner element and air cleaner intake duct Refer to GROUP 15 Air Cleaner P 15 9 12 Install the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 TSB Revision 22C 480 cy KN J oo p SST gt 7 Oil drain plug TWO AY OY ZINS IR Pe Q a SC Filler plug hole Transfer oil Gasket 7 ns Oil filler plug 14mm TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST ON VEHICLE SERVICE TRANSFER OIL CHECK 1 Remove the engine room under cover front B assembly M1221001100410 Refer to GROUP 51 Under Cover P 51 20 2 Remove the filler plug and gasket Check that the oil level is not 14 mm 0 6 inch below the bottom of the oil filler
6. ETACS ECU TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 383 DIAGNOSIS lt SHIFT LEVER gt INSPECTION PROCEDURE 6 Shift lever ECU power supply circuit abnormality Power supply system circuit FUSIBLE IGNITION FUSIBLE LINK 4 SWITCH IG1 LINK LL 2 T E11 o s lel 6 RELAY T BOX A ENGINE IG1 3 COMPARTMENT RELAY OFF ON l l OM C317 Fa 5 Sz gjo 12 fralialis u ce m bi 19 C128 1a OJ 6 78 9 m 1o nA reli gl2021 22 u SF n 13 12 SHIFT LEVER CPU c 49 1 214 S 5 8 9 110 11 12 13 14 15 16 8 2 a x x lt 2 2 al a AC803095 AB TSB Revision 22C 384 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST A CAUTION Whenever the ECU is replaced ensure th CAN bus lines are normal DIAGNOSIS lt SHIFT LEVER gt Connectors C 309 C 317 Junction block AC608152CU PROBABLE CAUSES e Defective battery e Damaged harness wires and connectors at the COMMENTS ON TROUBLE SYMPTOM EARN E AET A The shift lever ECU power supply circuit ground cir cuit or shift lever ECU may have a problem e Malfunctio
7. 22C 497 OIL PAN oad si acit cine aevcew eee 22C 503 REMOVAL AND INSTALLATION 22C 503 MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER 22C 505 REMOVAL AND INSTALLATION 22C 505 TRANSAXLE CASE OIL SEAL 22C 509 REMOVAL AND INSTALLATION 22C 509 OIL COOLER iicccce eae eens 22C 513 REMOVAL AND INSTALLATION 22C 513 OIL FILTER tice cece veat ort 2 22C 515 REMOVAL AND INSTALLATION 22C 515 PADDLE SHIFT ASSEMBLY 22C 517 REMOVAL AND INSTALLATION 22C 517 INSPECTION 000 22C 517 PADDLE SHIFT SWITCH CHECK 22C 517 AWC ECU c2cce ceeeees triest 22C 518 REMOVAL AND INSTALLATION 22C 518 SENSOR SWITCH AND RELAY 22C 519 REMOVAL AND INSTALLATION 22C 519 INSPECTION 002 22C 520 ELECTRIC PUMP RELAY CHECK 22C 520 AWC SWITCH CHECK 22C 520 HYDRAULIC UNIT 22C 521 REMOVAL AND INSTALLATION 22C 521 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 3 GENERAL INFORMATION GENERAL INFORMATION Item Specification Transmission model W6DGA Transmission type 6 speed forward 1 speed reverse constant mesh Clutch Wet multiplate clutch x 2 Gear ratio 3 655 2 368 1 754 1 322 5th 0 983 6th 0 731 Reverse 4 011 Final gear ratio 4 062 M1225000100099 Helical gear LSD front differential Present Transfer Reducti
8. TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 395 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt FAIL SAFE REFERENCE TABLE Diagnostic Control content VIN not written Normal control Parking brake switch A warning is given to the driver with the trouble displayed to the EEPROM multi information display but the control is maintained because the vehicle behavior is not affected AWC actuator A warning is given to the driver by the flashing of multi information protection 1 display control mode and the control is stopped AWC actuator protection 2 Others other than above A warning is given to the driver with the trouble displayed to the multi information display and the control is stopped NOTE All the troubles will return to a normal status when the ignition switch is turned from OFF to ON HOW TO CONNECT THE SCAN TOOL M U T III Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A Vehicles with CAN communication system A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Ensure that the ignition switch is at the LOCK OFF position 2 Start up the personal computer 3 Connect special tool MB991827 to
9. DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C161E Electric Pump System AWC PUMP RELAY SYSTEM CIRCUIT Refer to P 22C 435 A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal Since the fluid in the hydraulic unit will be hardened under low temperature the load of the pump increases and the motor may not operate normally Therefore completely remove snow and ice from the hydraulic unit and leave the vehicle under temperature of 0 C or higher for 4 hours or more before per forming the troubleshooting OPERATION AWC ECU controls the electric pump by the informa tion from AWC pressure sensor and electric pump relay DTC SET CONDITIONS The code is set when the electric pump operation signal is output from AWC ECU and when the AWC pressure sensor signal is not reached the specified pressure after the specified time has elapsed PROBABLE CAUSES Fluid malfunction low fluid level AWC pressure sensor malfunction Electric pump relay malfunction Hydraulic unit malfunction Electric pump malfunction Damaged harness wires and connectors Malfunction of AWC ECU Used under low temperature condition DIAGNOSIS STEP 1 Check whether the diagnostic trouble code is reset As for vehicles under low temperature condition
10. DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 4 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 4 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1831 Shift fork position sensor 4 system Volt age low range out e P1833 Shift fork position sensor 4 system Out put range out e P1834 Shift fork position sensor 4 system Neu tral e P1835 Shift fork position sensor 4 system Poor performance P184B Shift fork 4 malfunction P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 175 DIAGNOSIS lt TC SST gt P187B Gear block 6th P187C Gear block reverse e P1878 Gear block 3rd Sensor The sensor below is determined to be e P1879 Gear block 4th normal e P187A Gear block 5th e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position gt 3 008 V Yes Continuous failure for 160 msec Yes Malfunction AC710680 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Ch me The position sensor voltage remains 3 008 V or less e
11. NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 338 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 4 TC SST ECU power supply circuit malfunction Power supply system circuit FUSIBLE IGNITION FUSIBLE LINK 4 SWITCH IG1 LINK 6 amp 8 Lu eS Lu gt fil 1 c 309HE 6 C317 ETACS ECU J RELAY l BOX l S ENGINE ay A a a 3 a COMER IMENT OFFF ON 7 5A Lu lS 631l e ao o Z 12 a 891011 13 14 15 seu a Ore L e aS a gt Lw 19 G 128 an 1273 O 8 9 m 10 iA en 718191201211 99 seu Or L ae f a gt o 14 A540 _ OO a Tio S 1P o 5 6 7 8 9 Ew 5 ag eh dtr rard aed 22 o lt 11 6 19 a TRANSMISSION ASSEMBLY NOTE THE TERMINAL NUMBERS DESCRIBED IN THE CIRCUIT DIAGRAM AGREE WITH THE NUMBERS MARKED ON THE TRANSMISSION ASSEMBLY CONNECTOR AND HARNESS SIDE CONNECTOR AC803079 AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Connectors A 54 A CAUTION Whenever the ECU is replaced ensure that the C
12. e Malfunction of TC SST ECU at al mites TANSSIIN SOUP A THU MN Dr e Malfunction of shift cooling switching solenoid less 220 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 82 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0970 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0971 Shift Cooling Switching Solenoid System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift cooling switching solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift
13. 1 0 1 Until completion of initial shift fork action 25 e 2 After completion of initial shift fork action 20 p E Le 40 20 20 120 40 CA 82 68 248 Fluid temperature C F AC710827AB Maximum allowed time sec i Coefficient 4 000 8 000 16 000 Line pressure hPa AC710826 AC e Shift fork operation time Shift fork operation time threshold value or more immediately e Shift fork operation time threshold value Equal the maximum allowed time x Coefficient imme diately OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK BLOCKED gt The shift fork operation time is threshold value or less TSB Revision 22C 210 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Neutral gt START age No Monitoring condition met Shift fork position No gt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction AC710686 JUDGMENT CRITERIA DTC SET CONDITIONS lt FUNCTIONAL e Shift fork position 1 8 mm 0 071 inch or more CHECK NEUTRAL gt 250 millisecond Check Conditions Voltage of battery 8 V or more OBD II DRIVE CYCLE PATTERN Voltage of battery 16 5 V or less lt FUNCTIONAL CHECK NEUTRAL gt Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift fork 4 cur
14. 199 Gear block 4th P 22C 268 200 Gear block 5th P 22C 270 201 Gear block 6th P 22C 272 202 Gear block reverse P 22C 274 137 EOL Mode Active P 22C 275 268 Twin clutch SST control mode switch system Malfunction RD gt OI N N N N NO NNN P 22C 276 168 170 Shift fork 1 jump out P 22C 277 164 166 Shift fork 2 jump out P 22C 278 165 Shift fork 3 jump out P 22C 279 169 171 Shift fork 4 jump out P 22C 280 132 Teach In not completed TSB Revision P 22C 281 P2718 1045 Clutch shift pressure solenoid 1 system Open circuit 1 P 22C 282 22C 20 Monitoring unit No TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Diagnostic item Judgment drive cycle Reference page 079 Clutch shift pressure solenoid 1 system Overcurrent 1 P 22C 284 044 Clutch shift pressure solenoid 1 system Short to ground 1 P 22C 286 043 Clutch shift pressure solenoid 1 system Short to power supply P 22C 288 048 Clutch shift pressure solenoid 2 system Open circuit P 22C 290 080 Clutch shift pressure solenoid 2 system Overcurrent P 22C 292 047 Clutch shift pressure solenoid 2 system Short to ground P 22C 294 046 Clutch shift pressure solenoid 2 system Short to power supply P 22C 296 134
15. actual current remains 500 mA or less for 12 sec onds Check Conditions lt Rationality low gt e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA lt Rationality low gt e Calculated current target current actual cur PROBABLE CAUSES rent 500 mA or more 12 seconds e Malfunction of TC SST ECU e Malfunction of line pressure solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 41 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Leave the engine idle for 15 seconds and perform a test run of the vehicle Then check that the DTC is reset Q Is DTC No P0746 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0753 Shift Select Solenoid 1 System Open circuit A CAUTION e If there is any problem in the CA
16. 22C 312 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality Failure condition 1 gt START Input shaft speed odd total gear ratio odd input shaft speed even total gear ratio even gt 100 r min No Input shaft speed total gear ratio output shaft speed gt 400 r min Yes Malfunction Failure condition 2 1 In case of input speed sensor A monitor this is speed of input shaft odd In case of input speed sensor B monitor this is speed of input shaft even 2 In case of input speed sensor A monitor this is total gear ratio of input shaft odd In case of input speed sensor B monitor this is total gear ratio of input shaft even AC710598AC LOGIC FLOW CHARTS Monitor Sequence lt Rationality Failure condition 2 gt 3 4 Input shaft speed odd lt 1 r min Input shaft speed even lt 1 r min Input shaft speed even Input shaft speed odd 50 r min 50 r min 3 In case of input speed sensor A monitor 4 In case of input speed sensor B monitor AC710599AB DTC SET CONDITIONS e Input shaft even gear engaged JUDGMENT CRITERIA lt Rationality gt e Failure condition 1 or failure condition 2 Refer to Logic Flow Charts Monitor Sequence lt Rational ity gt 500 millisecond Check Conditions lt Rationality gt e Voltage of battery 8 V or more
17. 22C 518 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST AWC ECU AWC ECU REMOVAL AND INSTALLATION M1225010800099 Pre removal and Post installation Operation e Bottom Cover Removal and Installation Refer to GROUP 52A Glove box P 52A 6 8 5 1 5N m 5 75 13 in Ib P AC710454 AD Removal steps 1 AWC ECU 2 AWC ECU connector connection TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 519 SENSOR SWITCH AND RELAY SENSOR SWITCH AND RELAY REMOVAL AND INSTALLATION M1225011200120 STEERING WHEEL SENSOR Refer to GROUP 35C Steering Wheel Sensor P 35C 321 G AND YAW RATE SENSOR Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 WHEEL SPEED SENSOR Refer to GROUP 35C Wheel Speed Sensor P 35C 316 AWC SWITCH AC802596AC Removal Steps 1 Floor console switch panel Refer to GROUP 52A Floor console assembly P 52A 9 2 AWC switch ELECTRIC PUMP RELAY Electric pump relay X an i iS JERSE TSB Revision 22C 520 SENSOR SWITCH AND RELAY INSPECTION TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST ELECTRIC PUMP RELAY CHECK terminals No 2 and No 4 M1221021700083 1 Using a jumper wire connect the positive battery terminal to the electric pump relay terminal No 3 and the negative battery terminal to the terminal No 1 2 Check for continuity between the electric pump
18. 3 Turn the ignition switch to the ON position 4 Using the scan tool forcibly activate the hydraulic unit item No 03 to reduce the pressure inside the accumulator NOTE e With the forced activation oil level check mode the hydraulic unit direction valve is operated 20 seconds to right and left and then the operation is cancelled auto matically Also using the clear key on the scan tool the activation can be forcibly cancelled When the functions are suspended by the fail safe func tion the hydraulic unit cannot be forcibly activated 5 Check that the oil reservoir fluid level is in between MAX and MIN 6 If the fluid level is not in between MAX and MIN fill the specified fluid Brand name DIAMOND ATF SP IlI 7 Install the quarter trim plug and cargo floor box lid Oil reservoir AC802428AD ACD BLEEDING A CAUTION At low temperature the fluid viscosity is so high that air bleeding becomes degenerated Air bleeding should be done at normal temperatures 10 to 30 C 50 to 86 F 1 Raise the vehicle 2 Remove the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 M1225008800092 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 485 ON VEHICLE SERVICE 3 Remove the bleeder screw cap of the transfer then connect the vinyl hose A CAUTION Before connecting or disconnecting scan tool alwa
19. DTC P2766 Input Shaft 2 Even number gear axle Speed Sensor System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the input shaft sensor 2 is normal DESCRIPTIONS OF MONITOR METHODS The even number gear side input shaft speed revo lution is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0715 Input shaft 1 odd number gear axle speed sensor system Output high range out e P0716 Input shaft 1 odd number gear axle speed sensor system Poor performance e P0717 Input shaft 1 odd number gear axle speed sensor system Output low range out Sensor The sensor below is determined to be normal e Input shaft 1 odd number gear axle speed sen sor TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 311 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality gt START Yes v No Failure condition 1 Yes ee N Failure condition 2 Yes Continuous failure for 500 msec Malfunction AC710597 TSB Revision
20. ETACS P 54A 721 Q Is the check result normal YES Go to Step 9 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 9 STEP 9 Check whether the DTC is reset Q Is DTC No C1616 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 10 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 10 Check whether the DTC is reset Q Is DTC No C1616 set YES Return to Step 1 NO This diagnosis is complete DTC C1617 AWC CAN Main Data System Data Not Received A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the signal necessary for AWC an incorrect diagnostic trouble code may be control cannot be received set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal OPERATION AWC ECU receives various data from ECU via CAN communication PROBABLE CAUSES The CAN bus line is defective Malfunction of engine control module Malfunction of ASC ECU Malfunction of steering wheel sensor Malfunction of the ETACS ECU Malfunction of AWC ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 431 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines
21. Go to Step 10 Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 10 STEP 10 Check whether the DTC is reset Q Is DTC No C123C set YES NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 11 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 11 Check whether the DTC is reset Q Is DTC No C123C set YES NO Return to Step 1 This diagnosis is complete DTC C1242 G and Yaw Rate Sensor System Abnormality of Longitudinal G Sensor Output Signal CAUTION A If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines Whenever the ECU is replaced ensure that the CAN bus lines are normal Do not drop the G and yaw rate sensor or sub ject it to a shock When G and yaw rate sensor is replaced cali brate G and yaw rate sensor refer to GROUP 35C On vehicle Service P 35C 302 OPERATION AWC ECU receives the G and yaw rate sensor data from ASC ECU via the CAN communication DTC set conditions This diagnostic trouble code is set when the abnor mality below is detected e Abnormality in G and yaw rate sensor output value TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 415 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt e This diagnostic
22. NO Goto Step 6 STEP 6 AWC switch connector ETACS ECU connector check C 50 C 317 Q Is the check result normal YES Go to Step 7 NO Repair the defective connector Then go to Step 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 469 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 7 Check the wiring harness between C 50 AWC switch connector terminal No 2 and C 317 ETACS ECU connector terminal No 5 Check the power supply line for short or open circuit Q Is the check result normal YES Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 12 NO Repair the wiring harness Then go to Step 13 STEP 8 Voltage measurement at C 51 AWC ECU connector 1 With C 51 AWC ECU connector connected measure the voltage between terminal No 21 and ground at the harness side 2 Turn the ignition switch to the ON position OK Battery voltage Press and hold the AWC switch OK 1 V or less Release the AWC switch Q Is the check result normal YES Go to Step 11 NO Goto Step 9 STEP 9 Intermediate connector AWC ECU connector AWC switch connector check C 36 C 51 C 50 Q Is the check result normal YES Go to Step 10 NO Repair the defective connector Then go to Step 13 STEP 10 Wiring harness check between C 51 AWC ECU connector terminal No 21 and C 50 AWC switch connector terminal No 1 Check the output line for short o
23. P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal e Shift fork position sensor 3 e Shift fork position sensor 4 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 105 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor supply gt 3 25 V Yes Continuous failure for 140 msec Yes Malfunction AC710670 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The supply voltage remains 3 25 V or less for 140 e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Supply voltage 3 25 V or more 140 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 3 and 4 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the
24. Q Check if any code from P1836 P183D P1844 or P184B is set in addition to the diagnostic trouble code No P1858 YES Replace the mechatronic assembly Refer to P 22C 505 NO Replace the transaxle assembly Refer to P 22C 497 TSB Revision 22C 226 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC P185D Clutch open not possible A CAUTION DIAGNOSIS lt TC SST gt DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the clutch 1 and 2 are nor an incorrect diagnostic trouble code may be mal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The disengagement of the clutch 1 and 2 are deter the CAN bus lines are normal mined to be impossible PROBABLE CAUSES e Malfunction of clutch assembly DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 15 seconds with the engine
25. Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P186A High side 3 system Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 3 circuit is normal DESCRIPTIONS OF MONITOR METHODS The supply current to the high side 3 is determined to be overcurrent MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground e P0974 Shift select solenoid 1 system Short to power supply e P2727 Clutch shift pressure solenoid 2 system Open circuit e P2728 Clutch shift pressure solenoid 2 system Overcurrent e P2729 Clutch shift pressure solenoid 2 system Short to ground e P2730 Clutch shift pressure solenoid 2 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power suppl
26. STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 ETACS ECU coding data check Using the scan tool check if there is any abnormality to the coding data stored in the ETACS ECU Refer to GROUP 00 Coding Reference Table P 00 28 Q Is the check result normal YES Go to Step 4 NO Repair the coding data or replace ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 5 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 463 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U1417 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No U1417 set YES Return to Step 1 NO This diagnosis is complete DTC U1425 TC SST Data Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when abnormality is det
27. Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 420 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 2 Check whether the DTC is reset Q Is DTC No C1612 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check if the ACD related DTC No C1625 is set Refer to P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting Then go to Step 9 NO Goto Step 4 STEP 4 AWC ECU connector intermediate connector AWC pressure sensor connector check C 51 D 11 F 27 Q Is the check result normal YES Go to Step 5 NO Repair the defective connector Then go to Step 9 STEP 5 Check the wiring harness between C 51 AWC ECU connector terminal No 7 and F 27 AWC pressure sensor connector terminal No 2 Check the output line for short for short to the power supply or open circuit Q Is the check result normal YES Go to Step 6 NO Repair the wiring harness Then go to Step 9 STEP 6 Check the wiring harness between C 51 AWC ECUconnector terminal No 8 and F 27 AWC pressure sensor connector terminal No 3 Check the ground line for open circuit Q Is the check result normal YES Go to Step 7 NO Check D 11 intermediate connector When no problem is found repair the wiring harness Then go to Step 9 TSB Revision TWIN
28. Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Leave the engine idle for 15 seconds and perform a test run of the vehicle Then check that the DTC is reset Q Is DTC No P0776 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0777 Clutch Cooling Flow Solenoid System Stuck A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid is normal DESCRIPTIONS OF MONITOR METHODS The clutch cooling flow solenoid is determined to be seized MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply Sensor The sensor below is
29. e P2815 Clutch shift switching solenoid 2 system Short to power supply e P181E Clutch 2 Pressure low range out e P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 321 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 200 msec Yes Malfunction AC710662 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 100 mV or more for e Voltage of battery 8 V or more eee mllseconas e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 100 mV or less 200 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch shift switching solenoid 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Rev
30. 2 Carry out the Item No 3 Teach In Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 3 With the engine idle status check that the DTC is reset Q Is the DTC No P181B restored or Is the line pressure test of Teach In not completed normally No is displayed in the Data list No 101 Normal End YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check the fluid Q Is the fluid level proper YES Go to Step 4 NO Add the fluid TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 111 DIAGNOSIS lt TC SST gt STEP 4 Check the installation status of the mechatronic assembly Q Is the mechatronic assembly installed correctly YES Go to Step 5 NO Install the mechatronic assembly correctly Refer to P 22C 505 STEP 5 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status check that the DTC is reset Q Is DTC No P181B set YES Replace the mechatronic assembly Refer to NO P 22C 505 Then go to Step 6 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 6 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status check that the DTC is reset Q Is DTC No P181B set YES Replace the transaxle assembly Refer to NO DTC P181C Clutch 1
31. 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec R or D or manual mode 7 7 gt 10 C 14 F 2 220 msec Example of the time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805097AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 2 EVEN PRESSURE 3 000 HPA OR MORE gt Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more Time required DIAGNOSIS lt TC SST gt more JUDGMENT CRITERIA 22C 123 e Clutch 2 even state Slip or engaged e Target clutch 2 even pressure 3 000 hPa or e Calculated pressure 5 000 hPa or less Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time
32. 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 3 220 msec 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 118 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After the test run check that the DTC is re
33. 40 N m 30 ft lb or more e Requested shift fork Not shift fork 2 Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710683 JUDGMENT CRITERIA e Shift fork 2 position 6 mm 0 24 inch or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 2 CURRENT GEAR 3RD GEAR gt The travel distance of the shift fork 2 remains 6 mm 0 24 inch or less for 250 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 157 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 5th gear check that the DTC is reset Q Is DTC No P1829 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refe
34. AWC ECU receives chassis number information set Prior to this diagnosis diagnose the CAN from the engine control module via CAN and writes bus lines to AWC ECU e Whenever the ECU is replaced ensure that the CAN bus lines are normal PROBABLE CAUSES OPERATION e The CAN bus line is defective AWC ECU receives chassis number information e Malfunction of engine control module from the engine control module e VIN not written e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 451 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 2 Scan tool diagnostic trouble code Check whether engine related diagnostic trouble code No P0630 is set Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No C2203 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset Q Is DTC No C2203 set YES Return to Step 1
35. After repairing the CAN bus line go to Step 2 TSB Revision 22C 64 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0960 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0961 Line Pressure Solenoid System Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the line pressure solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The supply current to the line pressure solenoid is determined to be overcurrent MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0746 Line pressure solenoid system Drive cur rent range out e P0960 Line pressure solenoid system Open cir cuit e P0962 Line pressure solenoid system Short to ground e P0963 Line pressure solenoid system Short to power supply Sensor The sensor below
36. Is the DTC No P181E restored or Is the line pressure test of Teach In not completed normally No is displayed in the Data list No 101 Normal End YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check the fluid Q Is the fluid level proper YES Go to Step 4 NO Add the fluid STEP 4 Check the installation status of the mechatronic assembly Q Is the mechatronic assembly installed correctly YES Go to Step 5 NO Install the mechatronic assembly correctly Refer to P 22C 505 STEP 5 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status check that the DTC is reset Q Is DTC No P181E set YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 6 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status check that the DTC is reset Q Is DTC No P181E set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 121 DIAGNOSIS lt TC SST gt DTC P181F Clutch 2 Pressure high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnos
37. Junction block Connector C 212 AC608152 AL A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the cranking signal is set for an incorrect diagnostic trouble code may be five seconds or more continuously while driving set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES Whenever the ECU is replaced ensure that lt Malfunction of the ETACS ECU the CAN bus lines are normal e Ignition switch malfunction OPERATION e Damaged harness wires and connectors AWC ECU receives the signal of the ignition switch e Malfunction of AWC ECU from ETACS ECU via CAN communication TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 429 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1616 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code e Check the KOS diagnostic trouble code Refer to GROUP 42B Troubleshooting P 42B 31 e Check the WCM diagnostic trouble code Refer to GROUP 42C Troubleshooting P 42C 18 e Check t
38. Monitor Sequence START Vehicle condition met ie Fluid temperature gt 149 C 300 2 F Continuous failure for 400 msec Yes Malfunction AC710594AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The fluid temperature remains 149 C 300 2 F or e Voltage of battery 8 V or more more for 400 milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Fluid temperature 149 C 300 2 F or more 400 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 310 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P2743 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13
39. NO This diagnosis is complete DTC P182B Shift Fork Position Sensor 3 System Voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 3 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 3 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P182A Shift fork position sensor 3 system Volt age low range out e P182C Shift fork position sensor 3 system Out put range out e P182D Shift fork position sensor 3 system Neu tral e P182E Shift fork position sensor 3 system Poor performance e P1844 Shift fork 3 malfunction e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment e P1858 Even number gear axle interlock e P1876 Gear block 1st e P1877 Gear block 2nd TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 161 DIAGNOSIS lt TC SST gt P187B Gear block 6th P187C Gear block reverse e P1878 Gear block 3rd Sensor The sensor bel
40. OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0758 Shift select solenoid 2 system Open cir cuit e P0976 Shift select solenoid 2 system Short to ground e P0977 Shift select solenoid 2 system Short to power supply e P0746 Line pressure solenoid system Drive cur rent range out e P0960 Line pressure solenoid system Open cir cuit e P0961 Line pressure solenoid system Overvolt age e P0962 Line pressure solenoid system Short to ground TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 231 DIAGNOSIS lt TC SST gt e P0963 Line pressure solenoid system Short to Sensor The sensor below is determined to be power supply normal e P0968 Shift cooling switching solenoid system e Shift select solenoid 2 Open circuit e Line pressure solenoid e P0970 Shift cooling switching solenoid system e Shift cooling switching solenoid Short to ground e P0971 Shift cooling switching solenoid system Short to power supply LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met Yes N FET can t switched off o Yes Continuous failure No for 12 sec Yes AC710727 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN np The FET switch remains OFF for 12 seconds Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5
41. P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 183 LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 4 current gear 4th gear gt START Shift fork position lt 6 mm 0 24 inch Malfunction DTC SET CONDITIONS lt SHIFT FORK 4 CURRENT GEAR 4TH GEAR gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Input shaft 2 even speed 500 r min or more e Shift fork 4 current gear 4th gear Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710682 e Clutch 2 even transmit torque 40 N m 30 ft lb or more e Requested shift fork Not shift fork 4 JUDGMENT CRITERIA e Shift fork 4 position 6 mm 0 24 inch or less 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 2 CURRENT GEAR 4TH GEAR gt The travel distance of the shift fork 4 remains 6 mm 0 24 inch or more for 250 millisecond TSB Revision 22C 184 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 4
42. P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision 22C 140 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 1 current gear 1st gear gt START Shift fork position lt 6 mm 0 24 inch Malfunction DTC SET CONDITIONS lt SHIFT FORK 1 CURRENT GEAR 1ST GEAR gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Input shaft 1 odd speed 500 r min or more e Shift fork 1 current gear 1st gear Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710682 e Clutch 1 odd transmit torque 40 N m 30 ft lb or more e Requested shift fork Not shift fork 1 JUDGMENT CRITERIA e Shift fork 1 position 6 mm 0 24 inch or less 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 1 CURRENT GEAR 1ST GEAR gt The travel distance of the shift fork 1 remains 6 mm 0 24 inch or more for 250 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 141 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 1 current gear Reverse gear gt START Shift fork position gt 6 mm 0 24 inch Malfunction DTC SET
43. Perform a test run of the vehicle Perform a test run of the vehicle Nearly the same as the speedometer display 100 100 deg s Lateral G sensor Vehicle is stopped horizontal state 4 1 1 1 m s2 Perform a test run of the vehicle 10 10 m s Longitudinal G sensor Vehicle is stopped horizontal state 4 1 1 1 m s2 Perform a test run of the vehicle 410 10 m s Stoplight switch Brake pedal Depressed Brake pedal Released ON Parking brake switch Parking brake lever Pulled Parking brake lever Released Back up lamp switch Shift lever Operated to reverse Shift lever Other than above Ignition switch Ignition switch ON Ignition switch START START Battery voltage Ignition switch ON Battery positive voltage IOD fuse Fuse inserted ON Fuse removed OFF Odometer Ignition switch ON The same as the meter display ETACS coding status Coding incomplete Not complete Coding data requested Data request Coding completed Complete ECU connection ABS ASC ECU connected Present ASC ECU disconnected Not present ECU connection ENGINE Engine control module connected Present Engine control module disconnected Not present ECU connection T M SST ECU connected Present SST ECU disconnected Not present ECU connection SAS Steering s
44. Q Is DTC No U0101 set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC U0121 ASC Time out Error A CAUTION JUDGMENT CRITERIA If there is any problem in the CAN bus lines The periodic communication data from the ASC ECU an incorrect diagnostic trouble code may be cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e The CAN bus line is defective the CAN bus lines are normal e Malfunction of ASC ECU e Malfunction of the shift lever ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 372 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt STEP 2 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0121 set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer t
45. R gt P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or Spr All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 116 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 1 odd pressure 1 400 hPa START or less gt Monitoring condition met Calculated pressure lt 1 000 hPa Continuous failure for time required Malfunction Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required gt 10 C 14 F 1 220 ms
46. R or D or manual mode z 3 gt 10 C 14 F 2 220 msec Example of the time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is RN If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805098AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 2 EVEN PRESSURE 1 400 HPA DIAGNOSIS lt TC SST gt more OR MORE TO 3 000 HPA OR LESS gt Check Conditions e Engine speed 650 r min or more JUDGMENT CRITERIA 22C 125 e Clutch 2 even state Slip or engaged e Target clutch 2 even pressure 1 400 hPa or e Calculated pressure 2 000 hPa or less Time required e Time since above engine condition 1 5 seconds or more Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position D N or R N or R gt P Transmission fluid temperature gt 10 C 14 F Time required 1
47. STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P1866 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1867 High side 2 system Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system set Prior to this diagnosis diagnose the CAN Short to ground bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION e P0967 Clutch cooling flow solenoid system Short to power supply e P2718 Clutch shift pressure solenoid 1 system Open circuit e P2719 Clutch shift pressure solenoid 1 system TC SST ECU checks that the high side 2 circuit is Overcurrent normal e P2720 Clutch shift pressure solenoid 1 system Short to ground DESCRIPTIONS OF MONITOR METHODS e P2721 Clutch shift pressure solenoid 1 system Short to power supply The high side 2 circuit is determined to be open e P2733 Clutch shift switching solenoid 1 spool MONITOR EXECUTION e Continuous stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switch
48. STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 275 DIAGNOSIS lt TC SST gt STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check the DTC Q Is DTC No P187C set YES Replace the transaxle assembly Refer to NO DTC P1880 EOL Mode Active A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the TC SST setting mode is normal P 22C 497 This diagnosis is complete DESCRIPTIONS OF MONITOR MET
49. Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal e Shift fork position sensor 1 e Shift fork position sensor 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 101 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor supply gt 3 25 V Yes Continuous failure for 140 msec Yes Malfunction AC710670 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The supply voltage remains 3 25 V or less for 140 e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Supply voltage 3 25 V or more 140 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 1 and 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus li
50. Transaxle P 22D 6 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check the DTC Q Is DTC No P1876 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 264 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1877 Gear Block 2nd A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The engagement of the 2nd gear is determined to be impossible LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Gear synchro engagemen is 3 times blocked Malfunction DTC SET CONDITIONS Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Target gear 2nd gear JUDGMENT CRITERIA e Gear synchro engagement 3 times blocked immediately MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e
51. V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1822 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 With the engine idle status operate the shift lever in the following sequence P gt R gt D R P Hold each range
52. carry out the contents of the precautions and then check the diagnostic trou ble code again Q Is diagnostic trouble code No C161E set YES Go to Step 2 NO This diagnosis is complete STEP 2 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 4 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No C161E set YES Go to Step 4 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 439 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Fluid check Check that the fluid level is adequate Refer to P 22C 483 Q Is the check result normal YES Go to Step 5 NO Add the fluid STEP 5 Scan tool diagnostic trouble code Check if the ACD diagnostic trouble code No C1611 C1612 C1625 or C161D is set Refer to P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 6 STEP 6 Scan tool actuator test OK Operating sound of the electric pump can be heard Q Is the check result normal YES Go to Step 14 NO Go to Step 7 STEP 7 Electric pump relay check Check the electric pump relay Refer to P 22C 519 Q Is the check result normal YES Go to Step 8 NO Replace the electric pump relay Refe
53. during removal and installation of the transaxle assembly MB992311 Oil seal guide Installation of transaxle case LH oil seal MB992310 Oil seal installer Installation of transaxle case LH oil seal TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 7 DIAGNOSIS lt TC SST gt Tool number and name Supersession Application Oil seal guide MB992313 Installation of transaxle case RH oil seal MB992312 Oil seal installer Installation of transaxle case RH oil seal MB992314 V ring guide Installation of V ring DIAGNOSIS lt TC SST gt INTRODUCTION The TC SST system can exhibit any of the following symptoms noise or vibration is generated or fluid leaks TROUBLESHOOTING STRATEGY Use these steps to plan your diagnostic strategy If you follow them carefully you will find most TC SST malfunctions 1 Gather as much information as possible about the complaint from the customer 2 Verify that the condition described by the customer exists 3 Check the vehicle for any TC SST Diagnostic Trouble Codes DTCs 4 If you cannot verify the condition and there are no DTCs the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunction P 00 13 M1225024900055 The cause
54. ensure that The CAN bus line is defective the CAN bus lines are normal e Malfunction of AWC ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the AWC diagnostic trouble code Refer to GROUP 22C Troubleshooting P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 331 DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No U0136 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC U0141 ETACS Time out Error A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The periodic communication data from the an incorrect diagnostic trouble code
55. go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P0702 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 25 DIAGNOSIS lt TC SST gt DTC P0712 TC SST ECU temperature sensor system Output low range out A CAUTION MONITOR EXECUTION e If there is any problem in the CAN bus lines e Continuous an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN MONITOR EXECUTION CONDITIONS bus lines OTHER MONITOR AND SENSOR e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION in memory for the item monitored below TC SST ECU checks that the output of the ECU tem Output high range out perature sensor is normal ture sensor system Correlation error DESCRIPTIONS OF MONITOR METHODS Sensor The sensor below is determined to be The output of the ECU temperature is determined to normal be too low e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Yes Vv Fluid temperature lt 39 C 38 2 F Continuous failure for 400 msec Yes Malfunction AC710593AC TSB Revision Other Monitor There is no temporary DTC stored e P0713 TC SST ECU temperature sensor sy
56. lt Rationality plausibility failure gt returns to the normal value and remains in the state for 250 mil JUDGMENT CRITERIA lt Rationality plausibility liseconds failure gt e Input shaft 2 even speed Refer to Logic Flow PROBABLE CAUSES Charts Monitor Sequence lt Rationality plausibil e Malfunction of TC SST ECU ity failure gt 250 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 115 or No 240 is set Q Which monitoring unit is set No 115 or No 240 No 115 Go to Step 4 No 240 Go to Step 3 STEP 3 Check whether the DTC is reset 1 Erase the DTC 2 Drive the vehicle at 50 km h 31 mph or more 3 Check that the DTC is reset Q Is DTC No P2766 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Rev
57. or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 2 EVEN PRESSURE 1 400 HPA OR LESS gt The clutch 2 even pressure remains 1 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D gt N or R N or R gt P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or p All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C
58. 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 353 DIAGNOSIS lt TC SST gt STEP 5 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 15 The engine stops when the lever is shifted from N to D or N to R COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES Engine system mechatronic assembly or clutch sarees i alia bl assembly may have a problem alfunction of the mechatronic assembly e Malfunction of the clutch assembly DIAGNOSTIC PROCEDURE STEP 1 Check the engine system Q Is the check result normal YES Go to Step 2 NO Repair the engine system STEP 2 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Retest the system Q Does a malfunction take place again YE
59. 114 138 Input shaft 1 odd number gear axle speed sensor P 22C 30 system Poor performance 070 Input shaft 1 odd number gear axle speed sensor P 22C 35 system Output low range out 258 Engine speed signal abnormality P 22C 37 107 108 Line pressure solenoid system Drive current range out P 22C 38 039 Shift select solenoid 1 system Open circuit P 22C 41 042 Shift select solenoid 2 system Open circuit P 22C 43 110 111 Clutch cooling flow solenoid system Drive current P 22C 45 range out 112 Clutch cooling flow solenoid system Stuck P 22C 47 117 Clutch 1 pressure sensor system Poor performance P 22C 50 004 Clutch 1 pressure sensor system Output low range out P 22C 52 005 Clutch 1 pressure sensor system Output high range P 22C 54 out 121 Clutch 2 pressure sensor system Poor performance P 22C 56 006 Clutch 2 pressure sensor system Output low range out P 22C 58 007 Clutch 2 pressure sensor system Output high range P 22C 60 out 030 Line pressure solenoid system Open circuit P 22C 62 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Monitoring unit No DIAGNOSIS lt TC SST gt Diagnostic item Judgment drive cycle 22C 17 Reference page 077 Line pressure solenoid system Overcurrent 1 P 22C 64 029 Line pressure solenoid system Short to ground 1 P 22C 66 028 L
60. 13A 50 Q Is the DTC set YES NO Perform the relevant troubleshooting Go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0100 set YES NO DTC U0101 TC SST Time out Error A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal Replace the shift lever assembly Refer to P 22C 488 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 JUDGMENT CRITERIA The periodic communication data from TC SST ECU cannot be received PROBABLE CAUSES e The CAN bus line is defective e Malfunction of TC SST ECU e Malfunction of the shift lever ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 371 DIAGNOSIS lt SHIFT LEVER gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the TC SST diagnostic trouble code Refer to P 22C 16 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset
61. 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 128 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO STEP 2 Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 Check whether the DTC is reset After the test run check that the DTC is reset Q Is DTC No P181F set YES NO Replace the mechatronic assembly Refer to P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Mal
62. 2 system Out put range out e P1828 Shift fork position sensor 2 system Neu tral e P1829 Shift fork position sensor 2 system Poor performance P183D Shift fork 2 malfunction P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd TSB Revision 22C 146 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt P187B Gear block 6th P187C Gear block reverse e P1878 Gear block 3rd Sensor The sensor below is determined to be e P1879 Gear block 4th normal e P187A Gear block 5th e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position gt 3 008 V Yes Continuous failure for 160 msec Yes Malfunction AC710680 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The position sensor voltage remains 3 008 V or less e Voltage of battery 8 V or more Ob ep E e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA aa e Malfunction of TC SST ECU POIL Sensor VONAGE SOUE V prior 160 e Malfunction of shift fork position sensor 2 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Rev
63. 220 msec lt 10 C 14 F 2 220 msec N or Pp All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 1 ODD PRESSURE 1 400 HPA OR MORE TO 3 000 HPA OR LESS gt The calculated pressure remains 2 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D gt N or R N or R gt P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or p All range 220 msec R or D or manual mode xample of the time required i When the shift lever
64. 5 Check whether the DTC is reset Q Is DTC No C121A set YES Return to Step 1 NO This diagnosis is complete DTC C123C G and Yaw Rate Sensor System Faulty Signal A CAUTION If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines Whenever the ECU is replaced ensure that the CAN bus lines are normal When the steering wheel sensor is replaced calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize the steering angle correction amount stored in AWC ECU Item No 1 Steering angle correction amount initializa tion P 22C 476 Do not drop the G and yaw rate sensor or sub ject it to a shock When G and yaw rate sensor is replaced cali brate G and yaw rate sensor refer to GROUP 35C On vehicle Service P 35C 302 OPERATION AWC ECU receives the G and yaw rate sensor data from ASC ECU via the CAN communication DTC SET CONDITIONS This diagnostic trouble code is set when the abnor mality below is detected Abnormality in G and yaw rate sensor output value This diagnostic trouble code is set when AWC ECU determines that an abnormality is present by comparing the measurement values of G and yaw rate sensor with the calculation value of G and yaw rate calculated by the measure ment values of the wheel speed sensor and steering wheel sensor PROBABLE CAUSES
65. 5 Hose clamp 1 Oil cooler duct 6 Oil cooler bracket Hose clip 7 Hose clip 3 Oil cooler hose assembly 8 Oil cooler hose assembly connection TSB Revision 22C 514 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST OIL COOLER INSTALLATION SERVICE POINT gt gt A lt lt TRANSMISSION FLUID REFILLING A CAUTION Refill 6 1 dm 6 4 qt of the transmission fluid NOTE The fluid capacity of the oil cooler assembly and the oil cooler hose assembly is 0 6 dm 0 6 qt A CAUTION e If the oil cooler is repaired fill new fluid and check the transmission fluid level Refer to P 22C 478 e When the oil cooler is not repaired the drained fluid can be reused if it is between the replacement intervals TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 515 OIL FILTER OIL FILTER REMOVAL AND INSTALLATION A CAUTION If a fluid leakage is present in the area around the oil filter bracket clean around the oil filter bracket After cleaning warm up the engine Only if a fluid leakage is present in the area around the oil filter bracket again replace the oil filter bracket assembly M1225028600142 Pre removal and Post installation Operation Engine Room Side Cover lt LH gt Refer to GROUP 51 Under Cover P 51 20 15 2N m 11 1 ft lb AC807228AK Removal steps Removal steps Continued lt lt A gt gt gt gt B lt l
66. 6 mm 0 24 inch hift fork 4 positio 2nd gear side Shift fork 4 position gt 6 mm 0 24 inch Shift fork 4 position neutral position Shift fork 4 position gt 1 8 mm 0 071 inch shift fork 3 position lt 2 5 mm 0 098 inch Continuous failure for 200 msec AC710713 TSB Revision 22C 206 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 3 REQUESTED BUT SHIFT FORK 4 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 3 JUDGMENT CRITERIA e Shift fork position 6 mm 0 24 inch 4th gear side or less or 6 mm 0 24 inch 2nd gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 3 position 2 5 mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 3 REQUESTED BUT SHIFT FORK 4 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 4th gear side or more or with 6 mm 0 24 inch 2nd gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the initialized fork position shift fork 3 position 2 5 mm 0 098 inch or more continues for 200 millise
67. 7 AWC ECU connector ETACS ECU connector intermediate connector check C 51 C 315 C 35 Q Is the check result normal YES Go to Step 8 NO Repair the defective connector Then go to Step 13 STEP 8 Check the wiring harness between C 51 AWC ECU connector terminal No 12 and C 315 ETACS ECU connector terminal No 4 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 9 NO Check C 35 intermediate connector When no problem is found repair the wiring harness Then go to Step 13 STEP 9 Scan tool data list Item No 43 Battery voltage Refer to data list reference table P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 13 STEP 10 AWC ECU connector check C 51 Q Is the check result normal YES Go to Step 11 NO Repair the defective connector Then go to Step 13 STEP 11 Check the wiring harness between C 51 AWC ECU connector terminal No 13 and body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 12 NO Repair the wiring harness Then go to Step 13 TSB Revision 22C 448 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 12 Scan tool data list Item No 43 B
68. ACTIVE CENTER DIFFERENTIAL ACD gt STEP 11 J C 4 intermediate connector stoplight switch connector ETACS ECU connector check C 38 C 39 C 32 C 312 Q Is the check result normal YES Go to Step 12 NO Repair the defective connector Then go to Step 18 STEP 12 Voltage measurement at C 38 J C 4 Disconnect the connector and measure the voltage between terminal No 2 and ground at the wiring harness side OK Battery positive voltage brake pedal depressed Q Is the check result normal YES Go to Step 14 NO Go to Step 13 STEP 13 Check the wiring harness between C 32 stoplight switch connector terminal No 1 and the C 38 J C 4 terminal No 2 Check the output line for open or short circuit Q Is the check result normal YES Go to Step 16 NO Repair the wiring harness Then go to Step 18 STEP 14 Measure the voltage at the C 312 ETACS ECU connector Disconnect the connector and measure the voltage between terminal No 16 and ground at the wiring harness side e OK 1 V or less brake pedal released e OK Battery positive voltage brake pedal depressed Q Is the check result normal YES Go to Step 16 NO Go to Step 15 STEP 15 Check the wiring harness between C 312 ETACS ECU connector terminal No 16 and C 32 stoplight switch connector terminal No 1 Check the output line for open circuit Q Is the check result normal YES Go to Step 16 NO Repair the wiring harness Then go
69. CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 421 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 7 Scan tool data list Item No 87 Pressure sensor output voltage OK 0 20 2 67 V Q Is the check result normal YES Go to Step 8 NO Replace the hydraulic unit Refer to P 22C 521 Then go to Step 8 STEP 8 Check whether the DTC is reset Q Is DTC No C1612 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 9 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 9 Check whether the DTC is reset Q Is DTC No C1612 set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 422 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C1613 AWC Switch System Stuck ON AWC mode select switch system circuit FUSIBLE IGNITION LINK 4 SWITCH IG1 Lu z I ey i a reh 1 c 309 6 c 317 Lebi hjais ETACS ECU y g IG1 RELAY Fi ee 3 OFF ON ci e 7 5A NZ Lul Ore Al a gt 2 R AWC Pa ug PATCH OFF 0N a M He 3 4 5 6p gt ae wma 7 J
70. CONDITIONS Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Target gear 4th gear JUDGMENT CRITERIA e Gear synchro engagement 3 times blocked immediately MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable AC710729 OBD II DRIVE CYCLE PATTERN The 4th gear is engaged PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 269 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 4th gear 3 Check that the DTC is reset Q Is DTC No P1879 set YES
71. DTC No U1425 set YES Return to Step 1 NO This diagnosis is complete DTC U1427 Wheel Speed Sensor Data Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when abnormality is detected in the an incorrect diagnostic trouble code may be Signal received from the wheel speed sensor set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that Been E ane i the CAN bus lines are normal g ee abs tae pee o Ive OPERATION e Malfunction of wheel speed sensor AWC ECU communicates with the ASC ECU via the e Malfunction of AWC ECU CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 465 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Scan tool data list Check the data list below Refer to P 22C 473 e Item No 22 Wheel speed sensor lt FL gt e Item No 23 Wheel speed sensor lt FR gt e Item No 24 Wheel speed sensor lt RL gt e I
72. DTC No P183D set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1844 Shift Fork 3 Malfunction A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 3 is normal DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 3 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1836 Shift fork 1 malfunction e P184B Shift fork 4 malfunction Sensor The sensor below is determined to be normal e Not applicable TSB Revision 22C 202 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check blocked gt START Malfunction DTC SET CONDITIONS lt FUNCTIONAL CHECK BLOCKED gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more Common high side 1 voltage 7 V or more e Common high side 2 voltage 7 V or more
73. DTC P0974 Shift Select Solenoid 1 System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift select solenoid 1 circuit is determined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 87 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Nee FET output gt Battery voltage 2 V Yes Continuous failure for 160 msec Yes Malfunction AC710624 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN ve The FET channel output remains Battery voltage 2 wees Conanens V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Shift select solenoid 1 OFF PROBABLE CAUSES JUDGMENT CRITERIA Malfunction of shift select solenoid 1 e FET Field Effect
74. Driving at a constant speed in 4th Driving at a constant speed in 5th Driving at a constant speed in 6th Reverse Parking brake Parking brake Ignition switch ON Parking brake lever Pulled Parking brake lever Released TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Display on scan tool Item name Check conditions 22C 357 Normal conditions Vehicle speed ABS ASC operation flag Vehicle speed ABS ASC operation flag Steady state driving ABS operated Nearly the same as the speedometer displayed ON ABS not operated OFF ABS ASC status ABS ASC status Ignition switch ON Error Diag mode Normal mode ASC error Emission test Paddle SW up Paddle shift switch up Ignition switch ON Paddle shift position Upshift and hold ON Paddle shift position Other than the above OFF Paddle SW down Paddle shift switch down Ignition switch ON Paddle shift position Downshift and hold ON Paddle shift position Other than the above Drive mode SW input Twin clutch SST control mode switch Ignition switch ON Switch position Up to frontward of vehicle operation then hold Switch position Down to backward of vehicle operation then hold Switch position Other than above Default ASC g
75. ETACS ECU P 54A 769 Then go to Step 5 STEP 4 Check whether the DTC is reset Q Is DTC No U1415 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 462 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 5 Check whether the DTC is reset Q Is DTC No U1415 set YES Return to Step 1 NO This diagnosis is complete DTC U1417 Coding Data Malfunction A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU receives the vehicle information stored in an incorrect diagnostic trouble code may be ETACS ECU via CAN bus lines set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS e Whenever the ECU is replaced ensure that The code is set when the vehicle information the communication circuit is normal received from ETACS ECU is not correct e When the diagnostic trouble code No U1417 is set in AWC ECU the diagnostic trouble PROBABLE CAUSES code may also be set in ETACS ECU When the diagnostic trouble code is set in ETACS ECU perform the diagnosis of the diagnostic trouble code for ETACS ECU first e The CAN bus line is defective e Malfunction of the ETACS ECU e Malfunction of AWC ECU e ETACS ECU has been interchanged between two vehicles DIAGNOSIS
76. GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 328 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC U0103 Shift Lever Time out Error DIAGNOSIS lt TC SST gt STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No U0100 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 A CAUTION DESCRIPTIONS OF MONITOR METHODS e If there is any problem in the CAN bus lines The periodic communication data from the shift an incorrect diagnostic trouble code may be lever ECU cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e The CAN bus line is defective the CAN bus lines are normal e Malfunction of the shift lever ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main
77. Improper installation of G and yaw rate sensor Malfunction of G and yaw rate sensor Malfunction of wheel speed sensor Malfunction of steering wheel sensor Malfunction of ASC ECU Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C123C set YES Go to Step 3 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 413 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the check result normal YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool diagnostic trouble code Check if the wheel speed sensor related or steering wheel sensor related diagnostic trouble code is set Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 5 STEP 5 Check of G and yaw rate sensor installation status Check that the G and yaw rate sensor is installed correctly Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 Q Is the check result normal YES Go to Step 6 NO Reinstall the G
78. In must be carried out Refer to P 22C 8 When the transaxle control cable is disconnected check after the installation that the cable is properly connected and that the parking lock mechanism operates normally At this time do not check by simply using the display on the combination meter and shift indicator panel Always check according to the procedure below M1225010200280 e When driving at 5 km h 3 1 mph or less the vehicle stops when the shift lever is moved to the P range e With the P range the vehicle does not move on a slight slope or when pushed by hands Drain the fluid remaining in the oil cooler before installing the transaxle assembly e Do not refill the fluid when replacing the transaxle assembly with a new one NOTE e The new transaxle assembly is filled with 7 6 dm 8 0 qt of the fluid including the oil cooler e The transaxle assembly has a sealed structure and the fluid does not drain out from parts other than the oil cooler hose TSB Revision 22C 498 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSAXLE ASSEMBLY Pre removal Operation e Engine Room Under Cover Front B and Engine Room Side Cover Removal Refer to GROUP 51 Under Cover P 51 20 Engine Upper Cover Removal Refer to GROUP 16 lgni tion Coil P 16 50 e Air Cleaner Assembly and Air Cleaner Bracket Removal Refer to GROUP 15 Air Cleaner P 15 9 Headlight Support Panel Cover Rem
79. JUDGMENT CRITERIA 0 1 Until completion of initial shift fork action 25 e 2 After completion of initial shift fork action 20 4 Maximum allowed time sec a 20 20 32 68 248 Fluid temperature C F 40 4 Yes Yes AC710675 Coefficient i 4 000 8 000 Line pressure hPa 16 000 AC710826 AC e Shift fork operation time Shift fork operation time threshold value or more immediately e Shift fork operation time threshold value Equal the maximum allowed time x Coefficient imme diately OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK BLOCKED gt The shift fork operation time is threshold value or less TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 203 LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 3 requested but shift fork 1 movement gt START Monitoring condition met Shift fork 1 positio ist gear side Shift fork 1 position lt 6 mm 0 24 inch hift fork 1 positio R gear side hift fork 1 position gt 6 mm 0 24 inch Shift fork 1 position neutral position Shift fork 1 position gt 1 8 mm 0 071 inch Initialized fork position shift fork 3 position lt 2 5 mm 0 098 inch Continuous failure for 200 msec AC710712 TSB Revision 22C
80. LOGIC FLOW CHARTS Monitor Sequence eal FET Field Effect Transistor Yes FET output gt Battery voltage 2V Yes Continuous failure for 160 msec Yes Malfunction AC710659 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains the battery voltage e Voltage of battery 8 V or more 2 V or less for 160 milliseconds e Voltage of battery 16 5 V or less e Clutch shift pressure solenoid 1 OFF PROBABLE CAUSES JUDGMENT CRITERIA e Malfunction of TC SST ECU FET Field Effect Transistor output Battery volt e Malfunction of clutch shift pressure solenoid 1 age 2 V or more 160 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 290 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2721 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 0
81. NO Replace the AWC ECU Refer to P 22C 518 DTC C1011 lt FL gt C101C lt FR gt C1027 lt RL gt C1032 lt RR gt Wheel Speed Sensor System Faulty Signal A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines When an irregular change in the wheel speed sensor an incorrect diagnostic trouble code may be _ ig detected the diagnostic trouble code of the rele set Prior to this diagnosis diagnose the CAN ant wheel speed sensor is set bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES the CAN bus lines are normal e Malfunction of wheel speed sensor OPERATION e Damaged harness wires and connectors AWC ECU receives the wheel speed data from e Malfunction of encoder for wheel speed detection ASC ECU via the CAN communication e Malfunction of ASC ECU e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 406 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 2 Check whether the DTC is reset Q Is the relevant wheel speed sensor diagnostic trouble code No C1011 lt FL gt C101C lt FR gt C1027 lt RL gt or C1032 lt
82. NO This diagnosis is complete DTC C2205 Steering Wheel Sensor System Internal Error A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU receives the self diagnosis status of an incorrect diagnostic trouble code may be steering wheel sensor set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS Whenever the ECU is replaced ensure that The code is set when abnormality is detected by the the CAN bus lines are normal self diagnosis of the steering wheel sensor e When the steering wheel sensor is replaced calibrate the steering wheel sensor Refer to PROBABLE CAUSES GROUP 35C On vehicle Service P 35C 304 and initialize the steering angle correction amount stored in AWC ECU Item No 1 Steering angle correction amount initializa tion P 22C 476 e Malfunction of steering wheel sensor e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 452 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 2 Check whether the DTC is reset Q Is DTC No C2205 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan
83. Not applicable Sensor The sensor below is determined to be normal e Not applicable AC710729 OBD II DRIVE CYCLE PATTERN The 2nd gear is engaged PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 265 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 2nd gear 3 Check that the DTC is reset Q Is DTC No P1877 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C
84. Open circuit e P2738 Clutch shift switching solenoid 1 system normal l Short to ground e Shift select solenoid 1 e P2739 Clutch shift switching solenoid 1 system e Clutch shift switching solenoid 1 Short to power supply LOGIC FLOW CHARTS Monitor Sequence START ee Sensor voltage lt threshold value Yes Continuous failure for 160 msec Yes Malfunction AC710620 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The voltage of the clutch 1 pressure sensor remains Voltage of battery 8 V or more 1 16 V or more for 160 milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Sensor voltage 1 16 V or less 160 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch 1 pressure sensor TSB Revision 22C 54 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 15 seconds after
85. Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P181E Clutch 2 Pressure low range out e P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 323 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output gt Battery voltage 2 V Yes Continuous failure for 160 msec Yes Malfunction AC710667 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN i The FET channel output remains Battery voltage 2 heek CondMons V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Clutch shift switching solenoid 2 OFF PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA rae e FET Field Effect Transistor output Battery volt Malfunction of clutch shift switching solenoid 2 age 2 V or more 160 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus line
86. P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 173 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position lt 0 128 V Yes Continuous failure for 160 msec Yes Malfunction AC710676 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The position sensor voltage remains 0 128 V or more Check Conditions for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA AF e Malfunction of TC SST ECU a TONERS eee Ob Reese iil e Malfunction of shift fork position sensor 4 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Trou
87. Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the mechatronic assembly Refer to P 22C 505 No Replace the transaxle assembly Refer to P 22C 497 DTC P0717 Input shaft 1 odd number gear axle speed sensor system Output current low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the input shaft 1 odd num ber gear axle speed sensor is normal DESCRIPTIONS OF MONITOR METHODS The output of the input shaft 1 odd number gear axle speed sensor is determined to be too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0715 Input shaft 1 odd number gear axle speed sensor system Output high range out e P0716 Input shaft 1 odd number gear axle speed sensor system Poor performance e P2766 Input shaft 2 even number gear axle speed sensor system Poor perfo
88. Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1617 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check if the AWC related DTC No U0100 U0101 U0121 U0126 or U0141 is set Refer to P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool diagnostic trouble code e Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 e Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 e Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 5 STEP 5 Check whether the DTC is reset Q Is DTC No C1617 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 6 Check whether the DTC is reset Q Is DTC No C1617 set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 432 TWIN CLUTCH SPORTR ONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C161C ACD P
89. SERVICE POINTS lt lt A gt gt MECHATRONIC ASSEMBLY REMOVAL 1 Remove the connector carefully AK900284 A CAUTION When removing bolt use magnetic tools to prevent them from falling out 2 Remove the three bolts 3 Pull carefully at the connector to loose by approx 2 3 mm 0 08 0 1 inch 4 Remove the bolts in the order shown and remove the mechatronic assembly carefully _____ _ AK900257AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 507 MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER lt lt B gt gt PLUG BOLT MANUAL CONTROL SHAFT REMOVAL 1 Move the lever from D in clock direction to the service position as shown 2 Remove the plug A CAUTION When removing bolt use magnetic tools to prevent them from falling out 3 When removing the bolt located behind the plug pay attention to the bolt not to fall in the transaxle case 4 Remove the manual control shaft carefully INSTALLAT
90. SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The supply voltage remains 3 07 V or more for 140 e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Supply voltage 3 07 V or less 140 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 3 and 4 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 104 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES NO Go to Step 3 Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P1806 set YES NO Replace the mechatronic assembly Refer to P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent M
91. SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Connectors C 39 C 51_ Connector F 29 AC807552 BI AC807572 AU ne tf t D 41 GR Ai aa AC807570AW A CAUTION l l DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the electric pump relay coil an incorrect diagnostic trouble code may be side circuit is open or shorted set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES the CAN bus lines are normal Electric pump relay manele e Damaged harness wires and connectors OPERATION e Malfunction of AWC ECU AWC ECU operates the electric pump via the electric pump relay DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C161D set YES Go to Step 3 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 437 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Scan tool actuator test OK Operating sound of the electric pump can be heard Q Is the check result normal YES Go to Step 9 NO Go to Step 4
92. SST 22C 237 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met Yes No FET can t switched off Yes Continuous failure No for 12 sec Yes AC710727 OBD II DRIVE CYCLE PATTERN DTC SET CONDITIONS Check Conditions The FET switch remains OFF for 12 seconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES e High side 2 switch OFF e Malfunction of TC SST ECU JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched off 12 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 238 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1868 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction
93. SST gt Coefficient 4 000 8 000 Line pressure hPa 16 000 AC710826 AC e Shift fork operation time Shift fork operation time threshold value or more immediately e Shift fork operation time threshold value Equal the maximum allowed time x Coefficient imme diately OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK BLOCKED gt The shift fork operation time is threshold value or less LOGIC FLOW CHARTS Monitor Sequence lt Functional check Neutral gt START No Monitoring condition met Shift fork position No gt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction DTC SET CONDITIONS lt FUNCTIONAL CHECK NEUTRAL gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Shift fork 1 current gear Neutral AC710686 JUDGMENT CRITERIA e Shift fork position 1 8 mm 0 071 inch or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK NEUTRAL gt The shift fork position remains 1 8 mm 0 071 inch or less for 250 millisecond TSB Revision 22C 188 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 1 requested but shift fork 3 movement gt START Monitoring condition met
94. Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0100 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 454 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U0100 set YES Return to Step 1 NO This diagnosis is complete DTC U0101 TC SST Time out Error A CAUTION DTC SET CONDITIONS e If there is any problem in the CAN bus lines The code is set when the signal sent from an incorrect diagnostic trouble code may be TC SST ECU cannot be received for a certain set Prior to this diagnosis diagnose the CAN period bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES meneame fled anemone e The CAN bus line is defective OPERATION e Malfunction of TC SST ECU AWC ECU communicates with TC SST ECU via the e ETACS coding data error CAN bus lines e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the TC SST diagnostic trouble code Refer to P 22C 16 Q Is the DTC
95. System Power supply voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the supply voltage to the shift fork position sensor 1 and 2 is normal DESCRIPTIONS OF MONITOR METHODS The supply voltage to the shift fork position sensor 1 and 2 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1820 Shift fork position sensor 1 system Volt age low range out e P1821 Shift fork position sensor 1 system Volt age high range out e P1822 Shift fork position sensor 1 system Out put range out e P1824 Shift fork position sensor 1 system Poor performance e P1825 Shift fork position sensor 2 system Volt age low range out e P1826 Shift fork position sensor 2 system Volt age high range out e P1827 Shift fork position sensor 2 system Out put range out e P1829 Shift fork position sensor 2 system Poor performance P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction P1844 Shift fork 3 malfunction P184B Shift fork 4 malfunction P1852 Shift fork 1 or 2 opposite direction move ment e P1855
96. Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P182B set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 163 DIAGNOSIS lt TC SST gt DTC P182C Shift Fork Position Sensor 3 System Output range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the shift fork position sensor 3 is normal DESCRIPTIONS OF MONITOR METHODS The output of the shift fork position sensor 3 is deter mined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHE
97. Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 38 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P0725 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0746 Line Pressure Solenoid System Drive current range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the line pressure solenoid is normal DESCRIPTIONS OF MONITOR METHODS The difference between the actual current of the line pressure solenoid and target current is large MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored belo
98. USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool data list Shift lever item No 1 Lever position Refer to P 22C 356 1 Confirm that Manual is displayed when the shift lever position is in the manual mode 2 Confirm that is displayed when the shift lever position is upshifted and held and is displayed when the shift lever position is downshifted and held Q Is the check result normal YES Go to Step 3 NO Replace the shift lever assembly Refer to P 22C 488 STEP 3 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision S TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 346 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 7 The vehicle moves with the P range COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES The transaxle control cable shift lever assembly or e Malfunction of the transaxle control cable e Malfunction of the shift lever assembly lem A ia aye ee e Malfunction of the transaxle assembly DIAGNOSTIC PROCEDUR
99. and yaw rate sensor correctly Then go to Step 6 STEP 6 Scan tool data list Check the following data list Refer to P 22C 473 e Item No 26 Yaw rate sensor e Item No 29 Lateral G sensor Q Is the check result normal YES Go to Step 7 NO Replace the G and yaw rate sensor Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 Then go to Step 11 STEP 7 Check of steering wheel sensor installation status Check that the steering wheel sensor is installed correctly Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Q Is the check result normal YES Go to Step 8 NO Install the steering wheel sensor correctly Then go to Step 8 TSB Revision 22C 414 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 8 Wheel alignment check Q Is the check result normal YES NO After checking the wheel alignment calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize AWC ECU steering angle correction amount Refer to P 22C 476 Then go to Step 9 After adjusting the wheel alignment calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize AWC ECU steering angle correction amount Refer to P 22C 476 Then go to Step 9 STEP 9 Scan tool data list Item 11 Steering wheel sensor Refer to P 22C 473 Q Is the check result normal YES NO
100. are repaired fill new fluid and check the transmission fluid level Refer to P 22C 478 e If the oil pan assembly and the internal components are not repaired the drained fluid can be reused if it is between the replacement intervals TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 505 MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER REMOVAL AND INSTALLATION M1225029600026 A CAUTION When the mechatronic assembly is replaced reprogram the ECU and carry out the following Teach In Refer to P 22C 8 Pre removal and Post installation Operation Oil Pan Removal and Installation Refer to P 22C 503 F Se vod v VV 9 vy A 6 0 1 0 N m 5328in lb yo 5 S S N 4 va 5 0 1 0N m 10 1 5N m 5 44 8in lb 89 8 in lb ey nY 2 k 10 1 5 N m R 8 89 8 in Ib Q 5 32 2 N m 3M T 341 ftlb 4N 1 AC900881AB Removal steps Removal steps Continued lt lt A gt gt gt gt B lt lt 1 Mechatronic assembly 6 Breather nipple gt gt B lt lt 2 GasketA lt lt B gt gt gt gt A lt lt 7 Plug 3 Gasket B lt lt B gt gt gt gt A lt lt 8 Bolt gt gt B lt lt 4 GasketC lt lt B gt gt 9 Manual control shaft 5 Pin 10 Oil seal TSB Revision 22C 506 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER REMOVAL
101. are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 4 is normal P 22C 497 This diagnosis is complete DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 4 is determined to be abnormal PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork e Malfunction of valve body DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 2nd gear and 4th gear 3 Check that the DTC is reset Q Is DTC No P1888 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 281 DIAGNOSIS lt TC SST gt STEP 3 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive with shifted in the 2nd gear and 4th gear 3 C
102. bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The engagement of the 6th gear is determined to be impossible LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Gear synchro engagemen is 3 times blocked Malfunction DTC SET CONDITIONS Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Target gear 6th gear JUDGMENT CRITERIA e Gear synchro engagement 3 times blocked immediately MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable AC710729 OBD II DRIVE CYCLE PATTERN The 6th gear is engaged PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 273 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN
103. bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P2742 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2743 Fluid Temperature Sensor System Output high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the fluid tem perature sensor is normal DESCRIPTIONS OF MONITOR METHODS The output is determined to be too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2742 Fluid temperature sensor system Output low range out e P1808 TC SST ECU temperature fluid tempera ture sensor system Correlation error Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 309 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS
104. check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 106 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 3 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P1807 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1808 TC SST ECU temperature fluid temperature sensor system Correlation error A CAUTION DESCRIPTIONS OF MONITOR METHODS e If there is any problem in the CAN bus lines The difference of the output between the ECU tem an incorrect diagnostic trouble code may be perature sensor and fluid temperature sensor is set Prior to this diagnosis diagnose the CAN _ large bus lines e Whenever the ECU is replaced ensure that MONITOR EXECUTION CONDITIONS the CAN bus lines are normal OTHER MONITOR AND SENSOR DIAGNOSTIC FUNCTION Other Monitor There is no temporary DTC stored TC SST ECU checks that the temperature sensor in memory for the item monitored below and the
105. check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 7 STEP 7 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 4th gear 3 Check the DTC Q Is DTC No P184B set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 216 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1852 Shift Fork 1 or 2 opposite direction movement A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork is normal DESCRIPTIONS OF MONITOR METHODS The movements of the shift fork 1 and 2 are deter mined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction P184
106. circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 77 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output gt Battery voltage 2 V Yes Continuous failure for 5 sec Yes Malfunction AC710638 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains Battery voltage 2 V or less for 5 seconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Clutch cooling flow solenoid OFF PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA 7 l l FET Field Effect Transistor output Battery volt Maltunotion or Glutei COIng Now solenoid age 2 V or more 5 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line
107. cooling switching solenoid circuit is deter mined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 83 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Channel output No gt Battery voltage 2 V Yes Continuous failure for 220 msec Yes Malfunction AC710655 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN ve The FET channel output remains Battery voltage 2 alisha ns V or less for 220 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Shift cooling switching solenoid OFF PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA 7 l P l e FET Field Effect Transistor output Battery volt Maltnotion 9f shiikepoling Switching Solenaig age 2 V or more 220 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CA
108. current gear 2nd gear gt START Shift fork position gt 6 mm 0 24 inch Malfunction DTC SET CONDITIONS lt SHIFT FORK 4 CURRENT GEAR 2ND GEAR gt Check Conditions e Voltage of battery 8 volts or more e Voltage of battery 16 5 volts or less e Engine speed 650 r min or more e Time since above engine condition 1 5 second or more e Input shaft 2 even speed 500 r min or more e Shift fork 4 current gear 2nd gear e Clutch 2 even transmit torque 40 N m 30 ft lb or more e Requested shift fork not shift fork 4 Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710683 JUDGMENT CRITERIA e Shift fork 4 position 6 mm 0 24 in or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 2 CURRENT GEAR 3RD GEAR gt The travel distance of the shift fork 4 remains 6 mm 0 24 inch or less for 250 milliseconds PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 4 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 185 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result no
109. e Voltage of battery 16 5 V or less e Input shaft odd gear engaged TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 313 DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN lt RATIONALITY gt Each value of failure condition 1 or failure condition 2 Logic Flow Charts Monitor Sequence lt Rational ity gt returns to the normal value and remains in the state for 500 milliseconds LOGIC FLOW CHARTS Monitor Sequence lt Rationality plausibility failure gt START a 7 No Monitoring condition met Engine speed signal status not SNA Input shaft speed gt min max engine speed input shaft target speed current gear input shaft target speed target gear 3 000 r min 12 800 r min Input shaft speed gt 12 800 r min Continuous failure for 250 msec Yes AC710601 1 In case of input shaft 1 odd speed sensor monitor this is speed of input shaft odd In case of input shaft 2 even speed sensor monitor this is speed of input shaft even TSB Revision 22C 314 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN Check Conditions lt Rationality plausibility fail lt RATIONALITY PLAUSIBILITY FAILURE gt ure gt e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less The value of the Logic Flow Charts Monitor Sequence
110. engagement of the 5th gear is determined to be impossible LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Gear synchro engagemen is 3 times blocked Malfunction DTC SET CONDITIONS Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Target gear 5th gear JUDGMENT CRITERIA e Gear synchro engagement 3 times blocked immediately MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable AC710729 OBD II DRIVE CYCLE PATTERN The 5th gear is engaged PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 271 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After re
111. go to Step 2 TSB Revision 22C 78 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P0967 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0968 Shift Cooling Switching Solenoid System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift cooling switching solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift cooling switching solenoid circuit is deter mined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 79 DIAGN
112. harness STEP 12 Retest the system Q Does a malfunction take place again YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt DATA LIST REFERENCE TABLE 22C 387 Display on scan tool Check conditions M1225006700185 Normal conditions Lever position Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position Manual mode Shift lever position Upshift and hold Shift lever position Downshift and hold Battery voltage CAN data Ignition switch Battery voltage 12 Vv Back light voltage Shift lock voltage Battery voltage Ignition switch Ignition switch Ignition switch Shift lever position R Shift lever position Other than above e Shift lever position P e Brake pedal Depressed Shift lever position Other than above 20 120 digits 10 digits or less 500 digits or more 100 digits or less 520 920 digits Shift indicator voltage D range Ignition switch Shift lever position D 10 370 digits Shift lever position Other than above 10 digits
113. lt lt B gt gt TRANSAXLE ASSEMBLY CONNECTOR REMOVAL Rotate the section A of the connector 90 to the direction of the arrow to disconnect the connector lt lt C gt gt STARTER MOUNTING BOLT REMOVAL Remove the starter with its connector connected Keep the starter fixed to the engine side TSB Revision 22C 500 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST a a J N MB992201 Ss OSS None o ZT eT aX oN MB991932 AC706008AE TRANSAXLE ASSEMBLY lt lt D gt gt TRANSAXLE ASSEMBLY UPPER PART COUPLING BOLT REMOVAL Only loosen the bolts from the engine and transaxle assembly do not remove lt lt E gt gt TRANSAXLE MOUNTING BRACKET REMOVAL 1 Place a garage jack against the transaxle case with a piece of wood in between to support the engine and transaxle assembly 2 Operate the garage jack so that the engine and transaxle assembly weight is not applied to the transaxle mounting insulator and remove the transaxle mounting bracket lt lt F gt gt ENGINE ASSEMBLY SUPPORTING 1 Remove the vacuum pipe assembly refer to GROUP 14 Water Hose and Water Pipe P 14 41 and install the engine hanger plate Special tool MB992201 then tighten the bolts to the specified torque Tightening torque 11 1N m 97 9 in Ib 2 lt When engine hanger special tool MB991928 is used gt 1 Assemble the engine hanger sp
114. lt TC SST gt SPECIAL FUNCTION TEACH IN REFERENCE TABLE A CAUTION Be careful with the following items when performing Item No 3 Line Pressure Test M1225028400052 e The engine speed could be high 4 000 r min when the Line Pressure Test is in progress Depend ing on the transaxle state the engine speed may not be high After Teach In completion check that it completed normally Teach In execution results is dis played in the following Data list TEACH IN Scan tool Item Name Plausibility check Shift fork Teach In Line pressure Test Stroke Teach In Boost Teach In Interlock Teach In Clutch Ventilation Reset clutch gain NOTE e According to the transmission fluid state fluid filled state Teach In executed time is not equal e Item No 8 is not displayed when the Diag Version of TC SST ECU is pre 0002 Diag Version can be checked by the Teach In screen of scan tool TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DATA LIST Data List Item Name 22C 363 DIAGNOSIS lt TC SST gt Teach In state or result Scan tool display Teach In executing Before execution No Other than the execution conditions Pending After execution Yes No Normal End Abnormal End At the normal end Yes At the abnormal end At the normal end No At the abnormal end Timeout error When a timeout
115. monitoring unit No is displayed in case of an error TEACH IN PROCEDURE NOTE e According to the transmission fluid state fluid filled state Teach In executed time is not equal e Item No 8 is not displayed when the Diag Version of TC SST ECU is pre 0002 Diag Version can be checked by the Teach In screen of scan tool TSB Revision 22C 10 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt lt MECHATRONIC ASSEMBLY REPLACEMENT gt Contents With the scan tool connected and the vehicle set to the condition below execute the Teach In e Engine Idling e Shift lever position P range e Brake pedal Depressed e Parking brake Pulled e Transmission fluid temperature 40 C to 80 C 104 F to 176 F Select Special Function of TC SST Select Teach In of Special Function According to 2 2 Item execution order select the Item No 7 Clutch Ventilation to execute NOTE Before execution No is displayed in the Data list No 100 Teach In executing After execution check that Yes is displayed in the Data list No 100 Teach In executing NOTE In a case other than the execution conditions Pending is displayed in the Data list No 100 Teach In executing After the Teach In Item No 7 Clutch Ventilation completion check that No is displayed in the Data list No 100 Teach In executing and execution results are displayed in the Data list No 101 to No 104 e No 101 Normal En
116. of battery 16 5 V or less OPPOSITE DIRECTION LEFT SIDE gt Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift fork 3 and 4 current gear Neutral e Shift fork 3 and 4 target direction 0 mm 0 inch PROBABLE CAUSES or more e Malfunction of TC SST ECU e Malfunction of valve body DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A The shift fork 3 and 4 positions remain 1 8 mm 0 071 inch or more for 250 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 221 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 4th gear check that the DTC is reset Q Is the DTC No P1855 set YES Replace the mechatronic assembly Refer to NO DTC P1857 Odd number gear axle interlock A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever
117. of the input shaft 1 odd number gear axle is determined to be too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0716 Input shaft 1 odd number gear axle speed sensor system Poor performance e P0717 Input shaft 1 odd number gear axle speed sensor system Output low range out e P2766 Input shaft 2 even number gear axle speed sensor system Poor performance Sensor The sensor below is determined to be normal e Input shaft 2 even number gear axle speed sen sor TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 29 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor current lt 4 mA No Sensor current gt 17 mA Yes Continuous failure for 500 msec Malfunction AC710596 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The sensor current remains 17 mA or less for 500 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Time after engine start 1 5 seconds or more PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA e Sensor current 17 mA or more 500 millisecond MAUNGO Of IMPAL SRAI T Apd Sennot DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communicatio
118. of the shift indicator light CAN bus lines are normal e Damaged harness wires and connectors COMMENTS ON TROUBLE SYMPTOM e Malfunction of the shift lever ECU The shift indicator light or shift lever ECU may have a problem TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 375 DIAGNOSIS lt SHIFT LEVER gt DIAGNOSTIC PROCEDURE STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool data list Item No 1 Shift lever position Refer to data list reference table P 22C 387 Q Is the check result normal YES Go to Step 3 NO Replace the shift lever assembly Refer to P 22C 488 STEP 3 Scan tool actuator test Item No 1 Shift indicator Refer to Special Function Actuator Test Reference Table P 22C 389 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Go to Step 4 STEP 4 Inspection of the floor console panel assembly connector C 49 1 Check for the contact with terminals Q Is the check result normal YES Replace the floor console panel assembly Refer to GROUP 52A Floor Console Assembly P 52A 9 NO Repair the defective connector TSB Revision
119. plug hole Check that the oil is not excessively foul and has moderate viscosity If the oil level is not in between the upper limit and the lower limit refill the specified oil to the bottom of the oil filler plug hole Brand name DiaQueen LSD gear oil 0 6 inch ACTODIZ0AY 6 Install the filler plug and new gasket then tighten them to the specified torque Tightening torque 32 2 N m 24 1 ft lb 7 Install the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 TRANSFER OIL CHANGE M1221001200428 1 Remove the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST ON V N TPS 1 rz JZ 7 E 2 Oil filler plug J Engine oil pan es 3 4 5 Filler plug hole Gasket 6 ay a Filler plug Transfer oil AC700330 AG 22C 481 EHICLE SERVICE Remove the drain plug and gasket to drain the oil Install the drain plug and new gasket then tighten them to the specified torque Tightening torque 32 2 N m 24 1 ft lb Remove the filler plug and gasket then fill the oil up to the lower edge of the filler plug hole Brand name DiaQueen LSD gear oil Quantity 0 8 dm 0 85 quarts Install the filler plug and new gasket then tighten them to the specified torque Tightening torque 32 2 N m 24 1 ft lb Install the engi
120. relay Jumper wire Continuity between terminals No 2 and No 4 Connect Yes 2 Qor less Disconnect No AC707868 AC AWC SWITCH CHECK 3 If defective replace the electric pump relay M1221021800080 Check the continuity between the AWC switch connector terminals AWC selection AWC selection Continuity switch switch terminal No 1 2 ON Yes 2 Qor less OFF No 3 4 z Present AC707872AC 1 When other than above replace the AWC switch TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST _ HYDRAULIC UNIT 22C 521 HYDRAULIC UNIT REMOVAL AND INSTALLATION M1225011000126 A CAUTION e When inserting the reservoir hose assembly do not lubricate e Perform with care that the foreign objects do not intrude into the hydraulic unit and hose joint Pre removal operation Post installation operation e Rear wheelhouse splash shield removal Refer to e Bleeding Refer to On vehicle Service ACD Bleeding GROUP 42A Splash Shield P 42A 13 P 22C 484 e Quarter trim RH removal Refer to GROUP 52A Interior Quarter trim RH installation Refer to GROUP 52A Inte Trim P 52A 11 rior Trim P 52A 11 e Rear wheelhouse splash shield installation Refer to GROUP 42A Splash Shield P 42A 13 13 5
121. reused if it is between the replacement intervals TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 517 PADDLE SHIFT ASSEMBLY PADDLE SHIFT ASSEMBLY REMOVAL AND INSTALLATION M1225010600095 Pre removal Operation Post installation Operation e Steering wheel assembly and driver s air bag module Steering column lower cover and steering column upper removal Refer to GROUP 37 Steering Wheel P 37 32 cover installation Refer to GROUP 37 Steering Shaft e Steering column lower cover and steering column upper P 37 36 cover removal Refer to GROUP 37 Steering Shaft Steering wheel assembly and driver s air bag module P 37 36 installation Refer to GROUP 37 Steering Wheel P 37 32 e Steering wheel at straight ahead position check 7 0 3 0 N m 62 27 in lb AC710518 AC Removal steps 1 Paddle shift switch connector connection 2 Paddle shift assembly INSPECTION PADDLE SHIFT SWITCH CHECK M1225011300097 1 Check the continuity between the paddle shift switch connector terminals Standard value Paddle shift lever Terminal Resistance number value Upshift and hold the 1 2 Continuity lever exists 2 Q or less neue Downshift and hold 2 3 the lever No operation No continuity between the terminals 2 In the cases other than the above replace the paddle shift assembly TSB Revision
122. scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0847 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0848 Clutch 2 Pressure Sensor System Output high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 2 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The output of the clutch 2 pressure sensor is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to g
123. sensor 4 Driving at a constant speed in 4th 9 mm 1 mm Driving at a constant speed in 2nd 9 mm 1 mm Clutch shift pressure solenoid 1 Clutch shift pressure solenoid 1 system Ignition switch ON The drive current of the clutch shift pressure solenoid 1 is displayed Clutch shift pressure solenoid 2 Clutch shift pressure solenoid 2 system Ignition switch ON The drive current of the clutch shift pressure solenoid 2 is displayed Clutch cooling solenoid Clutch cooling flow solenoid Ignition switch ON The drive current of the clutch cooling flow solenoid is displayed Line pressure solenoid Line pressure solenoid Ignition switch ON The drive current of the line pressure solenoid is displayed Input shaft odd speed Input shaft 1 odd speed Driving at a constant speed in odd gear Nearly the same as the tachometer displayed Input shaft even speed Input shaft 2 even speed Driving at a constant speed in even gear Nearly the same as the tachometer displayed Damper speed sensor Damper speed sensor Engine Idling Nearly the same as the tachometer displayed ECU temperature internal data TC SST ECU temperature internal data Ignition switch ON TSB Revision The ECU temperature is displayed a TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 362 DIAGNOSIS
124. set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 ETACS ECU coding data check Check the transaxle coding data stored in ETACS ECU for any abnormality Refer to GROUP 00 Coding Reference Table P 00 28 Q Is the check result normal YES Go to Step 4 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 5 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 455 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U0101 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No U0101 set YES Return to Step 1 NO This diagnosis is complete DTC U0121 ASC Time out Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the signal sent from the an incorrect diagnostic trouble code may be ASC ECU cannot be received for a certain period set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that a I e i the CAN bus lines are norma 3 Malfunction of ASC ECU OPERATION e Malfunction of AWC ECU AWC ECU communicates with the ASC ECU via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostic
125. shaft speed gt min max engine speed input shaft target speed current gear input shaft target speed target gear 3 000 r min 12 800 r min Input shaft speed gt 12 800 r min Continuous failure for 250 msec Yes AC710601 1 In case of input shaft 1 odd speed sensor monitor this is speed of input shaft odd In case of input shaft 2 even speed sensor monitor this is speed of input shaft even TSB Revision 22C 34 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Check Conditions lt Rationality plausibility fail OBD II DRIVE CYCLE PATTERN ure gt lt RATIONALITY PLAUSIBILITY FAILURE gt ian a a a The value of the Logic Flow Charts Monitor QtagS OT SAUSIY 70 9 V on ae Sequence lt Rationality plausibility failure gt returns to JUDGMENT CRITERIA lt Rationality plausibility the normal value and remains in the state for 250 mil failure gt liseconds e Input shaft 1 odd speed Refer to Logic Flow Charts Monitor Sequence lt Rationality plausibil PROBABLE CAUSES ity failure gt 250 millisecond e Malfunction of TC SST ECU e Malfunction of input shaft 1 speed sensor DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool M
126. the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal PROBABLE CAUSES e AWC pressure sensor malfunction e Damaged harness wires and connectors e Malfunction of AWC ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 443 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1625 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Voltage measurement at F 27 AWC pressure sensor connector 1 Disconnect the connector and measure the voltage between the terminal No 1 and the body ground at the wiring harness side 2 Turn the ignition switch to the ON position OK Approx 5 V Q Is the check result normal YES Go to Step 6 NO Goto Step 4 STEP 4 AWC ECU connector intermediate connector AWC pressure sensor connector check C 51 D 11 F 27 Q Is the check result normal YES Go to Step 5 NO Repair the defective connector Then go to Step 8 STEP 5 Check the wiring harness between C 51 AWC ECU connector terminal No 6 and F 27 AWC pressure sensor connector terminal No 1 Chec
127. the DTC is reset After driving in the 3rd gear check that the DTC is reset Q Is DTC No P1828 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool diagnostic trouble code for other systems Check if a shift fork and shift fork position sensor related diag nostic trouble code No other than P1828 is stored Q Is the DTC set YES Go to Step 5 NO Go to Step 4 STEP 4 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 5 STEP 5 Replace the mechatronic assembly and check if the DTC is reset After driving in the 3rd gear check that the DTC is reset Q Is DTC No P1828 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 154 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1829 Shift Fork Position Sensor 2 System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be se
128. the ECU is replaced ensure that the e Malfunction of the twin clutch SST control mode CAN bus lines are normal switch COMMENTS ON TROUBLE SYMPTOM e Damaged harness wires and connectors e Malfunction of the shift lever ECU The twin clutch SST control mode switch or e Malfunction of TC SST ECU TC SST ECU may have a problem ANCHOR O DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 220 334 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool data list Item No 32 Drive mode switch Refer to data list reference table P 22C 356 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 3 STEP 3 Twin clutch SST control mode switch check Refer to P 22C 519 Q Is the check result normal YES Go to Step 4 NO Replace the twin clutch SST control mode switch Refer to P 22C 519 STEP 4 Twin clutch SST control mode switch connecto
129. the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No U0001 set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 370 DTC U0100 Engine Time out Error A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt DTC SET CONDITIONS The periodic communication data from the engine control module cannot be received PROBABLE CAUSES e The CAN bus line is defective e Malfunction of engine control module e Malfunction of the shift lever ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES NO Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P
130. to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 11 Poor acceleration PROBABLE CAUSES e Malfunction of the engine system e Insufficient or contaminated fluid e Malfunction of the mechatronic assembly e Malfunction of the clutch assembly e Malfunction of the transaxle assembly COMMENTS ON TROUBLE SYMPTOM Fluid may be insufficient or contaminated Engine system mechatronic assembly clutch assembly or transaxle assembly may have a problem DIAGNOSTIC PROCEDURE STEP 1 Check the engine system Q Is the check result normal YES Go to Step 2 NO Repair the engine system STEP 2 Fluid check Check for the fluid level and if no foreign material and contami nation are found Q Is the check result normal YES Go to Step 3 NO Charge or replace the fluid TSB Revision 22C 350 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Retest
131. to Step 18 STEP 16 Scan tool data list Item No 39 Stoplight switch Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 17 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 18 TSB Revision 22C 404 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 17 Check whether the DTC is reset Q Is DTC No C1000 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 18 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 18 Check whether the DTC is reset Q Is DTC No C1000 set YES Return to Step 1 NO This diagnosis is complete DTC C100A lt FL gt C1015 lt FR gt C1020 lt RL gt C102B lt RR gt Wheel Speed Sensor System Faulty Circuit A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines Observe the wheel speed at startup If one or more an incorrect diagnostic trouble code may be of the wheel speed does not follow the diagnostic set Prior to this diagnosis diagnose the CAN _ trouble code of the relevant wheel speed sensor is bus lines set e Whenever the ECU is replaced ensure that the CAN bus lines are normal PROBABLE CAUSES OPERATION e Malfunction of wheel speed sensor e Damaged harness wires and connectors pn EGY ee ine wnae spee
132. transmit torque 40 N m 30 ft lb e Malfunction of TC SST ECU or more e Malfunction of shift fork position sensor 3 e Requested shift fork Not shift fork 3 0 24 inch or less for 250 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 171 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 6th gear check that the DTC is reset Q Is DTC No P182E set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly R
133. trouble code is set when PROBABLE CAUSES AWC ECU determines that an abnormality is Improper installation of G and yaw rate sensor present by comparing the longitudinal G that is Malfunction of G and yaw rate sensor output from the G and yaw rate sensor during Malfunction of wheel speed sensor braking with the calculation value calculated by Malfunction of stoplight switch the data from the wheel speed sensor Malfunction of AWC ECU Malfunction of ASC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1242 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the check result normal YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool diagnostic trouble code Check if the stoplight switch related or wheel speed sen sor related diagnostic trouble code is set Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 5 STEP 5 Check of G and yaw rate sensor installation status Check that the G and yaw rate sensor is installed correctly Refer to GROUP 35
134. turning ON the ignition switch check that the DTC is reset Q Is DTC No P0842 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0843 Clutch 1 Pressure Sensor System Output high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The output of the clutch 1 pressure sensor is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground e P0974 Shift select solenoid 1 system Short to power supply e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switc
135. voltage P 22C 417 AWC pressure sensor system high voltage P 22C 419 AWC switch system stuck ON P 22C 422 Parking brake switch system stuck ON P 22C 425 Cranking signal system stuck ON P 22C 428 AWC CAN main data system data not received P 22C 430 ACD proportioning valve system malfunction P 22C 432 Electric pump relay system faulty circuit P 22C 435 Electric pump system P 22C 438 AWC actuator protection 1 This is the code that is set when the control is suspended to protect AWC actuator and nota malfunction TSB Revision 22C 398 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Diagnostic trouble code No C1621 Reference page This is the code that is set when the control is suspended to protect AWC actuator and not a malfunction AWC actuator protection 2 ACD control system abnormal P 22C 440 AWC ECU system internal error P 22C 441 AWC pressure sensor system power supply voltage abnormality P 22C 442 Battery voltage malfunction low voltage P 22C 445 Battery voltage malfunction high voltage P 22C 448 VIN not recorded P 22C 450 Steering wheel sensor system internal error P 22C 451 Bus off P 22C 452 Engine time out error P 22C 453 TC SST time out error P 22C 454 U0126 ASC time out error Steerin
136. with the current of the FET channel shunt Vor f battery 8 V 3 5 A or less and with the FET channel output 100 Ta E ARN de V or more continues for 300 milliseconds e Voltage of battery 16 5 V or less i JUDGMENT CRITERIA PROBABLE CAUSES e FET Field Effect Transistor current 3 5 A or e Malfunction of TC SST ECU more and FET Field Effect Transistor output 100 mV or less 300 millisecond Malfunction of clutch shift pressure solenoid 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 286 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P2719 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2720 Clutch Shift Pressure Solenoid 1 System S
137. 0 How to Cope with Intermittent Malfunction P 00 13 DTC P2727 Clutch Shift Pressure Solenoid 2 System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 2 circuit is deter mined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutc
138. 000 hPa or The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position D gt N or R N or R Pp Transmission fluid temperature gt 10 C 14 F Time required 1 220 msec lt 10 C 14 F 2 220 msec N or P3 All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 1 ODD PRESSURE 3 000 HPA OR MORE gt The calculated pressure remains 5 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time r
139. 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch cooling flow solenoid e Clutch shift pressure solenoid 1 e Clutch shift switching solenoid 1 FET Field Effect Transistor AC710728 JUDGMENT CRITERIA FET output 100 mV or less 5 seconds OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for 5 seconds PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of power supply circuit open circuit TSB Revision 22C 248 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 3 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the engine idle sta tus check th
140. 1 Steering wheel sensor Refer to P 22C 473 Q Is the check result normal YES Go to Step 8 NO Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 9 STEP 8 Check whether the DTC is reset Q Is DTC No C1219 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 9 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 9 Check whether the DTC is reset Q Is DTC No C1219 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 411 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C121A Steering Wheel Sensor System Neutral Learning Abnormality A CAUTION OPERATION e If there is any problem in the CAN bus lines Steering wheel sensor stores the neutral position an incorrect diagnostic trouble code may be learned by the scan tool When the neutral position set Prior to this diagnosis diagnose the CAN has not been learned the steering wheel sensor out bus lines puts the signal indicating that the learning has not Whenever the ECU is replaced ensure that been performed the CAN bus lines are normal e When the steering wheel sensor is replaced DTC SET CONDITIONS calibrate the steering wheel sensor Refer to This DTC is set when it is detected that the steering GROUP 35C On vehicle Se
141. 13 DTC SET CONDITIONS e When one position signal is determined not to be P198E is set e When two position signals are determined not to be P198F is set PROBABLE CAUSES e Malfunction of the shift lever ECU e Malfunction of the lever position sensor TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 369 DTC U0001 Bus off A CAUTION DIAGNOSIS lt SHIFT LEVER gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Are DTC Nos P198E P198F set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC SET CONDITIONS If there is any problem in the CAN bus lines The shift lever ECU ceases communication bus off an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN PROBABLE CAUSES bus lines e The CAN bus line is defective e Whenever the ECU is replaced ensure that e Malfunction of the shift lever ECU the CAN bus lines are normal DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is
142. 135 Clutch shift switching solenoid 1 spool stuck Clutch shift switching solenoid 1 system Open circuit Clutch shift switching solenoid 1 system Short to ground Clutch shift switching solenoid 1 system Short to power supply Fluid temperature sensor system Output low range out P 22C 298 P 22C 301 P 22C 302 P 22C 304 P 22C 306 103 Fluid temperature sensor system Output high range out P 22C 308 115 240 Input shaft 2 even number gear axle speed sensor system Poor performance P 22C 310 141 Clutch shift switching solenoid 2 spool stuck Clutch shift switching solenoid 2 system Open circuit P 22C 315 P 22C 318 Clutch shift switching solenoid 2 system Short to ground P 22C 320 Clutch shift switching solenoid 2 system Short to power supply P 22C 322 Bus off P 22C 324 Engine time out error P 22C 326 Shift lever time out error P 22C 328 ASC time out error P 22C 329 AWC time out error P 22C 330 ETACS time out error TSB Revision P 22C 331 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 21 DIAGNOSIS lt TC SST gt SYMPTOM CHART A CAUTION During diagnosis a DTC associated with other system may be set when the ignition switch is turned ON with connector s disconnected On completion confirm all systems for diagnostic trouble code s If diagnostic trouble code s are set erase t
143. 179 DIAGNOSIS lt TC SST gt STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 4th gear 3 Check the DTC Q Is DTC No P1833 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1834 Shift Fork Position Sensor 4 System Neutral A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 4 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 4 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1831 Shift fork position sensor 4 system Volt age low range out e P1832 Shift fork position sensor 4 system Volt age high range out e P1833 Shift fork position sensor 4 system Out put range out e P1835 Shift fork position sensor 4 system Poor performance e P184B Shift fork 4 malfunction e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment P1858 E
144. 183D P1844 or P184B is set in addition to the diagnostic trouble code No P1857 YES Replace the mechatronic assembly Refer to P 22C 505 NO Replace the transaxle assembly Refer to P 22C 497 TSB Revision 22C 224 DTC P1858 Even number gear axle interlock A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The two gears are determined to be engaged in the even number gear range LOGIC FLOW CHARTS Monitor Sequence START Shift fork 3 position gt 3 8 mm 0 15 inch Shift fork 4 position gt 3 8 mm 0 15 inch Continuous failure for 500 msec Malfunction Monitoring condition met TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable No AC710723 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 225 DIAGNOSIS lt TC SST gt BIC S
145. 1O O e gt Z TH TEIPELEHLCHKEROAR 35 5 24 uw i a SHIFT LEVER oe POSITION CP en a y SENSOR R R SHIFT LEVER BACKUP LIGHT C 49 i LH IARE 5 6 7 i 89 ae earl 1 5 1 lt m H faa lt lt 1 ic 1 lt A lt lt oO lt sa AC807777 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 377 DIAGNOSIS lt SHIFT LEVER gt Connectors C 38 C 39 Connector D 1 4 AC807552 BM AC807572BA Connectors C 304 C 309 C 311 C 313 C 317 Junction block P AC608152CW A CAUTION PROBABLE CAUSES Whenever the ECU is replaced ensure that the Malfunction of the ETACS ECU Pa eee mies ate NOAN Malfunction of the back up light COMMENTS ON TROUBLE SYMPTOM Damaged harness wires and connectors The back up light ETACS ECU or shift lever ECU Malunevon oiie smn avar EE may have a problem DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 378 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt STEP 2 Scan tool actuator test Item No 2 Back up light Refer to Special Function Actuator Test Reference Table P 22
146. 204 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 3 REQUESTED BUT SHIFT FORK 1 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 3 JUDGMENT CRITERIA e Shift fork position 6 mm 0 24 inch 1st gear side or less or 6 mm 0 24 inch reverse gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 3 position 2 5 mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 3 REQUESTED BUT SHIFT FORK 1 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 1st gear side or more or with 6 mm 0 24 inch reverse gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the ini tialized fork position shift fork 3 position 2 5 mm 0 098 inch or more continues for 200 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 205 LOGIC FLOW CHARTS Monitor Sequence lt Functional check shift fork 3 requested but shift fork 4 movement gt START Monitoring condition met Shift fork 4 positio 4th gear side Shift fork 4 position lt
147. 22C 1 GENERAL INFORMATION SERVICE SPECIFICATIONS LUBRICANTS 4 SPECIAL TOOLS DIAGNOSIS lt TC SST gt INTRODUCTION 2 TROUBLESHOOTING STRATEGY TC SST TEACH IN 00 DIAGNOSIS FUNCTION DIAGNOSTIC TROUBLE CODE CHART SYMPTOM CHART DIAGNOSTIC TROUBLE CODE PROCEDURES SYMPTOM PROCEDURES GROUP 22C TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST CONTENTS 22C 3 DATA LIST REFERENCE TABLE 22C 356 SPECIAL FUNCTION 22C 362 22C 3 TC SST ECU TERMINAL VOLTAGE REFERENCE CHART 0 22C 363 22C 4 DIAGNOSIS lt SHIFT LEVER gt 22C 364 22C 5 DIAGNOSIS FUNCTION 22C 364 DIAGNOSTIC TROUBLE CODE CHART 22C 366 22C 7 SYMPTOM CHART 00 000 22C 366 22C 7 DIAGNOSTIC TROUBLE CODE pee PROCEDURES 0 0 0 000 00 22C 367 eee SYMPTOM PROCEDURES 22C 373 saci DATA LIST REFERENCE TABLE 220 387 ai SPECIAL FUNCTION ACTUATOR TEST ee REFERENCE TABLE 22C 389 7 SHIFT LEVER ECU TERMINALVOLTAGE REFERENCE CHART 0 22C 390 220272 220 332 Continued on next page 22C 2 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt 22C 394 TROUBLESHOOTING STRATEGY 22C 394 DIAGNOSIS FUNCTION 22C 394 DIAGNOSTIC TROUBLE CODE CH
148. 22C 480 Engine Room Under Cover Front B Assembly Installation Refer to GROUP 51 Under Cover P 51 20 g 10 2Nm 10 2N m 120 44 5Nm in 89 18 in Ib 32 4 ft lb 89 18 in lb 25 4N m F 1 Q Oey lt DRIED gt lt OILED gt 18 3 ft lb eddy 34 5N m 2624N m S A 25 4 ft lb 19 3 ft lb 3 X KI 10 3N m 7 aX 89 26 in lb 69 9N m aS _ Dee 51 7 ft lb af a oS ROSA 9 1 N m 10 80 9in Ib 5 0 2 0 N m A a ON 44 18in Ib gg 49 Ta ae dfib D 39 6ftb 51 7 ft lb 69 9Nm P eG 51 7 ft lb say 8 54 5N m 40 3 ft lb Gear oil lt 3 Dia Queen LSD Ss amp Gear Oil 47 11Nm 20 5N m Transaxle 35 8 ft lb 15 4 ft lb assembly 5Y y gt Grease Molykote BR2 Plus AC901707AC Removal steps Removal steps 1 Front floor backbone brace e Front driveshaft assembly lt lt A gt gt 2 Front propeller shaft Refer to GROUP 26 assembly Driveshaft Assembly P 26 21 TSB Revision 22C 496 lt lt B gt gt TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSFER ASSEMBLY Removal steps Center member and front roll stopper assembly Refer to GROUP 32 Engine Roll Stopper and Center Member P 32 11 Front exhaust pipe removal Refer to GROUP 15 Exhaust Pipe and Main Muffler P 15 31 Rear roll stopper center bolt Dynamic damper NOR UW Driveshaft heat protector Transfer heat protector Transfer p
149. 2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch 2 pressure sensor e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 297 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence eal FET Field Effect Transistor Yes FET output gt Battery voltage 2V Yes Continuous failure for 160 msec Yes Malfunction AC710659 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains Battery voltage 2 V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Clutch shift pressure solenoid 2 OFF PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA l FET Field Effect Transistor output Battery volt Malfunction of clutch shift pressure solenoid 2 age 2 V or more 160 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN b
150. 2C 505 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 13 The shift shock is large COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES The mechatronic assembly clutch assembly or tran saxle assembly may have a problem e Malfunction of the mechatronic assembly e Malfunction of the clutch assembly e Malfunction of the transaxle assembly DIAGNOSTIC PROCEDURE STEP 1 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 2 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 2 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Mal
151. 3 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 13 STEP 12 Retest the system Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 13 STEP 13 Retest the system Q Is the check result normal YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 473 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DATA LIST REFERENCE TABLE Display on scan tool Check conditions M1221011200162 Normal condition ACD control mode TARMAC is selected displayed on multi information display TARMAC GRAVEL is selected displayed on multi information display GRAVEL SNOW is selected displayed on multi information display SNOW T M gear position hold request Retention requested Perform a test run of the vehicle ON Retention not requested OFF System fail ACD target torque for Meter Normal Correct Faulty Perform a test run of the vehicle Malfunction 0 5 seg Steering angle sensor Steering wheel Steered 90 to right R90 deg Steering wh
152. 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 Drive with shifted in the 2nd gear 3 Check the DTC Q Is DTC No P1877 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 266 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1878 Gear Block 3rd A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The engagement of the 3rd gear is determined to be impossible LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Gear synchro engagemen is 3 times blocked Malfunction DTC SET CONDITIONS Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Target gear 3rd gear JUDGMENT CRITERIA e Gear synchro engagement 3 times
153. 4 9 in Ib A CAUTION If the air bleeding is insufficient the noise from the hydraulic unit occurs which may deteriorate the pump durability 11 After the air bleeding is complete check the fluid level Refer to P 22C 483 12 Install the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 Oil filter ACD OPERATION CHECK A CAUTION Before connecting or disconnecting scan tool always turn the ignition switch to the LOCK OFF position 1 Connect scan tool to the data link connector Refer to P 22C 394 M1225008900107 TSB Revision 2 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 486 ON VEHICLE SERVICE 2 Start the engine 3 Position the steering wheel in a straight ahead direction 4 Drive the vehicle at 20 km h 12 4 mph or less carry out the scan tool actuator test item No 05 and forcibly activate the ACD Then turn the steering wheel 180 or more to the right or left and check that tight corner braking occurs NOTE e The forced activation item No 05 ACD operation check mode is continued for 1 minute then it will be cancelled automatically Also using the clear key on the scan tool the activation can be forcibly cancelled When the ACD functions are stopped due to the fail safe the forced activation cannot be performed The occurrence levels of body vibration and noise cause
154. 4 Shift fork 3 malfunction P184B Shift fork 4 malfunction Sensor The sensor below is determined to be normal e Not applicable LOGIC FLOW CHARTS Monitor Sequence lt Functional check move opposite direction right side gt START Monitoring condition met Shift fork position No gt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction AC710720 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 217 DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK MOVE OPPOSITE DIRECTION RIGHT SIDE gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift fork 1 and 2 current gear Neutral e Shift fork 1 and 2 target direction 0 mm 0 inch or less JUDGMENT CRITERIA e Shift fork 1 and 2 position 1 8 mm 0 071 inch or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK MOVE OPPOSITE DIRECTION RIGHT SIDE gt The shift fork 1 and 2 positions remain 1 8 mm 0 071 inch or less for 250 millisecond LOGIC FLOW CHARTS Monitor Sequence lt Functional check move opposite direction left side gt START Monitoring condition met Shift fork position lt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction DTC SET CONDITIONS lt FUNCTIONAL CH
155. 4C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 90 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0976 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0977 Shift Select Solenoid 2 System Short to power supply A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The shift select solenoid 2 circuit is determined to be an incorrect diagnostic trouble code may be short to power supply set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES Whenever the ECU is replaced ensure that Malfunction of TC SST ECU he CAN li l ee SHS ice S Nong e Malfunction of shift select solenoid 2 DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 2 circuit is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After re
156. 58 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Carry out the Item No 3 Teach In Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 3 With the engine idle status check that the DTC is reset Q Is the DTC No P0777 restored or Is the line pressure test of Teach In not completed normally No is displayed in the Data list No 101 Normal End YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check the fluid Q Is the fluid level proper YES Go to Step 4 NO Add the fluid STEP 4 Check the installation status of the mechatronic assembly Q Is the mechatronic assembly installed correctly YES Go to Step 5 NO Install the mechatronic assembly correctly Refer to P 22C 505 STEP 5 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status check that the DTC is reset Q Is DTC No P0777 set YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 6 Check whether the DTC is reset 1 Erase the DTC 2 With the eng
157. 7AD FAIL SAFE FUNCTION If an abnormality occurs to the signal of sensors switches solenoids or others the shift lever ECU performs a control for the driver safety and system protection The control contents are as follows FAIL SAFE REFERENCE TABLE Diagnosti Control content c trouble code No P198D EEPROM Normal driving can be performed and displays an occurrence of trouble to the multi information display to warn the driver P198E Lever position sensor Normal driving can be performed and displays an occurrence of system Malfunction of trouble to the multi information display to warn the driver one sensor Lever position sensor The lever position cannot be identified and the clutch open at TC SST system Malfunction of side prohibits the vehicle from driving Then displays an occurrence of two sensors trouble to the multi information display to warn the driver TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 365 DIAGNOSIS lt SHIFT LEVER gt HOW TO CONNECT THE SCAN TOOL M U T III Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T IIl Main Harness A Vehicles with CAN communication system A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnec
158. 8 2 Check the DTC Q Is DTC No P1872 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 257 DIAGNOSIS lt TC SST gt DTC P1873 Clutch 1 System Pressure abnormality A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The clutch 1 pressure is determined to be abnormal an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN PROBABLE CAUSES bus lines Whenever the ECU is replaced ensure that Malfunction of TC SST ECU e Malfunction of clutch assembly the CAN bus lines are normal f e Malfunction of engine system DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the eng
159. 8 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 4 REQUESTED BUT SHIFT FORK 2 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 5th gear side or more or with 6 mm 0 24 inch 3rd gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the initialized fork position shift fork 4 position 2 5 mm 0 098 inch or more continues for 200 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 213 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check shift fork 4 requested but shift fork 3 movement gt START Monitoring condition met Shift fork 3 position 6th gear side Shift fork 3 position gt 6 mm 0 24 inch Shift fork 3 positio neutral position Shift fork 3 position gt 1 8 mm 0 071 inch Initialized fork position shift fork 4 position lt 2 5 mm 0 098 inch Continuous failure for 200 msec Malfunction AC710717 TSB Revision 22C 214 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 4 REQUESTED BUT SHIFT FORK 3 MOVEMENT gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds
160. 88 or No 189 No 163 Go to Step 4 Other than No 163 Go to Step 3 STEP 3 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P184B set YES Replace the mechatronic assembly Refer to NO P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 215 DIAGNOSIS lt TC SST gt STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 Drive in the 4th gear 3 Check that the DTC is reset Q Is DTC No P184B set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 6 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 6 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In
161. A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 5th gear check that the DTC is reset Q Is DTC No P1827 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 5th gear 3 Check the DTC Q Is DTC No P1827 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 151 DIAGNOSIS lt TC SST gt DTC P1828 Shift Fork Position Sensor 2 System Neutral A CAUT
162. AN bus line go to Step 2 STEP 2 Check whether the DTC is reset Warm up the engine and let it idle for 15 seconds Then check that the DTC is reset Q Is DTC No P180C set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 109 DIAGNOSIS lt TC SST gt DTC P181B Clutch 1 Pressure low range out A CAUTION MONITOR EXECUTION CONDITIONS e If there is any problem in the CAN bus lines OTHER MONITOR AND SENSOR an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN Other Monitor There is no temporary DTC stored bus lines e Whenever the ECU is replaced ensure that id the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure is normal DESCRIPTIONS OF MONITOR METHODS in memory for the item monitored below P0841 Clutch 1 pressure sensor system Poor performance P0842 Clutch 1 pressure sensor system Output low range out P0843 Clutch 1 pressure sensor system Output high range out P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction The pressure of the clutch 1 is too low Sensor The sensor below is determined to be normal MONITOR EXECUTION e Clutch 1 pressure sensor e Continuous LOGIC FLOW CHARTS Moni
163. AN bus lines are normal COMMENTS ON TROUBLE SYMPTOM TC SST ECU power supply circuit ground circuit or TC SST ECU may have a problem 22C 339 DIAGNOSIS lt TC SST gt AC802703AH AC800715AL Connector C 128 7 AC608145BP Connectors C 309 C 317 Junction block AC608152CU PROBABLE CAUSES e Defective battery e Damaged harness wires and connectors e Malfunction of the ETACS ECU e Malfunction of the shift lever ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Check the battery Refer to GROUP 54A Battery Test P 54A 8 Q Is the battery in good condition YES Go to Step 2 NO Charge or replace the battery STEP 2 Measure the resistance at B 120 TC SST ECU connector Disconnect the connector and measure the resistance between terminal No 19 and ground at the wiring harness side OK Continuity exists 2 Q or less Q Is the check result normal YES Go to Step 5 NO Goto Step 3 TSB Revision i TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 340 DIAGNOSIS lt TC SST gt STEP 3 TC SST ECU connector check B 120 Check for the contact with terminals Q Is the check result normal YES Go to Step 4 NO Repair the defective connector STEP 4 Check the wiring harnes
164. ART 22C 397 SYMPTOM CHART 22C 399 DIAGNOSTIC TROUBLE CODE PROCEDURES 22C 400 SYMPTOM PROCEDURES 22C 467 DATA LIST REFERENCE TABLE 22C 473 SPECIAL FUNCTION REFERENCE TABLE icgctisacsites tation gays goal hea ance oe 22C 476 AWD ECU TERMINAL VOLTAGE REFERENCE CHART FORACD 22C 477 ON VEHICLE SERVICE 22C 478 TRANSMISSION FLUID LEAKAGE CHECK whe seeds derini namha aia 22C 478 TRANSMISSION FLUID LEVEL CHECK 22C 478 TRANSMISSION FLUID CHANGE 22C 479 TRANSFER OIL CHECK 22C 480 TRANSFER OIL CHANGE 22C 480 SHIFT LEVER OPERATION CHECK 22C 481 KEY INTERLOCK MECHANISM CHECK 22C 482 SHIFT LOCK MECHANISM CHECK 22C 483 ACD CONTROL FLUID CHECK 22C 483 ACD BLEEDING 22C 484 ACD OPERATION CHECK 22C 485 HYDRAULIC PRESSURE CHECK 22C 486 TWIN CLUTCH SST CONTROL MODE SWITCH 22C 487 REMOVAL AND INSTALLATION 22C 487 INSPECTION 0 00 22C 488 TWIN CLUTCH SST CONTROL MODE SWITCH CHECK 22C 488 TRANSMISSION CONTROL 22C 488 REMOVAL AND INSTALLATION 22C 488 KEY INTERLOCK AND SHIFT LOCK MECHANISMS 22C 493 REMOVAL AND INSTALLATION 22C 493 TRANSFER ASSEMBLY 22C 495 REMOVAL AND INSTALLATION 22C 495 TRANSAXLE ASSEMBLY 22C 497 REMOVAL AND INSTALLATION
165. B Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 263 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1876 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D
166. B991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 114 or No 138 is set Q Which monitoring unit is set No 114 or No 138 No 114 Go to Step 4 No 138 Go to Step 3 STEP 3 Check whether the DTC is reset 1 Erase the DTC 2 Drive the vehicle at 50 km h 31 mph or more 3 Check that the DTC is reset Q Is DTC No P0716 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 35 DIAGNOSIS lt TC SST gt STEP 4 Check whether the DTC is reset 1 Erase the DTC A CAUTION When driving with each gear range check that the gear engagement is correct and the engine rotation speed does not increase abnormally after gear shifting 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P0716 set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 1
167. C G and Yaw Rate Sensor P 35C 320 Q Is the check result normal YES Go to Step 6 NO Reinstall the G and yaw rate sensor correctly Then go to Step 6 TSB Revision 22C 416 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 6 Scan tool data list Item No 31 Longitudinal G sensor Refer to P 22C 473 Q Is the check result normal YES Go to Step 7 NO Replace the G and yaw rate sensor Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 Then go to Step 8 STEP 7 Check whether the DTC is reset Q Is DTC No C1242 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 8 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 8 Check whether the DTC is reset Q Is DTC No C1242 set YES Return to Step 1 NO This diagnosis is complete DTC C1610 Electronic Relay Abnormality of AWC Actuator Power Supply A CAUTION OPERATION If there is any problem in the CAN bus lines A relay is incorporated in AWC ECU and the power an incorrect diagnostic trouble code may be is supplied to the actuator via this relay set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS e Whenever the ECU is replaced ensure that When the actuator power supply relay in AWC ECU the CAN bus lines are normal is seized the code is set PROBABLE CAUSES e Malf
168. C 389 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 3 STEP 3 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Bulb check Check if the bulb of the back up light which does not illuminate is normal Q Is the check result normal YES Go to Step 5 NO Replace the bulb STEP 5 Measure the resistance at F 08 back up light RH connector and F 17 back up light LH connector Disconnect the connector and measure the resistance between the connector terminal No 1 and ground at the wiring harness side OK Continuity exists 2 or less Q Is the check result normal YES Go to Step 8 NO Goto Step 6 STEP 6 Inspection of theback up light RH connector back up light LH connector and intermediate connector F 08 F 17 F 31 Check for the contact with the connector terminals Q Is the check result normal YES Go to Step 7 NO Repair the defective connector STEP 7 Check the wiring harness between F 08 back up light RH connector terminal No 1 and body ground and between F 17 back up light LH connector terminal No 1 and body ground Check the ground line for open circuit Q Is the check result normal YES Intermittent malfun
169. C SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START No Monitoring condition met Yes Shift fork position No counter lt 500 Yes Continuous failure for 180 msec Yes Malfunction DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift system status Gear change mode during shift fork moving JUDGMENT CRITERIA e Shift fork 2 position counter digitized sensor value 500 counts or less or shift fork 2 position counter digitized sensor value 500 counts or more 180 millisecond Shift fork position counter gt 500 22C 149 No Yes AC710681 OBD II DRIVE CYCLE PATTERN The status with the shift fork 2 position counter digi tized sensor value 500 counts or more or with the shift fork 2 position counter digitized sensor value 500 counts or less continues for 180 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 2 TSB Revision 22C 150 DIAGNOSIS lt TC SST gt TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness
170. C SST TRANSAXLE CASE OIL SEAL REMOVAL SERVICE POINTS lt lt A gt gt TRANSAXLE CASE OIL SEAL LH TRAN SAXLE CASE OIL SEAL RH REMOVAL 1 Insert the tapping screw p 3 mm 0 1 inch to one of four lt Reference gt lm hollows round shape on the oil seal by turning it 2 or 3 X times gt 2 Tap the opposite side of the inserted tapping screw using a knock pin punch to press in the oil seal approximately 1 mm 0 04 inch 3 Hold the inserted tapping screw with pliers or similar tools and remove the oil seal NOTE If the transaxle case oil seal RH is replaced the V ring must also be replaced TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 511 TRANSAXLE CASE OIL SEAL INSTALLATION SERVICE POINTS gt gt A lt lt TRANSAXLE CASE OIL SEAL RH INSTALLATION 1 Apply the transaxle oil to the oil seal guide special tool MB992313 Insert the oil seal to oil seal guide special tool MB992313 2 Use special tool oil seal installer special tool MB99231 2 to install the oil seal to the transaxle case gt gt B lt lt V RING INSTALLATION 1 Clean the spline with a brush or the like Silo 2 Apply the transaxle oil to the V ring guide special tool MB992314 Insert the V ring to V ring guide special tool MB992314 and install the V ring to the transaxle case 3 Check th
171. C707742AD Slider Lock piece Transaxle s4 control cable Shift control lever AC707743AD 22C 491 INSTALLATION SERVICE POINTS gt gt A lt lt TRANSAXLE CONTROL CABLE TRAN SAXLE SIDE SHIFT LEVER SIDE INSTALLATION 1 2 Connect the transaxle control cable shift lever side to the shift lever assembly Operate the lever so that the shift control lever positioning mark is set to the N position Move the slider of the transaxle control cable transaxle side tip to the direction A to pull up the lock piece to the direction B Install the transaxle control cable transaxle side in the transaxle control cable bracket at the top of transaxle Move the shift lever to the N lt D position three times or more and shift to the N position Connect the transaxle control cable to the shift control lever and firmly push down the lock piece of transaxle control cable to lock it NOTE The slider automatically returns to the fixed position by the spring e The lock position of transaxle control cable is automati cally adjusted by a spring TSB Revision 22C 492 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSMISSION CONTROL gt gt B lt lt KEY INTERLOCK CABLE INSTALLATION A CAUTION Leave the ignition switch in the LOCK OFF position until the key interlock cable installation is completed 1 Move the shift lever to the P position and turn the ignition switch to the
172. CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the coding is normal TC SST ECU is a local coding P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DESCRIPTIONS OF MONITOR METHODS The coding is determined to be abnormal This abnormality occurs when the vehicle information has been incorrectly written to TC SST ECU at a factory before shipment MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 93 DIAGNOSIS lt TC SST gt Sensor The sensor below is determined to be normal e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Coding state not programmed Malfunction AC710730 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The coding is completed e Ignition switch ON JUDGMENT CRITERIA e Coding state Not programmed Immediately DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A PROBABLE CAUSES e Malfunction of TC SST ECU STEP 1 Scan tool CAN bus diagnostics U
173. CONDITIONS lt SHIFT FORK 1 CURRENT GEAR REVERSE GEAR gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Input shaft 1 odd speed 500 r min or more e Shift fork 1 current gear Reverse gear e Clutch 1 odd transmit torque 40 N m 30 ft lb or more e Requested shift fork Not shift fork 1 Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710683 JUDGMENT CRITERIA e Shift fork 1 position 6 mm 9 24 inch or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 1 CURRENT GEAR REVERSE GEAR gt The travel distance of the shift fork 1 remains 6 mm 9 24 inch or less for 250 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 142 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 Af
174. Cope with Intermittent Malfunction P 00 13 STEP 3 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 349 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 10 The shock is large when the vehicle is stopped and the brake pedal is released with the D range R range manual mode COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES The mechatronic assembly or clutch assembly may e Malfunction of the mechatronic assembly have a problem e Malfunction of the clutch assembly DIAGNOSTIC PROCEDURE STEP 1 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 2 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 2 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 NO Intermittent malfunction Refer to GROUP 00 How
175. D gt STEP 2 Check whether the DTC is reset Q Is DTC No U0001 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check whether the DTC is reset Q Is DTC No U0001 set YES Return to Step 1 NO This diagnosis is complete DTC U0100 Engine Time out Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the signal sent from engine an incorrect diagnostic trouble code may be control module cannot be received for a certain set Prior to this diagnosis diagnose the CAN period bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES AS ous mes T Ee The CAN bus line is defective OPERATION e Malfunction of engine control module AWC ECU communicates with the engine control e Malfunction of AWC ECU module via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto
176. Drive in the 3rd gear 3 Check that the DTC is reset Q Is DTC No P183D set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 6 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 6 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 7 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 201 DIAGNOSIS lt TC SST gt STEP 7 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 3rd gear 3 Check the DTC Q Is
177. E STEP 1 Check for transaxle control cable installation Check the transaxle control cable for installation condition Q Is the check result normal YES Go to Step 2 NO Install the transaxle control cable properly Refer to P 22C 488 STEP 2 Transaxle control cable operation check 1 Disconnect the connection of the transaxle assembly and the transaxle control cable 2 Turn the ignition switch to the ON position and depress the brake pedal Check that the transaxle control cable works when shift lever is moved to PeR Q Is the check result normal YES Go to Step 5 NO Goto Step 3 STEP 3 Retest the system Q Does a malfunction take place again YES Replace the transaxle control cable Refer to P 22C 488 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the shift lever assembly Refer to P 22C 488 NO This diagnosis is complete STEP 5 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 347 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 8 Slipping occurs with the D range R range manual mode and
178. E TRANSMISSION FLUID LEAKAGE CHECK E a gt A X NANN E OG h Centermember VIS IZ AC704517AE 1 2 M1225029700034 Clean the transaxle exterior and visually check the transaxle for fluid leaks If the fluid is leaking from the oil pan or the oil seal replace the part If the fluid is leaking from the part other than the oil pan and the oil seal replace the transaxle assembly TRANSMISSION FLUID LEVEL CHECK 1 2 M1225008000212 Remove the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 Start the engine and let it run at idle to warm it up for 15 minutes Move the shift lever to every position P R N D manual mode Hold for 20 seconds in each position and then move it to the P range Stop the engine Remove the air cleaner element and air cleaner intake duct Refer to GROUP 15 Air Cleaner P 15 9 Remove the filler plug A CAUTION The drained fluid can be reused if it is between the replacement intervals lt Replacement interval gt e Normal condition 96 000 km 60 000 miles e Severe condition 48 000 km 30 000 miles When reusing the drained fluid make sure that no for eign object gets into the fluid Remove the drain plugs and leave it for 3 minutes to drain the fluid NOTE Because the fluid in the oil cooler oil filter and tran saxle assembly cannot be drained the amount of drained fluid will be app
179. E CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 28 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0713 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0715 Input shaft 1 odd number gear axle speed sensor system Output high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the input shaft 1 odd num ber gear axle speed sensor is normal DESCRIPTIONS OF MONITOR METHODS The output
180. E PROCEDURES DTC P0563 Power Supply System A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The voltage from the battery is determined to be an incorrect diagnostic trouble code may be overvoltage set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal OPERATION PROBABLE CAUSES e Malfunction of the shift lever ECU e Generator malfunction The shift lever ECU checks that the power supply cir cuit is normal DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P0563 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Generator system check Refer to GROUP 16 Charging System On vehicle Service P 16 8 Q Is the check result normal YES Go to Step 4 NO Repair or replace the generator related parts STEP 4 Check whether the DTC is reset Q Is DTC No P0563 set YES Shift lever assembly replacement Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 368 TWIN CLUTCH SPORTRONIC SHIF
181. ECK MOVE OPPOSITE DIRECTION LEFT SIDE gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more AC710721 e Time since above engine condition 1 5 seconds or more e Shift fork 1 and 2 current gear Neutral e Shift fork 1 and 2 target direction 0 mm 0 inch or more JUDGMENT CRITERIA e Shift fork 1 and 2 position 1 8 mm 0 071 inch or less 250 millisecond TSB Revision 22C 218 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK MOVE OPPOSITE DIRECTION LEFT SIDE gt The shift fork 1 and 2 positions remain 1 8 mm 0 071 inch or more for 250 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of valve body DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the foll
182. EP 2 Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 3 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P186D set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P186E High side 2 system Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the high side 2 circuit is determined to be too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive cu
183. ET CONDINONS OBD II DRIVE CYCLE PATTERN Check Conditions The shift fork 3 and 4 positions remain 3 8 mm 0 15 e Voltage of battery 8 V or more inch or less for 500 millisecond e Voltage of battery 16 5 V or less e Engine speed 650 r min or more PROBABLE CAUSES e Time since above engine condition 1 5 seconds e Malfunction of TC SST ECU A TE e Malfunction of TC SST gear JUDGMENT CRITERIA e Shift fork 3 and 4 position 3 8 mm 0 15 inch or more 500 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifting to each gear range Hold each gear range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1858 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool diagnostic trouble code Check if any code from P1836 P183D P1844 or P184B is set in addition to the diagnostic trouble code No P1858
184. FF position 3 Start the engine 4 Drive the vehicle with all the following conditions satisfied e Total driving time engine running is 10 minutes or more continuously e The driving time includes continuous idling for 30 seconds or more NOTE The accelerator pedal is not depressed e While driving drive with the vehicle speed 40 km h 25 mph or more for 5 minutes or more NOTE Drive the vehicle so that the total accumulated driv ing time with the vehicle speed 40 km h 25 mph or more will be 5 minutes or more Do not include the time when the vehicle is driven at 40 km h 25 mph or less 5 Turn the ignition switch to the LOCK OFF position TSB Revision 22C 14 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt FREEZE FRAME DATA CHECK Various data of when the diagnostic trouble code is determined is obtained and the status of that time is stored By analyzing each data using the scan tool troubleshooting can be performed efficiently Display items of the freeze frame data are as follows FREEZE FRAME DATA REFERENCE TABLE Item Unit Display Odometer mile Drive cycle Count Current trouble accumulative time min System power supply V Clutch pressure Odd number gears mbar Clutch pressure Even number gears mbar Clutch status Odd number gears e Inactive e Closed During the torque control e Hydraulic pressure charging e Pre stroke e During hy
185. FLOW CHARTS Monitor Sequence START ee Sensor output speed gt 16 000 r min Yes Continuous failure for 400 msec Yes Malfunction AC710617 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 261 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START pe Engine speed CAN sensor output speed gt 500 r min Malfunction DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds JUDGMENT CRITERIA e Sensor output speed 16 000 r min or more 400 millisecond The absolute value of the Engine speed via CAN Sensor output speed remains 500 r min or more 500 millisecond Monitoring condition met Yes Continuous failure for 500 msec Yes AC710618 OBD II DRIVE CYCLE PATTERN e The output of the sensor remains 16 000 r min or less for 400 millisecond The absolute value of the Engine speed via CAN Sensor output speed remains 500 r min or less for 500 millisecond PROBABLE CAUSES e Malfunction of damper speed sensor e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revisi
186. FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 400 msec Yes Malfunction AC710658 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for Check Conditions 400 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA l e Malfunction of TC SST ECU ee Fifact a a e Malfunction of clutch shift pressure solenoid 1 less 400 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 288 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2720 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2721 Clutch Shift Pressure Solenoid 1 System Short
187. FT TRANSMISSION TC SST Monitoring unit No DIAGNOSIS lt TC SST gt Diagnostic item Judgment drive cycle 22C 19 Reference page 059 High side 1 system Overcurrent 1 P 22C 226 060 High side 1 system Open circuit P 22C 228 061 High side 1 system Short to power supply P 22C 230 062 063 High side 2 system Overcurrent High side 2 system Open circuit P 22C 232 P 22C 234 064 P 22C 236 065 High side 3 system Overcurrent P 22C 238 066 High side 3 system Open circuit P 22C 240 067 High side 3 system Short to power supply P 22C 242 173 High side 1 system Voltage low range out P 22C 244 177 High side 2 system Short to power supply High side 2 system Voltage low range out P 22C 246 179 High side 3 system Voltage low range out P 22C 248 205 Engine torque signal abnormality P 22C 250 203 APS system Signal abnormality P 22C 253 220 Between shift lever and TC SST system Q A function abnormality P 22C 256 212 216 Clutch 1 system Pressure abnormality P 22C 257 213 217 Clutch 2 system Pressure abnormality P 22C 258 139 207 Damper speed sensor system Poor performance P 22C 259 196 Gear block 1st P 22C 262 197 Gear block 2nd P 22C 264 198 Gear block 3rd P 22C 266
188. FT TRANSMISSION TC SST 22C 133 DIAGNOSIS lt TC SST gt DTC P1822 Shift Fork Position Sensor 1 System Output range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the shift fork position sensor 1 is normal DESCRIPTIONS OF MONITOR METHODS The output of the shift fork position sensor 1 is deter mined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1820 Shift fork position sensor 1 system Volt age low range out P1821 Shift fork position sensor 1 system Volt age high range out P1823 Shift fork position sensor 1 system Neu tral P1824 Shift fork position sensor 1 system Poor performance P1836 Shift fork 1 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applic
189. Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 Drive with shifted in the 4th gear 3 Check the DTC Q Is DTC No P1879 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 270 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P187A Gear Block 5th A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The
190. HODS The TC SST setting mode is determined to be EOL end of line mode PROBABLE CAUSES e The setting mode changeover mistake when TC SST is shipped e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P1880 set YES Replace the mechatronic assembly Refer to NO P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision z TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 276 DIAGNOSIS lt TC SST gt DTC P1881 Twin clutch SST control mode switch system Malfunction A CAUTION DESCRIPTIONS OF MONITOR METHODS e If there is any problem in the CAN bus lines and signals of the twin clutch SST control an incorrect diagnostic trouble code may be mode switch is determined to be stuck on set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES Wh he E i l d that B E ee
191. Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the shift lever diagnostic trouble code Refer to P 22C 366 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 329 DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No U0103 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC U0121 ASC Time out Error A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The periodic communication data from the ASC ECU an incorrect diagnostic trouble code may be cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e The CAN bus line is defective the CAN bus lines are normal e Malfunction of ASC ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Too
192. I DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 1 REQUESTED BUT SHIFT FORK 2 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 5th gear side or more or with 6 mm 0 24 inch 3rd gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the initialized fork position shift fork 1 position 2 5 mm 0 098 inch or more continues for 200 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO STEP 2 Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 160 No 172 No 182 or No 183 is set Q Which monitoring unit is set No 160 No 172 No 182 or No 183 No 160 Go to Step 4 Other than No 160 Go to Step 3 TSB Revision 22C 192 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset 1 E
193. IAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The supply current to the clutch shift pressure sole noid 1 is determined to be overcurrent MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch 1 pressure sensor e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 285 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 300 msec Yes Malfunction AC710657 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The status
194. IFFERENTIAL ACD gt STEP 5 Scan tool data list Item No 87 Pressure sensor output voltage OK 0 20 2 67 V Q Is the check result normal YES Go to Step 6 NO Replace the hydraulic unit Refer to P 22C 521 Then go to Step 6 STEP 6 Check whether the DTC is reset Q Is DTC No C1611 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 7 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 7 Check whether the DTC is reset Q Is DTC No C1611 set YES Return to Step 1 NO This diagnosis is complete DTC C1612 AWC Pressure Sensor System High Voltage AWC PRESSURE SENSOR SYSTEM OPERATION CIRCUIT AWC ECU controls the electric pump by the informa tion from AWC pressure sensor Refer to P 22C 417 A CAUTION fe eH serenely iiss ressure sensor output If there is any problem in the CAN bus lines eerie p p an incorrect diagnostic trouble code may be voltage is 4 6 V ormora set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e AWC pressure sensor malfunction the CAN bus lines are normal e Damaged harness wires and connectors e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C
195. ION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 2 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 2 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1825 Shift fork position sensor 2 system Volt age low range out P1826 Shift fork position sensor 2 system Volt age high range out P1827 Shift fork position sensor 2 system Out put range out P1829 Shift fork position sensor 2 system Poor performance P183D Shift fork 2 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision 22C 152 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence
196. ION TC SST 22C 425 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C1614 Parking Brake Switch System Stuck ON Parking brake switch system circuit COMBINATION METER C 04 INTERFACE 2 af 5 6 71 8 9 to11 12 CIRCUIT 13 14 15 6 1 7 1811 9 20 27 22 23124 CPU ISA 234 O sle eTo Toft t t2 13 14 15 16 1 81920 PARKING BRAKE ji SWITCH oO 6 117 MU801211 AC803121AB Connector C 04 or ae Connectors C 21 C 117_ S AC802706AC A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines If the parking brake switch is on sticking the code is an incorrect diagnostic trouble code may be set set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that PR OPAPL CAUSES f the CAN bus lines are normal Parking brake switch malfunction e Damaged harness wires and connectors OPERATION Malfunction of the ETACS ECU Malfunction of the combination meter Malfunction of AWC ECU Driving with the parking brake pulled AWC ECU receives the parking brake switch signal from the combination meter via ETACS ECU TSB Revision 22C 426 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 S
197. ION SERVICE POINTS gt gt A lt lt MANUAL CONTROL SHAFT PLUG BOLT A CAUTION DN When installing bolt use magnetic tools to prevent them from falling out 1 Install the manual control shaft carefully and tighten the bolt to the specified torque Tightening torque 10 1 5 N m 89 8 in lb TSB Revision 22C 508 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST MECHATRONIC ASSEMBLY MANUAL CONTROL LEVER 2 Tighten the plug to the specified torque Tightening torque 32 2 N m 24 1 ft lb gt gt B lt lt GASKET A GASKET C MECHATRONIC ASSEMBLY INSTALLATION 1 As shown in the illustration fix the gasket to the transaxle case by pushing the gasket at the area to which the gasket dowel pin is inserted 2 Install the mechatronic assembly carefully and tighten the mechatronic assembly mounting bolts to the specified torque in the order of number shown in the figure Tightening torque 5 0 1 0 N m 44 8 in Ib 3 Tighten again the mechatronic assembly mounting bolts to the specified torque in the order of number shown in the figure Tightening torque 10 1 5 N m 89 8 in Ib TSB Revision
198. ISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC U0401 Engine Data Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when abnormality is detected in the an incorrect diagnostic trouble code may be signal received from the engine control module set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that es f the CAN bus lines are normal i THE CAN a une ip Caratia e Engine malfunction OPERATION e Malfunction of AWC ECU AWC ECU communicates with the engine control module via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool data list Check the following data list Refer to data list reference table P 22C 473 e Item No 15 Engine speed e Item No 16 Engine torque Driver request value Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Go to Step 4 STEP 4 C
199. In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1825 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1826 Shift Fork Position Sensor 2 System Voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 2 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 2 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1825 Shift fork position sensor 2 system Volt age low range out e P1827 Shift fork position sensor
200. L ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1624 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check other ACD diagnostic trouble code Refer to P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Check whether the DTC is reset Q Is DTC No C1624 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No C1624 set YES Return to Step 1 NO This diagnosis is complete DTC C1625 AWC Pressure Sensor System Power Supply Voltage Abnormality OPERATION AWC ECU monitors the AWC pressure sensor power supply voltage AWC PRESSURE SENSOR SYSTEM CIRCUIT Refer to P 22C 417 DTC SET CONDITIONS The code is set when the power supply voltage to the AWC pressure sensor is outside the specified value A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose
201. LOCK OFF position 2 Install the tip of key interlock cable to the lock cam pin of shift lever assembly using a caution not to twist the inner cable 3 Install the adjuster case with its lock guide pulled up unlocked 4 With the lock cam pin pushed in the direction B as shown in the figure to remove the slack from the key interlock cable Key inter lock cable securely lower the lock guide and lock it Lock cam pin Lock guide NOTE The lock position of the key interlock cable is auto ee a ae ao matically adjusted by a spring View A Lock guide Unlock et ool i ie V Spring Adjuster case AC900053AC gt gt C lt lt PULL RING INSTALLATION 1 With the A in the figure raised install the pull ring by turning it counterclockwise Pull ring Ke ALA AC902249AE TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST KEY INTERLOCK AND SHIFT LOCK MECHANISMS 22C 493 KEY INTERLOCK AND SHIFT LOCK MECHANISMS REMOVAL AND INSTALLATION M1225009800192 Pre removal Operation e Floor console bracket A and floor console side cover removal Refer to GROUP 52A Floor Console Assembly P 52A 9 Instrument panel cover lower removal lt Vehicles with instrument panel cover lower gt Refer to GROUP 52A Instrument Lower Panel P 52A 8 e Steering column lower cover removal Refer to GROUP 37 Steering Column Shaft P 37 36 e Foo
202. MENT CRITERIA DTE ET CONDON e Calculated pressure 2 000 hPa or more 5 sec Check Conditions onds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The calculated pressure remains 2 000 hPa or less Time since above engine condition 1 5 seconds or more e Clutch 2 even state Slip or engaged e Clutch shift pressure solenoid 2 Not OFF or not PROBABLE CAUSES in valve cleaning mode e Malfunction of TC SST ECU e Insufficient fluid level e Improper installation of mechatronic assembly DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A for 5 seconds TSB Revision 22C 120 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Carry out the Item No 3 Teach In Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 3 With the engine idle status check that the DTC is reset Q
203. MISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 seconds with the engine idle status check that the DTC is reset Q Is DTC No P186A set YES Replace the mechatronic assembly Refer to NO DTC P186B High side 3 system Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 3 circuit is normal DESCRIPTIONS OF MONITOR METHODS The high side 3 circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 e P0974 Shift select solenoid 1 system Short to power sup
204. Malfunction DTC SET CONDITIONS lt SHIFT FORK 2 CURRENT GEAR 5TH GEAR gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Input shaft 1 odd speed 500 r min or more e Shift fork 2 current gear 5th gear Monitoring condition met Yes Yes Continuous failure for 250 msec Yes AC710682 e Clutch 1 odd transmit torque 40 N m 30 ft lb or more e Requested shift fork Not shift fork 2 JUDGMENT CRITERIA e Shift fork 2 position 6 mm 0 24 inch or less 250 millisecond OBD II DRIVE CYCLE PATTERN lt SHIFT FORK 2 CURRENT GEAR 5TH GEAR gt The travel distance of the shift fork 2 remains 6 mm 0 24 inch or more for 250 millisecond TSB Revision 22C 156 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 2 current gear 3rd gear gt START Shift fork position gt 6 mm 0 24 inch Malfunction DTC SET CONDITIONS lt SHIFT FORK 2 CURRENT GEAR 3RD GEAR gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Input shaft 1 odd speed 500 r min or more e Shift fork 2 current gear 3rd gear e Clutch 1 odd transmit torque
205. N Not requested OFF Transmission temperature sensor Fluid temperature sensor Ignition switch ON The oil temperature is displayed Transmission temperature warning Fluid temperature warning Ignition switch ON When the oil temperature warning indicator is displayed ON When the oil temperature warning indicator is not displayed Drive mode SW Gear change mode Twin clutch SST control mode switch Gear change mode Ignition switch Drive mode Normal CITY Normal ON Drive mode Sport Ignition switch Shift lever position D SPORT Auto ON Shift lever position Manual mode TSB Revision Manual TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Display on scan tool Item name Check conditions 22C 359 Normal conditions Meter displayed Gear Meter displayed Gear Ignition switch ON Shift lever position P P Shift lever position R R Shift lever position N N Shift lever position D Driving at a constant speed in 1st D1 Driving at a constant speed in 2nd D2 Driving at a constant speed in 3rd D3 Driving at a constant speed in 4th D4 Driving at a constant speed in 5th D5 Driving at a constant speed in 6th Shift lever position Manual mode Driving at a constant speed in 1st Driving a
206. N Shift lever position Manual mode 1 V or less Shift lever position Other than above Taillight Turned ON Taillight Turned OFF Always Battery positive voltage Battery positive voltage 1 V or less Battery positive voltage Illumination ground Taillight Turned ON In accordance with the rheostat switch operation the voltage changes Taillight Turned OFF TSB Revision 1 V or less Connector number TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Terminal No DIAGNOSIS lt SHIFT LEVER gt Check items Check conditions 22C 393 Standard value C 49 2 1 Twin clutch SST control mode switch Normal Ignition switch ON Switch position Operate the switch toward the back of the vehicle and hold it 1 V or less Switch position Other than above Battery positive voltage Twin clutch SST control mode switch Sport Ignition switch ON Switch position Operate the switch toward the front of the vehicle and hold it 1 V or less Switch position Other than above Battery positive voltage Ground Always 1 V or less Illumination ground Taillight Turned ON In accordance with the rheostat switch operation the voltage changes Taillight Turned OFF 1 V or less Illumination power supply Taillight Turned ON Battery positive voltage Taill
207. N bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 84 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0971 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0973 Shift Select Solenoid 1 System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift select solenoid 1 circuit is determined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSI
208. N bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift select solenoid 1 circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision 22C 42 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met ee FET Field Effect Transistor No Yes Continuous failure for 1 sec Yes Malfunction AC710622 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 1 V or less for 1 e Voltage of battery 8 V or more second e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA l e Malfunction of TC SST ECU peer ene eh MANSIS Oulu ly Ormore e Malfunction of shift select solenoid 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I
209. N bus lines The code is set when AWC pressure sensor output an incorrect diagnostic trouble code may be voltage is 0 2 V or less set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that pecan en Andion the CAN bus li l af irae e Damaged harness wires and connectors OPERATION e Malfunction of AWC ECU AWC ECU controls the electric pump by the informa tion from AWC pressure sensor DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1611 set YES Go to Step 3 NO This diagnosis is complete STEP 3 AWC ECU connector intermediate connector AWC pressure sensor connector check C 51 D 11 F 27 Q Is the check result normal YES Go to Step 4 NO Repair the defective connector Then go to Step 7 STEP 4 Check the wiring harness between C 51 AWC ECU connector terminal No 7 and F 27 AWC pressure sensor connector terminal No 2 Check the output line for open or short circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness Then go to Step 7 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 419 DIAGNOSIS lt ACTIVE CENTER D
210. NIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 3rd gear check that the DTC is reset Q Is DTC No P1823 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool diagnostic trouble code for other systems Check if a shift fork and shift fork position sensor related diag nostic trouble code No other than P1823 is stored Q Is the DTC set YES Go to Step 5 NO Go to Step 4 STEP 4 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 5 STEP 5 Replace the mechatronic assembly and check if the DTC is reset After driving in the 3rd gear check that the DTC is reset Q Is DTC No P1823 set YES Replace the transaxle
211. NITOR EXECUTION e If there is any problem in the CAN bus lines e Continuous an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN MONITOR EXECUTION CONDITIONS bus lines OTHER MONITOR AND SENSOR e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool TC SST ECU checks that the clutch shift switching stuck solenoid 1 circuit is normal e P2736 Clutch shift switching solenoid 1 system Open circuit DESCRIPTIONS OF MONITOR METHODS e P2739 Clutch shift switching solenoid 1 system The clutch shift switching solenoid 1 circuit is deter Short to power supply mined to be short to ground e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 303 DIAGNOSIS lt TC SST gt Sensor The sensor below is determined to be normal e Not applicable LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 200 msec Yes Malfunction AC710662 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for Check Conditions 200 milliseconds e Voltage of battery 8 V
212. NITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Sensor The sensor below is determined to be normal Other Monitor There is no temporary DTC stored Clutch 1 pressure sensor in memory for the item monitored below e Clutch 2 pressure sensor e P0841 Clutch 1 pressure sensor system Poor APS e Shift lever ECU performance e P0842 Clutch 1 pressure sensor system Output low range out TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 327 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START er on No Monitoring condition met CAN communication ith ECM failed Malfunction AC710732 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions Receive the signal from ECM e Voltage of battery 10 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES e Time after TC SST ECU start 5 seconds or e The CAN bus line is defective more e ECM malfunction JUDGMENT CRITERIA e Malfunction of TC SST ECU e CAN communication with ECM Fail Immedi ately DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to
213. NOSIS lt TC SST gt DTC P187C Gear Block Reverse A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The engagement of the reverse gear is determined an incorrect diagnostic trouble code may be to be impossible set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that Dichans PERR ECU he CAN li l 7 hag pus ipes are noima e Malfunction of TC SST gear DIAGNOSTIC FUNCTION e Malfunction of clutch assembly TC SST ECU checks that the gear engagement is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P187C set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13
214. NOSTIC FUNCTION TC SST ECU checks that the clutch 2 pressure is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 259 DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset After 30 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1874 set YES Replace the clutch assembly Refer to GROUP 22D NO Transaxle P 22D 6 After replacing the clutch assembly go to Step 4 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset After 30 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1874 set YES Replace the mechatronic assembly
215. NSMISSION TC SST 22C 243 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met Yes No FET can t switched off Yes Continuous failure No for 12 sec Yes AC710727 OBD II DRIVE CYCLE PATTERN DTC SET CONDITIONS Check Conditions The FET switch remains OFF for 12 seconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES e High side 3 switch OFF e Malfunction of TC SST ECU JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched off 12 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 244 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No P186C set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermitten
216. OBABLE CAUSES e AWC switch malfunction e Malfunction of the ETACS ECU e Malfunction of the combination meter e Damaged harness wires and connectors Malfunction of AWC ECU TSB Revision 22C 467 22C 468 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Retest the system Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 3 STEP 3 Scan tool data list Item No 89 AWC switch Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 11 NO Goto Step 4 STEP 4 AWC switch check Check the AWC switch Refer to P 22C 520 Q Is the check result normal YES Go to Step 5 NO Replace the AWC switch Refer to P 22C 519 Then go to Step 13 STEP 5 Measure the voltage at C 50 AWC switch connector 1 Disconnect the connector and measure the voltage between terminal No 2 and ground at the harness side 2 Turn the ignition switch to the ON position OK Battery positive voltage Q Is the check result normal YES Go to Step 8
217. OINT 4 CONNECTOR 3 C 07 8 HARDHET uw 12 1 3 14 15 6 1 7 1 8 19 20 2 1 22 23 24 z3 ma 6 C 36 KA wu 11234 5 6 7 8 9 SF ae eee ma 21 AWC ECU C 51 AC807751 AB AC807552 BH TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 423 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Connectors C 309 C 317 Junction block A CAUTION e If there is any problem in the CAN bus lines e AWC ECU sends ACD control mode to the com bination meter via ETACS ECU an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN DTC SET CONDITIONS bus lines If the AWC switch is on sticking the code is set e Whenever the ECU is replaced ensure that the CAN bus lines are normal OPERATION e AWC ECU controls the driving mode by the infor mation from AWC switch PROBABLE CAUSES e AWC switch malfunction e Damaged harness wires and connectors e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1613 set YES Go to Step 3 NO This diagnosis is complet
218. ON TC SST 22C 85 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Nee FET output lt 100 mV Yes Continuous failure for 200 msec Yes Malfunction AC710623AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for Check Conditions 200 millisecond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA Z e FET Field Effect Transistor output 100 mV or eee We ee less 200 millisecond e Malfunction of shift select solenoid 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 86 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0973 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13
219. ONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2743 Fluid temperature sensor system Output high range out e P1808 TC SST ECU temperature fluid tempera ture sensor system Correlation error Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 307 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START e Fluid temperature lt 39 C 38 2 F Continuous failure for 400 msec Yes Malfunction AC710593AC DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The pa ye sae ce 39 C 38 2 F or e Voltage of battery 8 V or more MOTRE Eee e Voltage of battery 16 5 V or less PROBABLE CAUSES soar uate asa Malfunction of TC SST ECU e Fluid temperature 39 C 38 2 F or less 400 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 308 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN
220. OR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 73 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 300 msec Yes Malfunction AC710634AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The status with the current of the FET channel shunt f 3 5 A or less and with the FET channel output 100 e Voltage of battery 8 V or more V tin for 300 milliseconds e Voltage of battery 16 5 V or less MU ac a PROBABLE CAUSES JUDGMENT CRITERIA e Malfunction of TC SST ECU e FET Field Effect Transistor current 3 5 A or Malfunction of clutch cooling flow solenoid more and FET Field Effect Transistor output 100 mV or less 300 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembl
221. ORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 356 DATA LIST REFERENCE TABLE M1225006700174 Display on Item name Check conditions Normal scan tool conditions Engine torque control source Engine torque control status Engine Idling Idle control e Engine Idling e Accelerator pedal Depressed Driver request Brake SW Stoplight switch Ignition switch ON Brake pedal Depressed Brake pedal Released ON Lever position Shift lever position Ignition switch ON Shift lever position P P Shift lever position RP R P Shift lever position R R Shift lever position N amp R N R Shift lever position N Shift lever position D amp N N D N Shift lever position D D Shift lever position Manual mode Manual Shift lever position Upshift and hold Shift lever position Downshift and hold Current gear Ignition switch ON Shift lever position N Driving at a constant speed in 1st Driving at a constant speed in 2nd Driving at a constant speed in 3rd Driving at a constant speed in 4th Driving at a constant speed in 5th Driving at a constant speed in 6th Reverse Target gear Target gear Ignition switch ON Shift lever position N Driving at a constant speed in 1st Driving at a constant speed in 2nd Driving at a constant speed in 3rd
222. OSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor 5 Yes ene Yes Continuous failure for 220 msec Yes Malfunction AC710653 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions T Jm output remains 1 V or less for 220 e Voltage of battery 8 V or more Senne e Voltage of battery 16 5 V or less JUDGMENT CRITERIA PROBABLE CAUSES e Malfunction of TC SST ECU e al Praci Transistorn ouput tor mora e Malfunction of shift cooling switching solenoid 220 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 80 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0968 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunct
223. OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0715 Input shaft 1 odd number gear axle speed sensor system Output high range out e P0717 Input shaft 1 odd number gear axle speed sensor system Output low range out e P2766 Input shaft 2 even number gear axle speed sensor system Poor performance Sensor The sensor below is determined to be normal Input shaft 2 even number gear axle speed sen sor TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 31 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality gt START Yes v No Failure condition 1 Yes ee N Failure condition 2 Yes Continuous failure for 500 msec Malfunction AC710597 TSB Revision 22C 32 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality Failure condition 1 gt START Input shaft speed odd total gear ratio odd input shaft speed even total gear ratio even gt 100 r min No Input shaft speed total gear ratio output shaft speed gt 400 r min Yes Malfunction Failure condition 2 1 In case of input speed sensor A monitor this is speed of input shaft odd In case of input speed sensor B monitor this is speed of input shaft even 2 In ca
224. OUP 22D Transaxle P 22D 6 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 348 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 5 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 9 The vehicle does not creep with the D range R range manual mode COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES The foot brake or parking brake may be dragging Mechatronic assembly clutch assembly or transaxle assembly may have a problem NOTE If the fluid temperature is extremely high the creep is controlled slightly for slip control Drag of foot brake or parking brake Malfunction of the mechatronic assembly Malfunction of the clutch assembly Malfunction of the transaxle assembly DIAGNOSTIC PROCEDURE STEP 1 Inspect the foot brake or parking brake Check that the foot brake or parking brake is not dragging Q Is the check result normal YES Go to Step 2 NO Adjust the foot brake or parking brake STEP 2 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to
225. P 22C 505 2 Drive in the 6th gear 3 Check the DTC Q Is DTC No P1834 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 182 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1835 Shift Fork Position Sensor 4 System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 4 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 4 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1831 Shift fork position sensor 4 system Volt age low range out P1832 Shift fork position sensor 4 system Volt age high range out P1833 Shift fork position sensor 4 system Out put range out P1834 Shift fork position sensor 4 system Neu tral P184B Shift fork 4 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st
226. P187B Gear block 6th normal e P187C Gear block reverse e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position lt 0 128 V Yes Continuous failure for 160 msec Yes Malfunction AC710676 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The position sensor voltage remains 0 128 V or more for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA ae f e Malfunction of TC SST ECU Ne aa Oe lovee OESS ie ail e Malfunction of shift fork position sensor 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 130 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P1820 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the I
227. Pressure high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure is normal DESCRIPTIONS OF MONITOR METHODS The pressure of the clutch 1 is too high MONITOR EXECUTION e Continuous P 22C 497 This diagnosis is complete MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P1836 Shift fork 1 malfunction e P183D Shift fork 2 malfunction Sensor The sensor below is determined to be normal e Clutch 1 pressure sensor TSB Revision 22C 112 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 1 odd pressure 3 000 hPa or more gt START Monitoring condition met Calculated pressure lt 5 000 hPa Continuous failure for time required Malfunction Time required The time required for the Rationality high monitor depends on the transmissi
228. R MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply e P181E Clutch 2 Pressure low range out e P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch shift switching solenoid 1 TSB Revision 22C 316 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Clutch pressure gt 1 400 hPa Clutch pressure sensor change 0 Shift fork position sensor change 0 Continuous failure for 200 msec Yes Malfunction AC710660AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The status with the clutch 2 pressure 1 400 hPa or less or with the clutch 2 pressure sensor even and a Sa a shift fork position sensor 3 and 4 changed continues e Engine speed 650 r min or more tor a09 Milisgcond e Time
229. R MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P182A Shift fork position sensor 3 system Volt age low range out P182B Shift fork position sensor 3 system Volt age high range out P182D Shift fork position sensor 3 system Neu tral P182E Shift fork position sensor 3 system Poor performance P1844 Shift fork 3 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision 22C 164 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START No Monitoring condition met Yes Shift fork position No counter lt 500 Yes Continuous failure for 180 msec Yes Malfunction DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift system status Gear change mode during shift fork moving JUDGMENT CRITERIA e Shift fork 3 position counter digitized s
230. RR gt set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool data list Check the data list of the relevant wheel speed sensor Refer to P 22C 473 e Item No 22 Wheel speed sensor lt FL gt e Item No 23 Wheel speed sensor lt FR gt e Item No 24 Wheel speed sensor lt RL gt e Item No 25 Wheel speed sensor lt RR gt Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 DTC C1014 lt FL gt C101F lt FR gt C102A lt RL gt C1035 lt RR gt Wheel Speed Sensor System Characteristics Abnormality A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines If one or more of the wheel speed is out of the range an incorrect diagnostic trouble code may be of the specified value the diagnostic trouble code of set Prior to this diagnosis diagnose the CAN the relevant wheel speed sensor is set bus lines e Whenever the ECU is replaced ensure that PROBABLE CAUSES the CAN bus lines are normal e Malfunction of wheel speed sensor OPERATION e Damaged harness wires and connectors AWC ECU receives the wheel speed data from e Malfunc
231. Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1875 Damper Speed Sensor System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the damper closer to the engine than input shaft is normal DESCRIPTIONS OF MONITOR METHODS The damper speed sensor is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0715 Input shaft 1 odd number gear axle speed sensor system Output high range out e P0716 Input shaft 1 odd number gear axle speed sensor system Poor performance e P0717 Input shaft 1 odd number gear axle speed sensor system Output low range out e P2766 Input shaft 2 even number gear axle speed sensor system Poor performance Sensor The sensor below is determined to be normal e Input shaft 1 odd number gear axle speed sen sor e Input shaft 2 even number gear axle speed sen sor TSB Revision z TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 260 DIAGNOSIS lt TC SST gt LOGIC
232. Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 5 STEP 5 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 6th gear 3 Check the DTC Q Is DTC No P182D set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 169 DIAGNOSIS lt TC SST gt DTC P182E Shift Fork Position Sensor 3 System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 3 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 3 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P182A Shift fork pos
233. Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 TSB Revision 22C 466 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 2 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool diagnostic trouble code Check if the ACD diagnostic trouble code No C123C C1242 is set Refer to P 22C 397 Q Is the check result normal YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool data list Check the data list below Refer to P 22C 473 e Item No 26 Yaw rate sensor e Item No 29 Lateral G sensor e Item No 31 Longitudinal G sensor Q Is the check result normal YES Go to Step 5 NO Replace the G and yaw rate sensor Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 Then go to Step 6 STEP 5 Check whether the DTC is reset Q Is DTC No U1428 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 6 Check whether the DTC is reset Q Is DTC No U1428 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTI
234. S Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 5 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 354 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 16 The vehicle moves with the N range on the level ground COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES The mechatronic assembly or clutch assembly may e Malfunction of the mechatronic assembly have a problem e Malfunction of the clutch assembly DIAGNOSTIC PROCEDURE STEP 1 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 2 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 2 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 17 Judder noise vibration COMMENTS ON TROUBLE SYMPTOM ae flaw wear looseness Fluid may be insufficient or contaminated Mecha a Tire tronic assembly or clutch assembly may have a prob Interference of the drive system and body lem e Suspension malfunction looseness NOTE The following items can become a cause of the probable causes othe
235. S adjusted value Ignition switch 15 15 deg Lateral G sensor adjusted value Ignition switch 4 7 1 7 m s Longitudinal G adjusted value Ignition switch 3 3 m s Chassis Number writing counter Ignition switch Writing count Chassis Number original lock Mileage counter Ignition switch Locked Lock Unlocked Ignition switch Unlock Counter value Coding counter Ignition switch TSB Revision Coding count 22C 476 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt SPECIAL FUNCTION REFERENCE TABLE ACTUATOR TEST TABLE Check items Test content M1221011300136 Normal conditions Air bleeding lt ACD gt According to the steering angle of steering wheel energize the proportioning valve and operate the proportioning valve for 5 minutes No air comes out from the bleeder screw established to the transfer Oil level check Operate the direction valve to left and right for 20 seconds Oil level of reservoir tank is adequate Electric pump operation Operate the electric pump for 3 seconds Operating sound of the electric pump can be heard ACD operation check Operate the proportioning valve lt ACD gt for 1 minute and supply the maximum hydraulic pressure to the multiplate clutch The tight corner braking phenomenon occurs Co
236. SION TC SST DIAGNOSIS lt TC SST gt DTC P1872 Between shift lever and TC SST system Q A function abnormality A CAUTION DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the shift lever ECU is nor an incorrect diagnostic trouble code may be mal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The shift lever ECU is determined to be abnormal the CAN bus lines are normal PROBABLE CAUSES e Malfunction of the shift lever ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the shift lever diagnostic trouble code Refer to P 22C 366 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Replace the shift lever assembly and check if the diagnostic trouble code is reset 1 Replace the shift lever assembly Refer to P 22C 48
237. SIS lt TC SST gt DIAGNOSIS FUNCTION M1225000500235 WARNING INDICATOR When a malfunction occurs in the TC SST system the figure asc 0 OFF oy Be AAR TA j A remains displayed on the information screen of multi infor mation display eens If the figure A remains displayed on the information screen of neal REQUIRED multi information display check whether or not a diagnostic 3210 0 J B trouble code is set 287654 NOTE When the figure B is displayed on the information p F SLOW DOWN screen of multi information display the transmission fluid tem oae Ba i N 7 A perature is high Ta AC710447AC FAIL SAFE FUNCTION If an abnormality occurs to the signal of sensors switches solenoids or others TC SST ECU per forms a control for the driver safety and system pro tection The control contents are as follows FAIL SAFE REFERENCE TABLE Diagnostic trouble code Control content P1806 P185D Clutch open prohibits the vehicle from driving and displays an occurrence of P1807 P1866 trouble to the multi information display to warn the driver P1857 P1868 P1858 P1872 Continues driving with the current gear fixed and an occurrence of trouble is displayed to the multi information display to warn the driver Drives with the odd number gear axle 1st 3rd 5th gear or with the even gear axle 2nd 4th 6th gear and an occurrence of trouble is displayed to
238. SMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset After driving in the 4th gear check that the DTC is reset Q Is DTC No P2812 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2814 Clutch Shift Switching Solenoid 2 System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 2 circuit is deter mined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit
239. START Yes Calculated input shaft speed lt 40 r min Yes Continuous failure for 500 msec Yes Malfunction AC711383AC JUDGMENT CRITERIA DTC SET CONDITIONS e Calculated speed 40 r min or less 500 millisec Check Conditions ond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The calculated speed remains 40 r min or more for Time since above engine condition 1 5 seconds or more 500 millisecond Input shaft 1 odd speed 500 r min or more e Input shaft 2 even speed 500 r min or more PROBABLE CAUSES e Shift fork 2 position Neutral e Malfunction of TC SST ECU e Input shaft 2 even gear Engaged e Malfunction of shift fork position sensor 2 e Engine speed input shaft 2 speed 50 r min or less DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 153 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether
240. STEP 4 Electric pump relay check Check the electric pump relay Refer to P 22C 519 Q Is the check result normal YES Go to Step 5 NO Replace the electric pump relay Refer to P 22C 519 Then go to Step 9 STEP 5 Electric pump relay connector AWC ECU connector check A 22X C 51 Q Is the check result normal YES Go to Step 6 NO Repair the defective connector Then go to Step 9 STEP 6 Check the wiring harness between A 22X electric pump relay connector terminal No 3 and C 51 AWC ECU connector terminal No 20 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 7 NO Check C 31 intermediate connector When no problem is found repair the wiring harness Then go to Step 9 STEP 7 Check the wiring harness between A 22X electric pump relay connector terminal No 1 and body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness Then go to Step 9 STEP 8 Check whether the DTC is reset Q Is DTC No C161D set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 9 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 9 Check whether the DTC is reset Q Is DTC No C161D set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 438 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST
241. Scan tool item execution To complete each Teach In operation multiple items must be executed using scan tool MB991958 and those items shall be executed in a designated order 2 1 SCAN TOOL ITEM LIST Scan tool Item Name Plausibility check Shift fork Teach In Line pressure Test Stroke Teach In Boost Teach In Interlock Teach In Clutch Ventilation Reset clutch gain CO NI O Gy A OI NM gt NOTE e Item No 3 and No 6 are displayed on the scan tool however those are not used e Item No 8 is not displayed when the Diag Version of TC SST ECU is pre 0002 Diag Version can be checked by the Teach In screen of scan tool 2 2 ITEM EXECUTION ORDER Type Teach in Item execution order A Teach In for Shift fork No 7 No 1 No 2 B Teach In for Clutch No 7 No 4 No 5 gt No 8 NOTE Item No 8 is not displayed when the Diag Version of TC SST ECU is pre 0002 Diag Version can be checked by the Teach In screen of scan tool 3 Confirmation of Teach In operation status Using the data list simultaneously displayed with Teach In the execution status and results can be confirmed Data List Item Name Scan tool display Teach In executing No Pending Yes Normal End No Yes Abnormal End No Yes Timeout error No Yes Abort conditions error No Yes Execute last Teach In item The previously conducted scan tool item name is displayed Internal Error Data The
242. Sequence Monitoring condition met Yes No FET output lt 100 mV Yes Continuous failure or 12 sec Yes FET Field Effect Transistor No Malfunction AC710631 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 100 mV or more for e Voltage of battery 8 V or more Te saconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 100 mV or less 12 seconds PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of line pressure solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 68 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0962 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0963 Line Pressure Solenoid System
243. Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the line pressure solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The line pressure solenoid circuit is determined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0746 Line pressure solenoid system Drive cur rent range out e P0960 Line pressure solenoid system Open cir cuit e P0961 Line pressure solenoid system Overvolt age e P0962 Line pressure solenoid system Short to ground Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 69 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence seas FET Field Effect Transistor Po 225 N Yes FET output gt Battery voltage 2 V Yes Continuous failure N for 1 sec Yes Malfunction AC710632 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains Battery voltage 2 V or less for 1 second e Voltage of bat
244. Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 3rd gear and 5th gear 3 Check that the DTC is reset Q Is DTC No P1886 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 279 DIAGNOSIS lt TC SST gt STEP 3 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive with shifted in the 3rd gear and 5th gear 3 Check the DTC Q Is DTC No P1886 set YES Replace the transaxle assembly Refer to NO DTC P1887 SHIFT FORK 3 JUMP OUT A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 3 is normal P 22C 497 This diagnosis is complete DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 3 is determined to be abnormal PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork e Malfunction
245. T TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt DTC P198D EEPROM System A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DTC P198E 198F Lever Position Sensor System A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that OPERATION The shift lever ECU checks that EEPROM or RAM is normal DTC SET CONDITIONS The EEPROM writing data is determined to be abnormal PROBABLE CAUSES e Malfunction of the shift lever ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P198D set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How the CAN bus lines are normal OPERATION The shift lever ECU has lever position sensors and checks for abnormality to Cope with Intermittent Malfunction P 00
246. TC No C2101 set YES Go to Step 3 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 449 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Battery terminal check Check that the battery terminal is not loose Q Is the check result normal YES Go to Step 5 NO Securely install the battery terminal Then go to Step 5 STEP 5 Check the charging system Refer to GROUP 16 Charging System P 16 8 Q Is the check result normal YES Go to Step 6 NO Repair or replace the charging system component s STEP 6 Check the battery Refer to GROUP 54A Battery Test P 54A 8 Q Is the check result normal YES Go to Step 7 NO Replace the battery Then go to Step 7 STEP 7 Voltage measurement at C 51 AWC ECU connector Disconnect the connector and measure the voltage between terminal No 12 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 11 NO Goto Step 8 STEP 8 AWC ECU connector ETACS ECU connector intermediate connector check C 51 C 315 C 35 Q Is the check result normal YES Go to Step 9 NO Repair the defective connector Then go to Step 12 S
247. TC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P0717 set YES Replace the mechatronic assembly Refer to NO DTC P0725 Engine speed signal abnormality A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU receives the periodic communication data from the engine control module via the CAN bus lines and checks the data for abnormality P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DESCRIPTIONS OF MONITOR METHODS The engine speed signal from the engine control module is determined to be abnormal PROBABLE CAUSES e The CAN bus line is defective e Malfunction of crankshaft position sensor e Malfunction of engine control module e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C
248. TCH SST CONTROL MODE SWITCH A CAUTION During the hydraulic pressure check fill the fluid so that the fluid constantly remains in the oil reservoir 8 Check that the generated hydraulic pressure of the hydraulic unit is within the standard value Standard valve 0 9 1 1 MPa 130 159 psi 9 If the measured value exceeds the standard value replace the hydraulic unit 10 After applying oil to the flare nut thread of ACD pressure tube assembly connect the assembly to the hydraulic unit then tighten to the specified torque Tightening torque 26 4 N m 19 3 ft lb 11 Perform the air bleeding Refer to P 22C 484 TWIN CLUTCH SST CONTROL MODE SWITCH REMOVAL AND INSTALLATION seni AC710482AB Removal steps 1 Floor console panel assembly Refer to GROUP 52A Floor Console Assembly P 52A 9 2 Twinclutch SST control mode switch TSB Revision 22C 488 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSMISSION CONTROL INSPECTION TWIN CLUTCH SST CONTROL MODE SWITCH CHECK 1 Check the continuity between the connector terminals of twin clutch SST control mode switch KAS Twin clutch SST control A o N mode switch UO ER AC708087AD M1225009100104 Terminal Switch position Continuity number 2 3 Operate to direction A Yes 2 Qor then hold less Other than above Not present 1 3 Operate to direction B Yes 2 Qor the
249. TEP 9 Check the wiring harness between C 51 AWC ECUconnector terminal No 12 and C 315 ETACS ECU connector terminal No 4 Check the power supply line for short circuit Q Is the check result normal YES Go to Step 10 NO Check C 35 intermediate connector When no problem is found repair the wiring harness Then go to Step 12 TSB Revision 22C 450 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 10 Scan tool data list Item No 43 Battery voltage Refer to data list reference table P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 12 STEP 11 Scan tool data list Item No 43 Battery voltage Refer to data list reference table P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 12 STEP 12 Check whether the DTC is reset Q Is DTC No C2101 set YES Return to Step 1 NO This diagnosis is complete DTC C2203 VIN not Recorded A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines When the chassis number is not written an incorrect diagnostic trouble code may be
250. TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 509 TRANG AY C CACCE NI SEAL A CAUTION When installing bolt use magnetic tools to prevent them from falling out 4 Tighten the bolts to the specified torque Tightening torque 6 0 1 0 N m 53 8 in lb 5 Install the connector TRANSAXLE CASE OIL SEAL REMOVAL AND INSTALLATION M1225029000206 Pre removal Operation Post installation Operation e Transmission Fluid Draining Refer to P 22C 479 e Transmission Fluid Refilling Refer to P 22C 479 e Transmission Fluid Level Check Refer to P 22C 478 Transaxle assembly Sx 8 bly gt LY Transfer r assembly Grease Molykote BR2 Plus AC901630AC Transaxle case oil seal LH Transaxle case oil seal RH removal steps removal steps e Front driveshaft assembly e Transfer assembly Refer to LH Refer to GROUP 26 P 22C 495 Driveshaft assembly gt gt B lt lt 2 Vring P 26 21 lt lt A gt gt gt gt A lt lt 3 Transaxle case oil seal RH lt lt A gt gt gt gt C lt lt 1 Transaxle case oil seal LH Required Special Tools e MB992310 Oil seal installer e MB992313 Oil seal guide e MB992311 Oil seal guide e MB992314 V ring guide e MB992312 Oil seal installer TSB Revision 22C 510 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION T
251. Time out Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when the signal sent from an incorrect diagnostic trouble code may be ETACS ECU cannot be received for a certain period set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that me f 5 The CAN bus line is defective l the CAN bus lines are normia e Malfunction of the ETACS ECU OPERATION e Malfunction of AWC ECU AWC ECU communicates with the ETACS ECU via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0141 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset Q Is DTC No U0141 set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 458 TWIN CLUTCH SPORTRONIC SHIFT TRANSM
252. Transaxle assembly connector connection TSB Revision 22C 504 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 7 AC807528AC OIL PAN REMOVAL SERVICE POINTS lt lt A gt gt TRANSAXLE ASSEMBLY CONNECTOR DISCONNECTION Rotate the section A of the connector 90 to the direction of the arrow to disconnect the connector lt lt B gt gt OIL PAN ASSEMBLY REMOVAL A CAUTION When removing the oil pan assembly pay attention to avoid damage to the connector and the O ring between the oil pan assembly and the connector INSTALLATION SERVICE POINTS gt gt A lt lt OIL PAN ASSEMBLY INSTALLATION 1 Completely degrease the oil pan assembly installation surface on the transaxle side 2 Remove the gasket from the oil pan assembly and completely degrease the groove of the oil pan assembly gasket installation area and the gasket Then install the gasket to the groove of the oil pan assembly A CAUTION When installing the oil pan assembly pay attention to avoid damage to the connector and the O ring installed to the connector 3 Tighten the screws to the specified torque in the order shown in the figure Tightening torque 10 1 N m 89 8 in Ib gt gt B lt lt TRANSMISSION FLUID REFILLING A CAUTION e If the oil pan assembly and the internal components
253. Transistor output Battery volt age 2 V or more 160 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 88 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P0974 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0976 Shift Select Solenoid 2 System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The
254. V or less PROBABLE CAUSES e High side 1 switch OFF e Malfunction of TC SST ECU JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched off 12 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 232 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1864 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1866 High side 2 system Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 2 circuit is no
255. VE CENTER DIFFERENTIAL ACD gt SYMPTOM PROCEDURES INSPECTION PROCEDURE 1 Communication between the scan tool and AWC ECU cannot be established A CAUTION e If there is any problem in the CAN bus lines an incorrect trouble symptom may occur Prior to this diagnosis always diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal COMMENTS ON TROUBLE SYMPTOM CAN bus line AWC ECU power supply circuit or AWC ECU may have a problem PROBABLE CAUSES e Wrong scan tool wiring harness e The CAN bus line is defective e AWC ECU power supply circuit malfunction e Malfunction of AWC ECU e ECU malfunction of other system DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Check repair the AWC ECU power supply circuit Refer to P 22C 470 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 INSPECTION PROCEDURE 2 Mode does not change even when the AWC switch is pressed AWC MODE SELECT SWITCH SYSTEM CIRCUIT Refer to P 22C 422 A CAUTION e If there is any problem in the CAN bus lines an incorrect trouble symptom may occur Prior to this diagnosis always diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal COMMENTS ON TROUBLE SYMPTOM AWC switch or AWC ECU may have a problem PR
256. able TSB Revision 22C 134 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START No Monitoring condition met Yes Shift fork position No counter lt 500 Yes Continuous failure for 180 msec Yes Malfunction DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Shift system status Gear change mode during shift fork moving JUDGMENT CRITERIA e Shift fork 1 position counter digitized sensor value 500 counts or less or shift fork 1 position counter digitized sensor value 500 counts or more 180 millisecond Shift fork position counter gt 500 No Yes AC710681 OBD II DRIVE CYCLE PATTERN The status with the shift fork 1 position counter digi tized sensor value 500 counts or more or with the shift fork 1 position counter digitized sensor value 500 counts or less continues for 180 milliseconds PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 135 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface
257. agnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 76 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0966 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0967 Clutch Cooling Flow Solenoid System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch cooling flow solenoid circuit is determined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open
258. ain Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 181 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 6th gear check that the DTC is reset Q ls DTC No P1834 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool diagnostic trouble code for other systems Check if a shift fork and shift fork position sensor related diag nostic trouble code No other than P1834 is stored Q Is the DTC set YES Go to Step 5 NO Go to Step 4 STEP 4 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 5 STEP 5 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to
259. alfunction P 00 13 DTC P1807 Shift Fork Position Sensor 3 and 4 System Power supply voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the supply voltage to the shift fork position sensor 3 and 4 is normal DESCRIPTIONS OF MONITOR METHODS The supply voltage to the shift fork position sensor 3 and 4 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P182A Shift fork position sensor 3 system Volt age low range out e P182B Shift fork position sensor 3 system Volt age high range out e P182C Shift fork position sensor 3 system Out put range out e P182E Shift fork position sensor 3 system Poor performance e P1831 Shift fork position sensor 4 system Volt age low range out e P1832 Shift fork position sensor 4 system Volt age high range out e P1833 Shift fork position sensor 4 system Out put range out e P1835 Shift fork position sensor 4 system Poor performance P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction P1844 Shift fork 3 malfunction P184B Shift fork 4 malfunction
260. aoe e Twin clutch SST control mode switch malfunction e Malfunction of TC SST ECU DIAGNOSTIC FUNCTION TC SST ECU checks that the twin clutch SST control mode switch is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P1881 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Twin clutch SST control mode switch check Refer to P 22C 519 Q Is the check result normal YES Go to Step 4 NO Replace the twin clutch SST control mode switch Refer to P 22C 519 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 277 DTC P1885 SHIFT FORK 1 JUMP OUT A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be DIAGNOSIS lt TC SST gt STEP 4 Shift lever assembl
261. assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 139 DIAGNOSIS lt TC SST gt DTC P1824 Shift Fork Position Sensor 1 System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 1 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 1 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1820 Shift fork position sensor 1 system Volt age low range out P1821 Shift fork position sensor 1 system Volt age high range out P1822 Shift fork position sensor 1 system Out put range out P1823 Shift fork position sensor 1 system Neu tral P1836 Shift fork 1 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th
262. at the DTC is reset Q Is DTC No P186E set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P186F High side 3 system Voltage low range out A CAUTION MONITOR EXECUTION e If there is any problem in the CAN bus lines e Continuous an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN MONITOR EXECUTION CONDITIONS bus lines OTHER MONITOR AND SENSOR e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0753 Shift select solenoid 1 system Open cir TC SST ECU checks that the high side 3 circuit is cuit normal e P0973 Shift select solenoid 1 system Short to ground DESCRIPTIONS OF MONITOR METHODS e P0974 Shift select solenoid 1 system Short to The voltage of the high side 3 circuit is determined to power supply be too low e P2727 Clutch shift pressure solenoid 2 system Open circuit TSB Revision LOGIC FLOW CHARTS Monitor Sequence START TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 249 DIAGNOSIS lt TC SST gt P2728 Clutch shift pressure solenoid 2 system Overcurrent P2729 Clutch shift pressure solenoid 2 system Short to ground P2730 Clutch shift pressure soleno
263. at the V ring is installed securely TSB Revision 22C 512 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSAXLE CASE OIL SEAL gt gt C lt lt TRANSAXLE CASE OIL SEAL LH INSTALLATION 1 Apply the transaxle oil to the oil seal guide special tool MB992311 Insert the oil seal to oil seal guide special tool MB992311 2 Use special tool oil seal installer special tool MB992310 to install the oil seal to the transaxle case K802288AC TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST OIL COOLER 22C 51 3 OIL COOLER REMOVAL AND INSTALLATION A CAUTION Do not refill the fluid when replacing the transaxle assembly and the oil cooler with new ones at the same time NOTE The new transaxle assembly is filled with 7 6 dm 8 0 qt of the fluid including the oil cooler The transaxle assembly has a sealed structure and the fluid does not drain out from parts other than the oil cooler hose M1225010400336 Pre removal and Post installation Operation Front bumper and radiator grille assembly removal and installation Refer to GROUP 51 Front Bumper and Radiator Grille Assembly P 51 5 9 5 3 5N m 9 5 3 5N m 84 31 in lb 9 5 3 5N m 84 31 in Ib AC705841AJ Removal steps Removal steps Continued gt gt A lt lt e Transmission fluid draining and 4 Oil cooler assembly refilling Refer to P 22C 479
264. attery voltage Refer to data list reference table P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 13 STEP 13 Check whether the DTC is reset Q Is DTC No C2100 set YES Return to Step 1 NO This diagnosis is complete DTC C2101 Battery Voltage Malfunction High Voltage POWER SUPPLY SYSTEM CIRCUIT DTC SET CONDITIONS Refer to P 22C 445 The code is set when the AWC ECU power supply voltage and solenoid valve power supply voltage are A CAUTION 18 V or more e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be PROBABLE CAUSES set Prior to this diagnosis diagnose the CAN Loose battery terminal bus lines Defective battery e Whenever the ECU is replaced ensure that Charging system failed the CAN bus lines are normal Malfunction of the ETACS ECU OPERATION Damaged harness wires and connectors Malfunction of AWC ECU AWC ECU power supply is provided from the battery via ETACS ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is D
265. be normal e Not applicable TSB Revision 22C 194 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check blocked gt START Malfunction DTC SET CONDITIONS lt FUNCTIONAL CHECK BLOCKED gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more Common high side 1 voltage 7 V or more e Common high side 2 voltage 7 V or more Judgment Criteria u 1 Until completion of initial shift fork action 25 e 2 After completion of initial shift fork action 20 4 Maximum allowed time sec a 20 20 32 68 248 Fluid temperature C F 40 4 Yes Yes AC710675 Coefficient i 4 000 8 000 Line pressure hPa 16 000 AC710826 AC e Shift fork operation time Shift fork operation time threshold value or more immediately e Shift fork operation time threshold value Equal the maximum allowed time x Coefficient imme diately OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK BLOCKED gt The shift fork operation time is threshold value or less TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 195 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence
266. below e P182A Shift fork position sensor 3 system Volt age low range out e P182B Shift fork position sensor 3 system Volt age high range out e P182C Shift fork position sensor 3 system Out put range out e P182E Shift fork position sensor 3 system Poor performance e P1831 Shift fork position sensor 4 system Volt age low range out e P1832 Shift fork position sensor 4 system Volt age high range out e P1833 Shift fork position sensor 4 system Out put range out e P1835 Shift fork position sensor 4 system Poor performance P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction P1844 Shift fork 3 malfunction P184B Shift fork 4 malfunction P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal e Shift fork position sensor 3 e Shift fork position sensor 4 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 103 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor supply lt 3 07 V Yes Continuous failure for 140 msec Yes Malfunction AC710669 DTC
267. bility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 6th gear 3 Check the DTC Q Is DTC No P182C set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 166 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P182D Shift Fork Position Sensor 3 System Neutral A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 3 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 3 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item
268. ble Codes 9 If a DTC is not set again the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunction P 00 13 10 Verify malfunction is eliminated After repairs are completed the complaint conditions to confirm the malfunction has been eliminated e The size of tire and wheel specification tire pres sure balance and wear status are normal e The wheel alignment is normal e No modifications to the engine suspension or others which can affect the ACD system is implemented M1221007700186 WARNING INDICATOR When a malfunction occurs in the ACD system the figure A will be displayed on the information screen of multi information display and the mode display B will be turned off e A Subsequently the screen returns to the one before the warning a A display and then indicator C will illuminate E 3210 0 Jj If the indicator C continues to be displayed on the information 2 987654 seRVICE uire screen of multi information display check the diagnostic trouble code that is set r AC710447AB FAIL SAFE FUNCTION If an abnormality occurs to the signal of sensors switches solenoids or others the AWC ECU per forms a control for the driver safety and system pro tection The control contents are as follows
269. bleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 174 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P1831 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1831 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1832 Shift Fork Position Sensor 4 System Voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal
270. blocked immediately MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable AC710729 OBD II DRIVE CYCLE PATTERN The 3rd gear is engaged PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 267 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 3rd gear 3 Check that the DTC is reset Q Is DTC No P1878 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Specia
271. bly Refer to P 22C 497 NO This diagnosis is complete DTC P184B Shift Fork 4 Malfunction A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 4 is normal DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 4 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1844 Shift fork 3 malfunction Sensor The sensor below is determined to be normal e Not applicable LOGIC FLOW CHARTS Monitor Sequence lt Functional check blocked gt START Malfunction Monitoring condition met Malfunction criteria met AC710675 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 209 DTC SET CONDITIONS lt FUNCTIONAL CHECK BLOCKED gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Common high side 1 voltage 7 V or more Common high side 3 voltage 7 V or more JUDGMENT CRITERIA
272. bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 6th gear 3 Check that the DTC is reset Q Is DTC No P187B set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 Drive with shifted in the 6th gear 3 Check the DTC Q Is DTC No P187B set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision x TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 274 DIAG
273. calibrate the steering wheel sensor Refer to PROBABLE CAUSES GROUP 35C On vehicle Service P 35C 304 The CAN bus line is defective and initialize the steering angle correction Malfunction of steering wheel E amount stored in AWC ECU Item No 1 e Malfunction of AWC ECU Steering angle correction amount initializa tion P 22C 476 DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool data list Item No 11 Steering wheel sensor Refer to data list reference table P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0126 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 457 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U0126 set YES Return to Step 1 NO This diagnosis is complete DTC U0141 ETACS
274. can tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1614 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool data list Item 40 Parking brake switch Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 9 NO Go to Step 4 STEP 4 Scan tool diagnostic trouble code e Check whether the combination meter related DTC is set Refer to GROUP 54A Troubleshooting P 54A 33 e Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 5 STEP 5 Check the parking brake switch Check the parking brake switch Refer to GROUP 36 On vehicle Service P 36 10 Q Is the check result normal YES Go to Step 6 NO Replace the parking brake switch Refer to GROUP 36 Parking Brake Lever P 36 11 Then go to Step 9 STEP 6 Combination meter connector intermediate connector and parking brake switch connector check C 04 C 21 C 117 Check the contact status of the terminals Q Is the check result normal YES Go to Step 7 NO Repair the defective connector Then go to Step 9 TSB R
275. ced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch cooling flow solenoid circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 71 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes Yes Continuous failure for 180 msec Yes Malfunction AC710636 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 1 V or less for 180 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 1 V or more 180 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfun
276. ck Conditions e Voltage of battery 8 V or more for 160 milliseconds e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA aa e Malfunction of TC SST ECU POIL Sensor VONAGE SOUE V prior 160 e Malfunction of shift fork position sensor 4 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 176 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P1832 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace
277. ck whether the DTC is reset Q Is DTC No C161C set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 8 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 8 Check whether the DTC is reset Q Is DTC No C161C set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 435 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C161D Electric Pump Relay System Faulty Circuit AWC pump relay circuit system circuit FUSIBLE LINK 5 AWC ECU J C 51 TEE 1 2 314 516171819 lot 12 13 H lt 20 blislistinratiazozizaparazs ze o a o 20 C 39 ira 1 By Terme 9 roltiliarsraren grassed 99 5 oc J ELECTRIC OU Ate ee ee ee PUMP RELAY S RED RED WHITE N gt S J a BFE Op BLACK a N l N PO YTI gt lt ELECTRIC W PUMP F 29 BLACK BLACK AC803124 AB Connector A 22X I a esa o oq an Rie Ws GREE C j zl x i a O Ll gt O gt ee i A i ah AC802926 AF NSS ne8027078E TSB Revision 22C 436 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC
278. cond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO STEP 2 Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 162 No 178 No 186 or No 187 is set Q Which monitoring unit is set No 162 No 178 No 186 or No 187 No 162 Go to Step 4 Other than No 162 Go to Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 207 DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P1844 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 Drive in the 6th gear 3 Check that the DTC is
279. ction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Repair the wiring harness TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 379 DIAGNOSIS lt SHIFT LEVER gt STEP 8 Measure the voltage at F 08 back up light RH connector and F 17 back up light LH connector 1 Disconnect the connector and measure the voltage between the connector terminal No 2 and ground at the wiring harness side 2 Turn the ignition switch to the ON position 3 Place the shift lever to the R range OK Battery positive voltage Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 9 STEP 9 Inspection of J C 4 intermediate connector shift lever assembly connector ETACS ECU connector and back up light connector C 38 C 39 C 49 C 304 C 311 C 313 D 14 F 08 F 17 F 31 Check for the contact with the connector terminals Q Is the check result normal YES Go to Step 10 NO Repair the defective connector STEP 10 Check the wiring harness between F 08 back up light RH connector terminal No 2 and C 311 ETACS ECU connector terminal No 2 and between F 17 back up light RH connector terminal No 2 and C 311 ETACS ECU connector terminal No 2 Check the power supply line for open or short circuit Q Is the check result normal YES Go to Step 11 NO Repair the wiri
280. ction Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 7 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 193 DIAGNOSIS lt TC SST gt STEP 7 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check the DTC Q Is DTC No P1836 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P183D Shift Fork 2 Malfunction A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 2 is normal DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 2 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1836 Shift fork 1 malfunction Sensor The sensor below is determined to
281. ction of clutch cooling flow solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 72 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0964 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0965 Clutch Cooling Flow Solenoid System Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The supply current to the clutch cooling flow solenoid is determined to be overcurrent MONITOR EXECUTION e Continuous MONIT
282. d TSB Revision 22C 190 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 1 requested but shift fork 2 movement gt START Monitoring condition met Shift fork 2 position lt 6 mm 0 24 inch Shift fork 2 position 3rd gear side Shift fork 2 position lt 6 mm 0 24 inch Shift fork 2 position neutral position Yes Shift fork 2 position No gt 1 8 mm 0 071 inch Yes Initialized fork position shift fork 1 position lt 2 5 mm 0 098 inch No Yes No Continuous failure for 200 msec Yes Malfunction ee AC710688 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 191 DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 1 REQUESTED BUT SHIFT FORK 2 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more Requested shift fork Shift fork 1 JUDGMENT CRITERIA e Shift fork position 6 mm 0 24 inch 5th gear side or less or 6 mm 9 24 inch 3rd gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 1 position 2 5 mm 0 098 inch or less 200 milli second OBD I
283. d On normal end Yes is displayed e No 102 Abnormal End On abnormal end Yes is displayed e No 103 Timeout error On timeout error Yes is displayed e No 104 Abort conditions error In a case other than the execution conditions Yes is displayed Change the item to No 1 Plausibility check and execute steps from 4 to 6 in the same manner Change the item to No 2 Shift fork Teach In and execute steps from 4 to 6 in the same manner Turn the ignition switch to the LOCK OFF position Change the item to No 7 Clutch Ventilation and execute steps from 4 to 6 in the same manner Change the item to No 4 Stroke Teach In and execute steps from 4 to 6 in the same manner A CAUTION Be careful with the following item when performing Item No 5 Boost Teach In The engine speed could be high 4 000 r min when the Boost Teach in is in progress Depending on the transaxle state the engine speed may not be high Change the item to No 5 Boost Teach In and execute steps from 4 to 6 in the same manner Change the item to No 8 Reset clutch gain and execute steps from 4 to 6 in the same manner Turn the ignition switch to the LOCK OFF position lt CLUTCH ASSEMBLY REPLACEMENT gt Contents Execute the mechatronic assembly replacement procedures form 1 to 3 and from 10 to 14 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 11 DIAGNO
284. d Effect Transistor output 100 mV or less 1 second DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 236 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P1867 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1868 High side 2 system Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The high side 2 circuit is determine
285. d by the tight corner braking phenomenon will dif fer depending on the conditions of tire and road surface If the tight corner braking phenomenon does not occur the system may have an abnormality Therefore check the hydraulic pressure HYDRAULIC PRESSURE CHECK M1225009000118 1 Remove the rear wheel RH then remove the rear wheel splash shield Refer to GROUP 42A Splash shield P 42A 13 2 Raise the vehicle 3 Disconnect the hydraulic unit from the ACD pressure tube assembly Then connect the special tool below to the hydraulic unit side e Hose adapter MB991705 e Oil pressure gauge MD998330 4 Bleed the system Refer to P 22C 484 A CAUTION pS Before connecting or disconnecting scan tool always turn ime To the ignition switch to the LOCK OFF position Ac8o1552AC 5 Connect scan tool to the data link connector Refer to P 22C 394 6 Turn the ignition switch to the ON position 7 Perform the actuator test item No 05 of scan tool to forcibly activate ACD NOTE e The forced activation item No 05 ACD operation check mode is continued for 1 minute then it will be cancelled automatically Also using the clear key on the scan tool the activation can be forcibly cancelled e When the ACD functions are stopped due to the fail safe the forced activation cannot be performed TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 487 TWIN CLU
286. d data from e Malfunction of encoder for wheel speed detection ASC ECU via the CAN communication e Malfunction of ASC ECU e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C CAN Bus Diagnosis Table P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is the relevant wheel speed sensor diagnostic trouble code No C100A lt FL gt C1015 lt FR gt C1020 lt RL gt or C102B lt RR gt set YES Go to Step 3 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 405 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool data list Check the data list of the relevant wheel speed sensor Refer to P 22C 473 e Item No 22 Wheel speed sensor lt FL gt e Item No 23 Wheel speed sensor lt FR gt e Item No 24 Wheel speed sensor lt RL gt e Item No 25 Wheel speed sensor lt RR gt Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13
287. d measure the voltage between terminal No 4 and ground at the wiring harness side e OK 1 V or less brake pedal released e OK System voltage brake pedal depressed Q Is the check result normal YES Go to Step 6 NO Go to Step 4 STEP 4 Inspection of the stoplight switch connector intermediate connector C 32 C 128 Check for the contact with terminals Q Is the check result normal YES Go to Step 5 NO Repair the defective connector STEP 5 Check the wiring harness between C 32 stoplight switch connector terminal No 1 and C 54 shift lever ECU connector terminal No 4 Check the output line for open or short circuit Q Is the check result normal YES Go to Step 6 NO Repair the wiring harness TSB Revision x TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 220 344 DIAGNOSIS lt TC SST gt STEP 6 Retest the system Q Does a malfunction take place again YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 7 Key interlock mechanism check Refer to P 22C 482 Q Is the check result normal YES Go to Step 8 NO Adjust the key interlock mechanism Refer to P 22C 482 STEP 8 Shift lever operation check 1 Disconnect the connection of the shift lever assembly and the transaxle control cable 2 Turn the ignition switch to the ON position Check that the sh
288. d sensor lt FL gt Wheel speed sensor lt FR gt Wheel speed sensor lt RL gt Wheel speed sensor lt RR gt Yaw rate sensor Lateral G sensor Longitudinal G sensor ACD target torque TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 397 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSTIC TROUBLE CODE CHART A CAUTION During diagnosis a DTC associated with other system may be set when the ignition switch is turned ON with connector s disconnected On completion confirm all systems for diagnostic trouble code s If diagnostic trouble code s are set erase them all M1221007800279 Diagnostic Reference page trouble code No C1000 Stoplight switch system P 22C 400 C100A FL Wheel speed sensor system faulty circuit P 22C 404 C1015 FR C1020 C102B C1011 Wheel speed sensor system faulty signal P 22C 405 C101C Wheel speed sensor system characteristics abnormality P 22C 406 Tire turning malfunction P 22C 407 Steering wheel sensor system faulty signal P 22C 409 Steering wheel sensor system neutral learning abnormality P 22C 411 G and yaw rate sensor system faulty signal P 22C 412 G and yaw rate sensor system abnormality of longitudinal G sensor P 22C 414 output signal Electronic relay abnormality of AWC actuator power supply P 22C 416 AWC pressure sensor system low
289. d to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply e P2718 Clutch shift pressure solenoid 1 system Open circuit e P2719 Clutch shift pressure solenoid 1 system Overcurrent e P2720 Clutch shift pressure solenoid 1 system Short to ground e P2721 Clutch shift pressure solenoid 1 system Short to power supply e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch cooling flow solenoid e Clutch shift pressure solenoid 1 e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC
290. determined to be normal e Not applicable TSB Revision 22C 48 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Po oe N Yes Clutch 1 pressure lt 100 hPa Clutch 2 pressure lt 100 hPa Yes Continuous failure N for 8 sec Yes Malfunction Good i AC710635AC DTC SET CONDITIONS JUDGMENT CRITERIA e Clutch 1 pressure 100 hPa or less and clutch 2 Check Conditions pressure 100 hPa or less 8 seconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Clutch 1 target pressure 380 hPa or more e Clutch 2 target pressure 380 hPa or more PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch cooling flow solenoid e Insufficient fluid level e Improper installation of mechatronic assembly DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T IIl Main Harness A The Clutch 1 pressure and clutch 2 pressure remain 100 hPa or more for 8 seconds TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 49 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB9919
291. diagnostic trouble code may be a oe sail lara with shift set Prior to this diagnosis diagnose the CAN erer Marae ghee meninges A DOLA bus lines Whenever the ECU is replaced ensure that PROBABLE CAUSES the CAN bus lines are normal e Malfunction of the shift lever ECU e Malfunction of the LIN bus e The CAN bus line is defective e Malfunction of TC SST ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 97 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the shift lever diagnostic trouble code Refer to P 22C 366 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Inspection of the TC SST ECU connector intermediate connector and shift lever ECU connector B 107 A 13 C 27 Check for the contact with terminals Q Is the check result normal YES Go to Step 4 NO Repair the defective connector STEP 4 Check the wiring harness bet
292. dle shift switch or TC SST ECU may have a problem TSB Revision 22C 336 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST PROBABLE CAUSES e Malfunction of the paddle shift switch e Damaged harness wires and connectors DIAGNOSIS lt TC SST gt e Malfunction of the shift lever ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Paddle shift switch check Refer to P 22C 517 Q Is the check result normal YES Go to Step 3 NO Replace the paddle shift assembly Refer to P 22C 517 STEP 3 Measure the resistance at C 210 paddle shift switch connector Disconnect the connector and measure the resistance between terminal No 2 and ground at the wiring harness side OK Continuity exists 2 Q or less Q Is the check result normal YES Go to Step 6 NO Goto Step 4 STEP 4 Paddle shift switch connector check C 210 Check for the contact with terminals Q Is the check result normal YES Go to Step 5 NO Repair the defecti
293. draulic pressure relief Clutch not engaged Open Clutch in engagement Clutch in disengagement Clutch status Even number gears Inactive Closed During the torque control Hydraulic pressure charging Pre stroke During hydraulic pressure relief e Clutch not engaged e Open e Clutch in engagement e Clutch in disengagement Shift fork position sensor 1 Shift fork position sensor 2 Shift fork position sensor 3 Shift fork position sensor 4 Input shaft odd speed Input shaft even speed TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 15 DIAGNOSIS lt TC SST gt Item Unit Display Current gear N 1st 2nd 3rd 4th 5th 6th R N Odd number N Even number Undefined gear Target gear N 1st 2nd 3rd 4th 5th 6th R N Odd number N Even number Undefined gear SST control mode Gear change mode NORMAL SPORT AUTO Manual Torque limit request Fuel cut ON OFF Torque limit request Throttle closing ON OFF Torque limit request Retard ON OFF Monitoring unit number 1 Monitoring unit number 2 Monitoring unit number 3 Monitoring unit number Monitoring unit number 5 Monitoring unit number 6 Monitoring unit number 7 4 Monitoring unit number 8 Monitoring unit No indication Refer to P 22C 16 Vehicle s
294. e STEP 3 J C 3 Intermediate connector AWC ECU connector AWC switch connector check C 07 C 36 C 51 C 50 Q Is the check result normal YES Go to Step 4 NO Repair the defective connector Then go to Step 8 TSB Revision 22C 424 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Wiring harness check between C 51 AWC ECU connector terminal No 21 and C 50 AWC switch connector terminal No 1 Check the output line for short for short to the power supply circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness Then go to Step 8 STEP 5 Scan tool data list Item No 89 AWC switch Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 7 NO Goto Step 6 STEP 6 AWC switch check Check the AWC switch Refer to P 22C 520 Q Is the check result normal YES Go to Step 7 NO Replace the AWC switch Refer to P 22C 518 Then go to Step 8 STEP 7 Check whether the DTC is reset Q Is DTC No C1613 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 8 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 8 Check whether the DTC is reset Q Is DTC No C1613 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISS
295. e CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 1 is normal DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 1 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P183D Shift fork 2 malfunction e P1844 Shift fork 3 malfunction Sensor The sensor below is determined to be normal e Not applicable LOGIC FLOW CHARTS Monitor Sequence lt Functional check blocked gt START Malfunction DTC SET CONDITIONS lt FUNCTIONAL CHECK BLOCKED gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Common high side 1 voltage 7 V or more Common high side 3 voltage 7 V or more Yes Yes AC710675 JUDGMENT CRITERIA Until completion of initial shift fork action e 2 After completion of initial shift fork action mO 25 20 4 Maximum allowed time sec i 20 120 32 68 248 Fluid temperature C F AC710827AB 40 4 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 187 DIAGNOSIS lt TC
296. e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 43 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0753 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0758 Shift Select Solenoid 2 System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift select solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift select solenoid 2 circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not a
297. e P1879 Gear block 4th e P1832 Shift fork position sensor 4 system Volt e P187A Gear block 5th age high range out e P187B Gear block 6th e P1834 Shift fork position sensor 4 system Neu e P187C Gear block reverse tral A e P1835 Shift fork position sensor 4 system Poor SENS ON INE Sensor Below le uetermined to bE normal performance e P184B Shift fork 4 malfunction Not applicable e P1852 Shift fork 1 or 2 opposite direction move ment LOGIC FLOW CHARTS Monitor Sequence START No Monitoring condition met Yes Shift fork position No counter lt 500 Yes Shift fork position No counter gt 500 Continuous failure No for 180 msec Yes AC710681 Yes TSB Revision 22C 178 DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN The status with the shift fork 4 position counter digi tized sensor value 500 counts or more or with the shift fork 4 position counter digitized sensor value 500 counts or less continues for 180 millisecond Time since above engine condition 1 5 seconds or more PROBABLE CAUSES Shift system status Gear change mode during e Malfunction of TC SST ECU shift fork moving JUDGMENT CRITERIA e Shift fork 4 position counter digi
298. e scan tool cannot communicate with TC SST ECU A CAUTION Whenever the ECU is replaced ensure that the CAN bus lines are normal PROBABLE CAUSES Wrong scan tool wiring harness The CAN bus line is defective Malfunction of TC SST ECU COMMENTS ON TROUBLE SYMPTOM e Malfunction of TC SST ECU power supply circuit The CAN bus line TC SST ECU power supply cir cuit or TC SST ECU may have a problem ECU malfunction of other system DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Check and repair the TC SST ECU power supply circuit Refer to P 22C 338 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 333 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 2 The driving mode cannot be changed Twin clutch sport shift transaxle control mode switch circuit SHIFT LEVER CPU 1 3 TWIN CLUTCH SST CONTROL MODE SWITCH C 49 2 k n MU801569 MODE MODE AC803069AB Connector C 49 2 AC705170BE A CAUTION PROBABLE CAUSES Whenever
299. e time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is RN If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805099 AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 2 EVEN PRESSURE 1 400 HPA OR LESS gt Check Conditions e Engine speed 650 r min or more DIAGNOSIS lt TC SST gt less JUDGMENT CRITERIA 22C 127 e Clutch 2 even state Slip or engaged e Target clutch 2 even pressure 1 400 hPa or e Calculated pressure 1 000 hPa or less Time required e Time since above engine condition 1 5 seconds or more Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position D N or R N or R gt P Transmission fluid temperature gt 10 C 14 F Time required 1 220 msec lt 10 C 14 F 2 220 msec N or p All range 220 msec R
300. ear hold request ASC gear hold request Ignition switch ON Normal state No request Gear hold requested Gear hold request FL speed sensor FL wheel speed sensor FR speed sensor FR wheel speed sensor RL speed sensor RL wheel speed sensor RR speed sensor RR wheel speed sensor Actual driving The same value as the ASC wheel speed is displayed Cold shift request Idle up request flag Cold shift request Idle up request flag Cold shift requested Cold shift not requested Idle up requested Idle up not requested Torque limit by spark retard Torque limit by spark retard Torque limit by spark retard requested Not requested TSB Revision 22C 358 Display on scan tool Item name DIAGNOSIS lt TC SST gt Check conditions TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Normal conditions Torque limit by fuel cutoff Torque limit by fuel cutoff Torque limit by fuel cutoff requested ON Not requested OFF Torque increase request flag Torque increase request flag Torque increase requested ON Not requested OFF Torque reduction request flag Torque reduction request flag Torque reduction requested ON Not requested Torque limit by throttle closing Torque limit by throttle closing Torque limit by throttle closing requested O
301. ec D N or R N or R P lt 10 C 14 F 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec R or D or manual mode 3 gt 10 C 14 F 2 220 msec Example of the time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is RN If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805099 AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 1 ODD PRESSURE 1 400 HPA OR LESS gt Check Conditions e Engine speed 650 r min or more Time required DIAGNOSIS lt TC SST gt or more 22C 117 e Time since above engine condition 1 5 seconds e Clutch 1 odd state Slip or engaged e Target clutch 1 odd pressure 1 400 hPa or less JUDGMENT CRITERIA e Calculated pressure 1 000 hPa or less Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever po
302. eceives the vehicle information stored in an incorrect diagnostic trouble code may be ETACS ECU via CAN bus lines set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS e Whenever the ECU is replaced ensure that The diagnostic trouble code is set when the the CAN bus lines are normal AWC ECU coding has not been performed e When the diagnostic trouble code No U1415 is set in AWC ECU the diagnostic trouble PROBABLE CAUSES code may also be set in ETACS ECU When the diagnostic trouble code is set in ETACS ECU perform the diagnosis of the diagnostic trouble code for ETACS ECU first e Variant coding for ETACS ECU has not been implemented e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 ETACS ECU coding data check Using the scan tool check if there is any abnormality to the coding data stored in the ETACS ECU Refer to GROUP 00 Coding Reference Table P 00 28 Q Is the check result normal YES Go to Step 4 NO Replace the ETACS ECU Refer to GROUP 54A
303. echatronic assembly installed correctly YES Replace the mechatronic assembly Refer to P 22C 505 NO Install the mechatronic assembly correctly Refer to P 22C 505 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 301 DIAGNOSIS lt TC SST gt DTC P2736 Clutch Shift Switching Solenoid 1 System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 1 circuit is deter mined to be open MONITOR EXECUTION e Continuous LOGIC FLOW CHARTS Monitor Sequence START Malfunction Monitoring condition met Yes Yes Continuous failure for 400 msec Yes MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The
304. ecial tool MB991928 Set following parts to the base hanger e Slide bracket HI Foot x 4 standard MB991932 e Joint x 2 90 MB991930 2 Set the feet of the special tool as shown in the figure NOTE Adjust the engine hanger balance by sliding the slide bracket HI 3 Set the chain to the engine hanger plate Special tool MB992201 to support the engine and transaxle assembly Remove the garage jack and then remove the transaxle assembly upper part coupling bolts that have been loosened previously TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 501 TRANSAXLE ASSEMBLY 3 lt Engine mechanical hanger special tool MB991895 is used gt 1 Set the feet of the engine mechanical hanger special tool MB991895 as shown in the figure NOTE Slide the front foot of the engine mechanical hanger Special tool MB991895 to balance the engine hanger 2 Set the chain to the engine hanger plate Special tool MB992201 to support the engine and transaxle assembly Remove the garage jack and then remove the transaxle assembly upper part coupling bolts that have been loosened previously MB992201 4 Se pS E WAE i ed H l Ki a gt R KYS i b L I A ac706009AD INSTALLATION SERVICE POINTS gt gt A lt lt O RING TRANSAXLE ASSEMBLY INSTAL LATION Apply the specified grease to the flywheel spline section O ring and s
305. ect solenoid 2 system Short to ground e P0977 Shift select solenoid 2 system Short to power supply e P0746 Line pressure solenoid system Drive cur rent range out e P0968 Shift cooling switching solenoid system Open circuit e P0970 Shift cooling switching solenoid system Short to ground e P0971 Shift cooling switching solenoid system Short to power supply e P0960 Line pressure solenoid system Open cir cuit Sensor The sensor below is determined to be e P0961 Line pressure solenoid system Overvolt P ai ae solenoid 2 age WE e P0962 Line pressure solenoid system Short to ee ground e P0963 Line pressure solenoid system Short to power supply LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor T s No Monitoring condition met FET switched on FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710726AB JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched on and FET Field Effect Transistor output 100 mV or less 1 second DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e High side 1 switch ON TSB Revision 22C 230 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN The status with the FET switch ON and with the FET channel output 100 mV or mo
306. ected in the an incorrect diagnostic trouble code may be signal received from the TC SST ECU set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that e T pa a R i lL the CAN bus lines are norma Malfunction of TC SST ECU OPERATION e Malfunction of AWC ECU AWC ECU communicates with TC SST ECU via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the TC SST diagnostic trouble code Refer to P 22C 16 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool data list Item No 17 T M shift range Refer to P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Go to Step 4 TSB Revision 22C 464 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U1425 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is
307. eed 500 r min or more PROBABLE CAUSES e Shift fork 3 position Neutral Malfunction of TC SST ECU Input shaft 1 odd gear Engaged e Malfunction of shift fork position sensor 3 e Engine speed input shaft 1 speed 50 r min or less DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 168 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 6th gear check that the DTC is reset Q Is DTC No P182D set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool diagnostic trouble code for other systems Check if a shift fork and shift fork position sensor related diag nostic trouble code No other than P182D is stored Q Is the DTC set YES Go to Step 5 NO Go to Step 4 STEP 4 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In
308. eel Steered 90 to left L90 deg Steering angle speed Steering wheel Without steering wheel operation 0 deg s Steering wheel With steering wheel operation Changes depending on the turning speed Steering angle sensor status Accelerator position Normal Correct Faulty Malfunction Neutral point not learned Neutral point not learned or failed Release the accelerator pedal Depress the accelerator pedal Accelerator pedal fully opened Neutral not learned Neutral not learned and Malfunction 18 22 Increases in response to the depression amount 80 or more Engine speed Idling and test run Nearly the same as the tachometer display Engine torque Driver request Operate the accelerator pedal The torque changes T M Gear position Shift lever position P P Shift lever position R R Shift lever position Drive at D Shift lever position Manual mode FL wheel speed raw value FR wheel speed raw value RL wheel speed raw value RR wheel speed raw value reference because of rpm TSB Revision 22C 474 Display on scan tool Check conditions TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Normal condition FL wheel speed sensor FR wheel speed sensor RL wheel speed sensor RR wheel speed sensor Yaw rate sensor
309. efer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 6th gear 3 Check the DTC Q Is DTC No P182E set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 172 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1831 Shift Fork Position Sensor 4 System Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 4 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 4 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1832 Shift fork position sensor 4 system Volt age high range out P1833 Shift fork position sensor 4 system Out put range out P1834 Shift fork position sensor 4 system Neu tral P1835 Shift fork position sensor 4 system Poor performance P184B Shift fork 4 malfunction
310. efer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 278 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive with shifted in the 1st gear and reverse 3 Check the DTC Q Is DTC No P1885 set YES Replace the transaxle assembly Refer to NO DTC P1886 SHIFT FORK 2 JUMP OUT A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork 2 is normal P 22C 497 This diagnosis is complete DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 2 is determined to be abnormal PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork e Malfunction of valve body DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to
311. engine racing occurs during gear shifting driving COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES Fluid may be insufficient or contaminated Oil filter j Insufficient ol contaminated fluid case assembly mechatronic assembly clutch e Malfunction of the oil filter case assembly assembly or transaxle assembly may have a prob a Cs Se eee lem e Malfunction of the clutch assembly e Malfunction of the transaxle assembly DIAGNOSTIC PROCEDURE STEP 1 Oil filter case assembly check 1 Check if the oil filter is replaced according to the cycle specified in the Maintenance Note e Normal condition 96 000 km 60 000 miles e Severe condition 48 000 km 30 000 miles 2 Visually check that no fluid leaks form the oil filter case assembly and it is installed normally Q Is the check result normal YES Go to Step 2 NO Replace the oil filter case assembly Refer to P 22C 515 STEP 2 Fluid check Check for the fluid level and if no foreign material and contami nation are found Q Is the check result normal YES Go to Step 3 NO Charge or replace the fluid STEP 3 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GR
312. ensor value 500 counts or less shift fork 3 position counter digitized sensor value 500 counts or more 180 millisecond Shift fork position counter gt 500 No Yes AC710681 OBD II DRIVE CYCLE PATTERN The status with the shift fork 3 position counter digi tized sensor value 500 counts or more or with the shift fork 3 position counter digitized sensor value 500 counts or less continues for 180 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 165 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 6th gear check that the DTC is reset Q ls DTC No P182C set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausi
313. ensor below is determined to be normal e Clutch 2 pressure sensor e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 293 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 300 msec Yes Malfunction AC710657 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The status with the current of the FET channel shunt Vor f battery 8 V 3 5 A or less and with the FET channel output 100 Ta E ARN de V or more continues for 300 milliseconds e Voltage of battery 16 5 V or less i JUDGMENT CRITERIA PROBABLE CAUSES e FET Field Effect Transistor current 3 5 A or e Malfunction of TC SST ECU more and FET Field Effect Transistor output 100 mV or less 300 millisecond Malfunction of clutch shift pressure solenoid 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 294 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refe
314. ensor connected Present Steering sensor disconnected Not present Coding status Coding incomplete Not complete Coding completed Complete T M type 5M T 5M T TC SST TSB Revision SST TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Display on scan tool Check conditions 22C 475 Normal condition Rear diff type Mechanical differential LOM AYC differential AYC ABS fail flag ABS activation flag Faulty ON Normal Activated OFF Not activated ASC fail flag Faulty Normal ASC switch mode ASC activation flag When ASC is ON When ASC is OFF Activated Not activated IG1 ON OFF ECU power supply voltage Ignition switch ON Output load voltage Pressure sensor power voltage Pressure sensor output voltage Pressure sensor Mode SW Ignition switch ON Ignition switch ON Immediately after electric pump motor operation Immediately after electric pump motor operation Mode selection switch Pressed Approx 5 V 1 86 2 67 V 1 1 6 MPa ON Mode selection switch Released OFF ACD proportion valve indicated During ACD operation 50 1 000 mA Motor relay drive indication ON ON OFF OFF Yaw rate sensor adjusted value Ignition switch 4 6 deg s SA
315. equired D gt N or R N or R P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or H A All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 114 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 1 odd pressure 1 400 hPa or more to 3 000 hPa or less gt START No Monitoring condition met Yes Calculated pressure No lt 2 000 hPa Yes Continuous failure No for time required Yes END Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lev
316. er ECU connector connection Shift lock solenoid connector gt gt A lt lt connection Shift lever assembly Transaxle control cable removal steps Shift knob SRS ECU Refer to GROUP 52B SRS ECU P 52B 411 TSB Revision 22C 489 5 AC902576AB Transaxle control cable removal steps Continued e Gand yaw rate sensor and G and yaw rate sensor bracket Refer to GROUP 35C G and Yaw Rate Sensor P 35C 320 4 Transaxle control cable connection shift lever side e Air cleaner assembly Refer to GROUP 15 Air Cleaner P 15 9 e Battery Refer to GROUP 54A Battery P 54A 10 8 Transaxle control cable connection transaxle side 9 Transaxle control cable bracket 10 Transaxle control cable 22C 490 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSMISSION CONTROL REMOVAL SERVICE POINT lt lt A gt gt PULL RING REMOVAL 1 Pull the pull ring upward as shown in the figure Carry out the following operation with the pull ring pulled upward 2 Raise the claw using a precision screwdriver Precision e y screwdriver OUV Sn AC902248AC 3 Remove the pull ring by turning it clockwise and pull it out upward AC902250AC TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSMISSION CONTROL Shift control lever Slider Lock piece t A 7 ve Shift control ransaxle S ever control cable A
317. er position Transmission fluid temperature Time required gt 10 C 14 F 1 220 msec D N or R N or R P lt 10 C 14 F 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec R or D or manual mode F 7 gt 10 C 14 F 2 220 msec Example of the time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805098AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 1 ODD PRESSURE 1 400 HPA OR MORE TO 3 000 HPA OR LESS gt Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more Time required DIAGNOSIS lt TC SST gt more JUDGMENT CRITERIA 22C 115 e Clutch 1 odd state Slip or engaged e Target clutch 1 odd pressure 1 400 hPa or e Calculated pressure 2 000 hPa or less Time required The time required for the Rationality h
318. erface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 62 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0848 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0960 Line Pressure Solenoid System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the line pressure solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The line pressure solenoid circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item mo
319. error is not occurred When a timeout error is occurred Abort conditions error When an error other than the execution conditions is not occurred When an error other than the execution conditions is occurred Yes Execute last Teach In item The previously conducted scan tool item name is displayed Internal Error Data Terminal Check items No B 120 Check conditions The monitoring unit No is displayed in case of an error M1225006800096 AC803080AB Standard value CAN_L CAN_H Back up power supply Always Battery positive voltage Power supply Ignition switch ON Battery positive voltage Ignition switch OFF 1 V or less LIN Ground Always 1 V or less TSB Revision 22C 364 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt DIAGNOSIS lt SHIFT LEVER gt DIAGNOSIS FUNCTION M1225000500246 WARNING INDICATOR x O amp When a malfunction occurs to the shift lever the figure A lt a Ore yg A E PUSE remains displayed on the information screen of multi informa A tion display h oe If the figure A remains displayed on the information screen of multi information display check whether or not a diagnostic 32100 trouble code is set ee SERV EQUIRED P lt B 6 gt NORMAL E gt _ _ AC71044
320. es Malfunction Good AC710709 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 197 DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 2 REQUESTED BUT SHIFT FORK 4 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 2 Judgment Criteria e Shift fork position 6 mm 0 24 inch 4th gear side or less or 6 mm 0 24 inch 2nd gear side or more or 1 8 mm 0 071 inch neutral position or more and Initialized fork position shift fork 2 position 2 5 mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 2 REQUESTED BUT SHIFT FORK 4 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch or more or with 6 mm 0 24 inch or less or with 1 8 mm 0 071 inch or less and with the initial ized fork position shift fork 1 position 2 5 mm 0 098 inch or more continues for 200 millisecond TSB Revision 22C 198 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 2 requested but shift fork 1 movement gt START Monitoring condition met Shift fork 1 position ist gear side Shift fork 1
321. esult normal YES Go to Step 6 NO Replace the stoplight switch Refer to GROUP 35A Brake Pedal P 35A 31 Then go to Step 18 STEP 6 ETACS ECU connector check C 304 Q Is the check result normal YES Go to Step 7 NO Repair the defective connector Then go to Step 18 STEP 7 Measure the voltage at the C 304 ETACS ECU connector Disconnect the connector and measure the voltage between terminal No 1 and ground at the ECU side OK Battery positive voltage Q Is the check result normal YES Go to Step 8 NO Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 18 STEP 8 Stoplight switch connector check C 32 Q Is the check result normal YES Go to Step 9 NO Repair the defective connector Then go to Step 18 STEP 9 Voltage measurement at the C 32 stoplight switch connector Disconnect the connector and measure the voltage between terminal No 2 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 11 NO Go to Step 10 STEP 10 Check the wiring harness between C 304 ETACS ECU connector terminal No 1 and C 32 stoplight switch connector terminal No 2 Check the output line for open or short circuit Q Is the check result normal YES Go to Step 11 NO Repair the wiring harness Then go to Step 18 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 403 DIAGNOSIS lt
322. ever ECU connector B 120 A 54 C 49 Check for the contact with terminals Q Is the check result normal YES Go to Step 4 NO Repair the defective connector STEP 4 Check the wiring harness between B 120 TC SST ECU connector terminal No 17 and C 49 shift lever ECU connector terminal No 16 Check the communication line for open and short circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness STEP 5 Check whether the DTC is reset 10 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P1802 set YES Go to Step 6 NO This diagnosis is complete STEP 6 Replace the shift lever assembly and check if the diagnostic trouble code is reset 1 Replace the shift lever assembly Refer to P 22C 488 2 Check the DTC 3 After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1802 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1803 Shift Lever System CAN LIN Time out Error SHIFT LEVER SYSTEM CIRCUIT DIAGNOSTIC FUNCTION oe Refer to P 22C 94 TC SST ECU checks that the communication with the shift lever ECU CAN and LIN is normal A CAUTION e If there is any problem in the CAN bus lines DESCRIPTIONS OF MONITOR METHODS an incorrect
323. evision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 255 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check if the diagnostic trouble code is set to the system other than TC SST Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool diagnostic trouble code After 15 seconds with the engine idle status check that the diagnostic trouble code for engine is set Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1871 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 256 TWIN CLUTCH SPORTRONIC SHIFT TRANSMIS
324. evision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 427 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 7 Check the wiring harness between C 04 combination meter connector terminal No 4 and C 117 parking brake switch connector terminal No 1 Check the output line for short circuit Q Is the check result normal YES Replace the combination meter Refer to GROUP 54A Combination Meter P 54A 124 Then go to Step 8 NO Repair the wiring harness Then go to Step 8 STEP 8 Check whether the DTC is reset Q Is DTC No C1614 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 9 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 9 Check whether the DTC is reset Q Is DTC No C1614 set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 428 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C1616 Cranking Signal System Stuck ON Cranking signal system circuit ETACS ECU FUSE gt al mY IGNITION SWITCH NNA c 212 GEE 0k IAE ie ke a ae 81162 fe 41516 IGI y IGI 1G2 5 Lu 2 lt 5 7 ETACS ECU C 315 T MU801890 rz a 7 819 Hfon112 1314115161711819 AC803122 AB Connector C 315
325. fer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1870 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 253 DIAGNOSIS lt TC SST gt DTC P1871 APS system Signal abnormality A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU receives the periodic communication data from the engine control module via the CAN bus lines and checks the data for abnormality DESCRIPTIONS OF MONITOR METHODS The APS signal from the engine control module is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1
326. fied on the tire pressure label Q Is the check result normal YES Go to Step 4 NO Install the wheels tires with the identical size or adjust the tire pressure Then go to Step 5 STEP 4 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 5 STEP 5 Scan tool data list Check the following data list Refer to P 22C 473 e Item No 22 Wheel speed sensor lt FL gt e Item No 23 Wheel speed sensor lt FR gt e Item No 24 Wheel speed sensor lt RL gt e Item No 25 Wheel speed sensor lt RR gt Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 409 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C1219 Steering Wheel Sensor System Faulty Signal A CAUTION If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines Whenever the ECU is replaced ensure that the CAN bus lines are normal When the steering wheel sensor is replaced calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize the steering angle correct
327. fluid temperature sensor are normal e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 107 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Temperature A TC SST ECU temperature sensor output Temperature B Fluid temperature sensor output Monitoring condition met Yes Temperature B Temperature A gt 20 C 36 F Yes Continuous failure for 12 sec Yes Malfunction No AC710595 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The difference of the calculated temperature is 20 C e Voltage of battery 8 V or more 36 F or less e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Calculated temperature Temperature B Fluid temperature sensor output Temperature A TC SST ECU temperature sensor output 20 C 36 F or more 12 seconds PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repai
328. for 400 eck Conditions e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA i e Malfunction of TC SST ECU PET rieg P Eol Transistor y QUEL TV ormone e Malfunction of clutch shift pressure solenoid 1 400 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 284 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P2718 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2719 Clutch Shift Pressure Solenoid 1 System Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal D
329. for 5 seconds or more 3 Check the DTC Q Is DTC No P1822 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 136 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1823 Shift Fork Position Sensor 1 System Neutral A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 1 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 1 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1820 Shift fork position sensor 1 system Volt age low range out P1821 Shift fork position sensor 1 system Volt age high range out P1822 Shift fork position sensor 1 system Out put range out P1824 Shift fork position sensor 1 system Poor performance P1836 Shift fork 1 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2
330. ft lb 26 4N m 19 3 ft lb 11 2N m 2 _ 97 18 in Ib 18 7N m 13 5 ft lb A 44 18 in lb ga 10 3N m freee AC802429AD Removal steps Removal steps Continued 1 ACD pressure tube assembly 4 Hydraulic unit connector mounting bolt connection 2 ACD pressure tube assembly 5 Hydraulic unit bracket A and hydraulic unit connection hydraulic unit and hydraulic 3 Reservoir hose assembly and unit bracket B connecting bolt hydraulic unit connection TSB Revision 22C 522 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST HYDRAULIC UNIT Removal steps Continued gt gt B lt lt 6 Hydraulic unit and hydraulic unit bracket B 7 Hydraulic unit bracket B 8 Hydraulic unit 9 Hydraulic unit bracket A 10 ACD pressure tube assembly gt gt A lt lt 11 Reservoir hose assembly 12 Oil reservoir INSTALLATION SERVICE POINTS gt gt A lt lt RESERVOIR HOSE ASSEMBLY INSTALLA TION 1 On the oil reservoir side insert the hose to the position shown in the figure 2 On the hydraulic unit side insert the hose to the spool le Oil reservoir shown in the figure Spool ae j A Hydraulic unit AC705341 AB gt gt B lt lt HYDRAULIC UNIT AND HYDRAULIC UNIT BRACKET B INSTALLATION ee Insert the hook of hydraulic unit bracket B into the body panel W and tighten the mounting bolt Oanl AC705340 AB TSB Revision
331. ft switching solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 1 circuit is deter mined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 305 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output gt Battery voltage 2 V Yes Continuous failure for 160 msec Yes Malfunction AC710667 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN i The FET channel output remains Battery voltage 2 heek CondMons V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Clutch shift switching solenoid 1 OFF PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA rae e FET Field Effect Transistor output Battery volt Malfunction of clutch sh
332. fter repairing the CAN bus line go to Step 2 TSB Revision 22C 296 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2729 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2730 Clutch Shift Pressure Solenoid 2 System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 2 circuit is deter mined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P
333. fter repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C161C set YES Go to Step 3 NO This diagnosis is complete STEP 3 ACD proportioning valve check Measure the resistance of ACD proportioning valve Standard value 3 7 0 3 Q Q Is the check result normal YES Go to Step 4 NO Replace the hydraulic unit Refer to P 22C 521 Then go to Step 8 STEP 4 AWC ECU connector intermediate connector proportioning valve for ACD connector check C 51 D 11 F 28 Q Is the check result normal YES Go to Step 5 NO Repair the defective connector Then go to Step 8 STEP 5 Check the wiring harness between C 51 AWC ECU connector terminal No 1 and F 28 proportioning valve for ACD connector terminal No 3 and between F 28 proportioning valve for ACD connector terminal No 2 and body ground Check the power supply line for open or short circuit and check the ground line for open circuit Q Is the check result normal YES Go to Step 6 NO Repair the wiring harness Then go to Step 8 TSB Revision 22C 434 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 6 Scan tool data list Item 92 ACD proportion valve Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 7 NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 8 STEP 7 Che
334. function Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2728 Clutch Shift Pressure Solenoid 2 System Overcurrent A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The supply current to the clutch shift pressure sole noid 2 is determined to be overcurrent MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The s
335. function P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 352 DIAGNOSIS lt TC SST gt STEP 3 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 14 Delay occurs when the lever is shifted from N to D or N to R COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES o Fluid may be insufficient or contaminated MONO CHOW ot TO STF OU Power Supply cirgun TC SST ECU power supply circuit mechatronic e Insufficient or contaminated fluid assembly clutch assembly or transaxle assembly ser anal r Daaa oo may have a problemi alfunction of the clutch assembly e Malfunction of the transaxle assembly DIAGNOSTIC PROCEDURE STEP 1 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 2 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 STEP 2 Fluid check Check for the fluid level and if no foreign material and contami nation are found Q Is the check result normal YES Go to Step 3 NO Charge or replace the fluid STEP 3 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 4 NO Intermittent malfunction Refer to GROUP
336. function P 00 13 DTC P1820 Shift Fork Position Sensor 1 System Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 1 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 1 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1821 Shift fork position sensor 1 system Volt age high range out e P1822 Shift fork position sensor 1 system Out put range out e P1823 Shift fork position sensor 1 system Neu tral e P1824 Shift fork position sensor 1 system Poor performance e P1836 Shift fork 1 malfunction e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 ment P1857 P1876 P1877 P1878 P1879 Shift fork 3 or 4 opposite direction move Odd number gear axle interlock Gear block st Gear block 2nd Gear block 3rd Gear block 4th TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 129 DIAGNOSIS lt TC SST gt e P187A Gear block 5th Sensor The sensor below is determined to be e
337. g diagnosis a DTC associated with other system may be set when the ignition switch is turned ON with connector s disconnected On completion confirm all systems for diagnostic trouble code s If diagnostic trouble code s are set erase them all Diagnostic Diagnostic item Reference trouble code page Power supply system P 22C 367 EEPROM system P 22C 368 Lever position sensor system P 22C 368 Bus off P 22C 369 U0100 Engine time out error P 22C 370 U0101 TC SST time out error P 22C 370 U0121 ASC time out error P 22C 371 U0141 ETACS time out error P 22C 372 SYMPTOM CHART M1225005200198 A CAUTION During diagnosis a DTC associated with other system may be set when the ignition switch is turned ON with connector s disconnected On completion confirm all systems for diagnostic trouble code s If diagnostic trouble code s are set erase them all Symptom Inspection Reference procedure No page The scan tool cannot communicate with the shift lever ECU P 22C 373 Shift indicator lamp does not illuminate P 22C 374 Back up light does not illuminate P 22C 376 The driving mode cannot be changed P 22C 380 Speed change with the paddle shift is impossible P 22C 381 Shift lever ECU power supply circuit abnormality P 22C 383 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 367 DIAGNOSIS lt SHIFT LEVER gt DIAGNOSTIC TROUBLE COD
338. g wheel sensor time out error ETACS time out error P 22C 455 P 22C 456 P 22C 457 Engine data error P 22C 458 Steering wheel sensor data error P 22C 459 ETACS data error P 22C 460 Coding incomplete fail P 22C 461 Coding data malfunction P 22C 462 TC SST data error P 22C 463 Wheel speed sensor data error P 22C 464 G and yaw rate sensor data error TSB Revision P 22C 465 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 399 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt SYMPTOM CHART M1221007100913 Symptom Inspection Reference page procedure No Communication between the scan tool and AWC ECU 1 P 22C 467 cannot be established Mode does not change even when the AWC switch is P 22C 467 pressed AWC ECU power supply circuit malfunction Control P 22C 470 mode is not displayed ACD control mode display is flashing Diagnostic trouble This is the symptom that code No C161F or C1621 is set AWC ECU suspends the control to protect the actuator during severe driving and nota malfunction Turn the ignition switch from OFF to ON to return to control TSB Revision 22C 400 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSTIC TROUBLE CODE PROCEDURES DTC C1000 Stoplight Switch System Stoplight switch system circuit FUSIBLE LINK 64
339. gnition switch to the ON position OK Battery positive voltage Q Is the check result normal YES Go to Step 12 NO Go to Step 10 STEP 10 Inspection of the intermediate connector TC SST ECU connector and ETACS ECU connector A 54 C 128 B 120 C 317 Check for the contact with terminals Q Is the check result normal YES Go to Step 11 NO Repair the defective connector STEP 11 Check the wiring harness between B 120 TC SST ECU connector terminal No 11 and C 317 ETACS ECU connector terminal No 5 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 12 NO Repair the wiring harness STEP 12 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 7 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 342 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 5 The shift lever does not operate SHIFT LEVER C 54 Mek s 6 7 1819110 Shift lock system circuit 3 A HIGH SIDE SWITCH POSITION SENSOR Eee SHIFT LOCK SOLENOID AC807553AV COMMENTS ON TROUBLE SYMPTOM The transaxle control cable shift lever assembly or transaxle assembly may have a prob
340. h odd slip speed Clutch odd slip speed Ignition switch The clutch odd number slip speed is displayed Clutch even slip speed Clutch even slip speed Ignition switch The clutch even number slip speed is displayed Coding counter Coding counter Ignition switch Number of counts for performed coding is displayed Battery voltage Battery voltage Ignition switch The battery voltage is displayed Clutch odd pressure sensor Clutch odd pressure sensor Ignition switch The clutch odd number pressure is displayed Clutch even pressure sensor Clutch even pressure sensor Ignition switch The clutch even number pressure is displayed Shift fork position sensor 1 Shift fork position sensor 1 Driving at a constant speed in 1st 9 mm 1 mm Reverse 9 mm 1 mm Shift fork position sensor 2 Shift fork position sensor 2 Driving at a constant speed in 5th 9 mm 1 mm Driving at a constant speed in 3rd 9 mm 1 mm Shift fork position sensor 3 Shift fork position sensor 3 Driving at a constant speed in 6th TSB Revision 9 mm 1 mm TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Display on scan tool Item name DIAGNOSIS lt TC SST gt Check conditions 22C 361 Normal conditions Shift fork position sensor 4 Shift fork position
341. h 2 pressure sensor e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 291 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes Continuous failure for 400 msec Malfunction AC710656 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 1 V or less for 400 e Voltage of battery 8 V or more Tuliseeonds e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA e Malfunction of TC SST ECU EPT ile Sle else OUIDUL T Or more e Malfunction of clutch shift pressure solenoid 2 400 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 292 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2727 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent mal
342. he ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Scan tool data list Item 42 Ignition switch Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 9 NO Goto Step 5 STEP 5 Ignition switch check 1 Disconnect C 212 ignition switch connector and check the continuity between the terminals No 1 and No 5 at the ignition switch side 2 Turn the ignition switch to the ON position OK No continuity Q Is the check result normal YES Go to Step 6 NO Replace the ignition switch Refer to GROUP 54A Ignition Switch P 54A 23 Then go to Step 10 STEP 6 Ignition switch connector ETACS ECU connector check C 212 C 315 Q Is the check result normal YES Go to Step 7 NO Repair the defective connector Then go to Step 10 TSB Revision 22C 430 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt TEP 7 Check the wiring harness between C 212 ignition switch connector terminal No 5 and C 315 ETACS ECU connector terminal No 7 Check the power supply line for short for short to the power supply circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness Then go to Step 10 STEP 8 Scan tool data list ETACS item No 287 Starter switch Refer to GROUP 54A
343. heck the DTC Q Is DTC No P1888 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1890 TEACH IN NOT COMPLETED A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines It is judged that Teach In is not completed normally an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that Teach In is completed nor mally PROBABLE CAUSES e Teach In not completed e Malfunction of TC SST ECU e Malfunction of clutch assembly DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1890 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Co
344. heck whether the DTC is reset Q Is DTC No U0401 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No U0401 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 459 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC U0428 Steering Wheel Sensor Data Error A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU communicates with the steering wheel an incorrect diagnostic trouble code may be sensor via the CAN bus lines set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS Whenever the ECU is replaced ensure that The code is set when abnormality is detected in the the CAN bus lines are normal signal received from the steering wheel sensor e When the steering wheel sensor is replaced calibrate the steering wheel sensor Refer to PROBABLE CAUSES GROUP 35C On vehicle Service P 35C 304 The CAN bus line is defective and initialize the steering angle correction e Malfunction of steering wheel enor amount stored in AWC ECU Item No 1 e Malfunction of AWC ECU Steering angle correction amount initializa tion P 22C 476 DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagn
345. hem all M1225005200284 Symptom Inspection Reference procedure No page P 22C 332 P 22C 333 P 22C 335 1 2 3 4 P 22C 338 The shift lever does not operate 5 P 22C 342 6 7 8 The scan tool cannot communicate with TC SST ECU The driving mode cannot be changed Speed change with the paddle shift is impossible TC SST ECU power supply circuit malfunction Gears cannot be changed with the manual mode P 22C 345 P 22C 346 P 22C 347 The vehicle moves with the P range Slipping occurs with the D range R range manual mode and engine racing occurs during gear shifting driving The vehicle does not creep with the D range R range manual mode P 22C 348 The shock is large when the vehicle is stopped and the brake pedal is P 22C 349 released with the D range R range manual mode Poor acceleration P 22C 349 The gear shifting does not occur The transmission does not upshift or P 22C 350 downshift The shift shock is large P 22C 351 Delay occurs when the lever is shifted N D or N gt R P 22C 352 The engine stops when the lever is shifted N D or N gt R P 22C 353 The vehicle moves with the N range on the level ground P 22C 354 Judder vibration noise P 22C 354 TSB Revision 22C 22 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC TROUBLE CODE PROCEDURES DTC P0630 VIN not Rec
346. hift switching solenoid 2 system Short to power supply e P181E Clutch 2 Pressure low range out e P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 319 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor j Yes Continuous failure for 400 msec Malfunction AC710661 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Ch ve The FET channel output remains 1 V or less for 400 eck Conditions e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA i e Malfunction of TC SST ECU sT riala Praci Transistor DUPUE TV pr mora e Malfunction of clutch shift switching solenoid 2 400 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 320 TWIN CLUTCH SPORTRONIC SHIFT TRAN
347. hing solenoid 1 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out P185D Clutch open not possible TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 55 DIAGNOSIS lt TC SST gt Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift switching solenoid 1 LOGIC FLOW CHARTS Monitor Sequence START Yes Vv Sensor voltage gt threshold value Yes Continuous failure for 160 msec Yes Malfunction AC710621 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The voltage of the clutch 1 pressure sensor remains Check Conditions 2 48 V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA ae e Malfunction of TC SST ECU e Sensor voltage 2 48 V or more 160 millisecond Malfunction of clutch 1 pressure sensor DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 56 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN b
348. hort to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 1 circuit is deter mined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch 1 pressure sensor e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 287 DIAGNOSIS lt TC SST gt LOGIC
349. ic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 23 DIAGNOSIS lt TC SST gt DTC P0701 EEPROM System Malfunction A CAUTION DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the EEPROM and RAM in an incorrect diagnostic trouble code may be the TC SST ECU is normal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The EEPROM writing data is determined to be the CAN bus lines are normal abnormal PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P0701 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermitten
350. id 2 system Short to power supply P2809 Clutch shift switching solenoid 2 spool stuck P2812 Clutch shift switching solenoid 2 system Open circuit P2814 Clutch shift switching solenoid 2 system Short to ground Monitoring condition met FET output lt 100 mV Yes Continuous failure for 5 sec Yes Malfunction DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more FET Field Effect Transistor of high side 3 Switched off e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift pressure solenoid 2 e Clutch shift switching solenoid 2 FET Field Effect Transistor AC710728 JUDGMENT CRITERIA FET output 100 mV or less 5 seconds OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for 5 seconds PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of power supply circuit open circuit TSB Revision 22C 250 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tool
351. idle status check that the DTC is reset Q Is DTC No P185D set YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1862 High side 1 system Overcurrent A CAUTION DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the high side 1 circuit is an incorrect diagnostic trouble code may be normal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The supply current to the high side 1 is determined to the CAN bus lines are normal be overcurrent TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 227 DIAGNOSIS lt TC SST gt MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below P0758 Shift select solenoid 2 system Open cir cuit P0976 Shift select solenoid 2 system Short to ground P0977 Shift select solenoid 2 system Short to power supply P0746 Line pressure solenoid system Drive cur rent range out P0960 Line pressure solenoid system Open cir cuit P0961 Line pressure solenoid system Overvolt age P0962 Line pressure solenoid system Short to ground P0963 Line pre
352. ift lever can be moved to each range when the brake pedal is depressed Q Is the check result normal YES Go to Step 9 NO Replace the shift lever assembly Refer to P 22C 488 STEP 9 Transaxle control cable check 1 Connect the connection of the shift lever assembly and the transaxle control cable 2 Disconnect the connection of the transaxle assembly and the transaxle control cable 3 Turn the ignition switch to the ON position Check that the shift lever can be moved to each range when the brake pedal is depressed Q Is the check result normal YES Replace the transaxle assembly Refer to P 22C 497 NO Check the transaxle control cable for installation condition and repair or replace if necessary Refer to P 22C 488 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 345 DIAGNOSIS lt TC SST gt INSPECTION PROCEDURE 6 Gears cannot be changed with the manual mode A CAUTION PROBABLE CAUSES Whenever the ECU is replaced ensure that the e Malfunction of the CAN bus lines CAN bus lines are normal e Malfunction of the shift lever assembly COMMENTS ON TROUBLE SYMPTOM e Malfunction of the mechatronic assembly The CAN bus lines shift lever assembly or mecha tronic assembly may have a problem DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III
353. ift switching solenoid 1 age 2 V or more 160 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 306 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2739 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2742 Fluid Temperature Sensor System Output low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the fluid tem perature sensor is normal DESCRIPTIONS OF MONITOR METHODS The output is determined to be too low MONITOR EXECUTION e Continuous MONITOR EXECUTION C
354. ift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Clutch 2 pressure sensor e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 295 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 400 msec Yes Malfunction AC710658 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions a ae output remains 100 mV or more for e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 100 mV or less 400 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch shift pressure solenoid 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 A
355. igh monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D gt N or R N or R P gt 10 C 14 F lt 10 C 14 F 1 220 msec 2 220 msec N or ip All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 1 ODD PRESSURE 1 400 HPA OR MORE TO 3 000 HPA OR LESS gt The calculated pressure remains 2 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D N or R N or
356. ight Turned OFF TSB Revision 1 V or less 22C 394 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt TROUBLESHOOTING STRATEGY Use these steps to plan your diagnostic strategy If you follow them carefully you will find most ACD malfunctions 1 Gather as much information as possible about the complaint from the customer 2 Verify that the condition described by the customer exists 3 Check the vehicle for any ACD Diagnostic Trouble Codes DTCs 4 If you can not verify the condition and there are no DTCs the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunction P 00 13 PRECAUTIONS FOR DIAGNOSIS Before diagnosis check that all the following items are normal e A normal steering wheel is installed correctly to the neutral position of steering column shaft assembly DIAGNOSIS FUNCTION M1221007000916 5 If you can verify the condition but there are no DTCs or the system can not communicate with scan tool refer to the Symptom Chart P 22C 399 6 If there is a DTC record the number of the code then erase the code from memory using scan tool 7 Reconfirm the symptom 8 If a DTC is set again go to the Inspection Chart for Diagnostic Trou
357. ine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset After 30 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1873 set YES Replace the clutch assembly Refer to GROUP 22D ransaxle P 22D 6 After replacing the clutch assembly go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 258 DIAGNOSIS lt TC SST gt STEP 4 Check whether the DTC is reset After 30 seconds with the engine idle status check that the DTC is reset Q Is DTC No P1873 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1874 Clutch 2 System Pressure abnormality A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The clutch 2 pressure is determined to be abnormal an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN PROBABLE CAUSES bus lines e Whenever the ECU is replaced ensure that e Malfunction of TC SST ECU e Malfunction of clutch assembly the CAN bus lines are normal e Malfunction of engine system DIAG
358. ine idle status check that the DTC is reset Q Is DTC No P0777 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 50 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P0841 Clutch 1 Pressure Sensor System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The difference between the allowable torque of clutch 1 and the engine torque is large MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground e P0974 Shift select solenoid 1 system Short to power supply e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching s
359. ine pressure solenoid system Short to power supply P 22C 68 033 Clutch cooling flow solenoid system Open circuit Clutch cooling flow solenoid system Overcurrent P 22C 70 P 22C 72 P 22C 74 Clutch cooling flow solenoid system Short to ground Clutch cooling flow solenoid system Short to power supply P 22C 76 Shift cooling switching solenoid system Open circuit P 22C 78 038 Shift cooling switching solenoid system Short to ground Shift cooling switching solenoid system Short to power supply Shift select solenoid 1 system Short to ground P 22C 80 P 22C 82 P 22C 84 037 P 22C 86 041 Shift select solenoid 1 system Short to power supply Shift select solenoid 2 system Short to ground P 22C 88 040 Shift select solenoid 2 system Short to power supply P 22C 90 082 EEPROM system DTC storing malfunction P 22C 91 109 Coding incomplete P 22C 92 089 230 Shift lever system LIN communication malfunction P 22C 94 233 Shift lever system CAN or LIN time out error P 22C 96 024 Shift fork position sensor 1 and 2 system Power supply voltage low range out P 22C 98 025 Shift fork position sensor 1 and 2 system Power supply voltage high range out P 22C 100 026 Shift fork position sensor 3 and 4 system Power supply voltage low range out P 22C 102 027 Shift fo
360. ines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 1 circuit is deter mined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 283 DIAGNOSIS lt TC SST gt Sensor The sensor below is determined to be normal e Clutch 1 pressure sensor e Clutch shift switching solenoid 1 LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes lt n Yes Continuous failure for 400 msec Yes Malfunction AC710656 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Ch ie The FET channel output remains 1 V or less
361. ing solenoid 1 system MONITOR EXECUTION CONDITIONS Short to ground OTHER MONITOR AND SENSOR e P2739 Clutch shift switching solenoid 1 system Short to power supply Other Monitor There is no temporary DTC stored P181B Clutch 1 Pressure low range out in memory for the item monitored below e P181C Clutch 1 Pressure high range out e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit Sensor The sensor below is determined to be normal e Clutch cooling flow solenoid e Clutch shift pressure solenoid 1 e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 235 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met FET switched on FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710726AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The status with the FET switch ON and with the FET channel output 100 mV or more continues for 1 sec ond Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e High side 2 switch ON PROBABLE CAUSES JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched PhO MONO UPd ee on and FET Fiel
362. ion Writing error AC805091 TSB Revision 22C 92 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Calculated checksum Not equal the memorized checksum OBD II DRIVE CYCLE PATTERN The calculated checksum corresponds with the memorized checksum PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1637 set YES Replace the mechatronic assembly Refer to NO DTC P1676 Coding incomplete A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the
363. ion amount stored in AWC ECU Item No 1 Steering angle correction amount initializa tion P 22C 476 Do not drop the G and yaw rate sensor or sub ject it to a shock When G and yaw rate sensor is replaced cali brate G and yaw rate sensor refer to GROUP 35C On vehicle Service P 35C 302 OPERATION DTC SET CONDITIONS This diagnostic trouble code is set when the abnor mality below is detected The tolerance of neutral position of steering wheel sensor exceeds the specified range Abnormality in steering wheel sensor output value Abnormality is detected by a comparison of out put value from the steering wheel sensor with the output values from wheel speed sensor and G and yaw rate sensor PROBABLE CAUSES Improper installation of steering wheel sensor Malfunction of steering wheel sensor Malfunction of G and yaw rate sensor Malfunction of wheel speed sensor Malfunction of AWC ECU Vehicle straight ahead position and steering wheel neutral position is not matched AWC ECU receives steering wheel data from the steering wheel sensor via CAN communication DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1219 set YES Go to S
364. ion P 00 13 DTC P0970 Shift Cooling Switching Solenoid System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift cooling switching solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The shift cooling switching solenoid circuit is deter mined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1852 Shift fork 1 or 2 opposite direction move ment e P1855 Shift fork 3 or 4 opposite direction move ment Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 81 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes No Channel output lt 100 mV Yes Continuous failure for 220 msec Yes Malfunction AC710654 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for Check Conditions 220 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA
365. ion of stoplight switch OPERATION ie Stoplight malfunction AWC ECU receives signals of stoplight switch from Damaged harness wires and connectors ETACS ECU via the CAN bus lines Malfunction of the ETACS ECU Malfunction of AWC ECU DTC SET CONDITIONS This diagnostic trouble code is set when the abnor mality below is detected DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C CAN Bus Diagnosis Table P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1000 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Check of the stoplight on and off Check that the stoplight illuminates when the brake pedal is depressed and the stoplight goes out when the brake pedal is released Q Is the check result normal YES Go to Step 14 NO Go to Step 4 STEP 4 Stoplight switch installation status check Refer to GROUP 35A On vehicle Service P 35A 31 Q Is the check result normal YES Go to Step 5 NO Install the stoplight switch correctly Then go to Step 18 TSB Revision 22C 402 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 5 Check the stoplight switch Refer to GROUP 35A Brake Pedal P 35A 32 Q Is the check r
366. ion of the key interlock cable is SOO gee an automatically adjusted by a spring View A Lock guide Unlock Lock t ti ui Wo Spring Adjuster case AC900053 AC TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 483 ON VEHICLE SERVICE SHIFT LOCK MECHANISM CHECK SYSTEM CHECK M1225008600128 Inspection procedure Check conditions Items to be checked Normal status Possible cause of abnormality 1 Release the brake pedal Depress the brake pedal Ignition switch position LOCK OFF or ACC Release the brake pedal Depress the brake pedal Ignition switch position ON The shift lever cannot be moved out of the P position e Shift lever assembly abnormality seizure damage or others e Electrical circuit abnormality short circuit in solenoid or wiring harness e Key interlock mechanism abnormality e Shift lever assembly abnormality seizure damage or others e Key interlock mechanism abnormality e Shift lever assembly abnormality seizure damage or others e Electrical circuit abnormality short circuit in solenoid or wiring harness The shift lever can be moved from the P position to other positions smoothly Shift lever assembly abnormality seizure damage or others Electrical circuit abnormality open circuit in solenoid or wiring harness COMPONENTS CHECK 1 Trouble
367. is diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 2 pressure is normal DESCRIPTIONS OF MONITOR METHODS The pressure of the clutch 2 is too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P1844 Shift fork 3 malfunction e P184B Shift fork 4 malfunction Sensor The sensor below is determined to be normal e Clutch 2 pressure sensor TSB Revision 22C 122 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 2 even pressure 3 000 hPa or more gt START Monitoring condition met Calculated pressure lt 5 000 hPa Continuous failure for time required Malfunction Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required gt 10 C 14 F 1 220 msec D gt N or R N or R P lt 10 C 14 F
368. is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 65 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Monitoring condition met Yes FET output lt 100 mV Yes Continuous failure for 300 msec Yes Malfunction AC710630AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The current of the FET channel shunt is 3 5 A or less and the FET channel output is 100 mV or more e Voltage of battery 8 V or more for 300 millisecond e Voltage of battery 16 5 V or less JUDGMENT CRITERIA PROBABLE CAUSES e FET Field Effect Transistor current 3 5 A or a of ene more and FET Field Effect Transistor output 100 mV or less 300 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 66 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC i
369. ision 22C 322 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2814 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2815 Clutch Shift Switching Solenoid 2 System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 2 circuit is deter mined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system
370. ision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 147 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P1826 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1826 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 148 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1827 Shift Fo
371. ision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 315 DIAGNOSIS lt TC SST gt STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P2766 set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Replace the mechatronic assembly Refer to P 22C 505 DTC P2809 Clutch Shift Switching Solenoid 2 spool stuck A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 2 is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 2 is determined to be seized MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHE
372. item monitored below e P182B Shift fork position sensor 3 system Volt age high range out P182C Shift fork position sensor 3 system Out put range out P182D tral P182E Shift fork position sensor 3 system Neu Shift fork position sensor 3 system Poor performance P1844 P1852 ment P1855 ment P1858 P1876 P1877 P1878 P1879 P187A P187B P187C Shift fork 3 malfunction Shift fork 1 or 2 opposite direction move Shift fork 3 or 4 opposite direction move Even number gear axle interlock Gear block st Gear block 2nd Gear block 3rd Gear block 4th Gear block 5th Gear block 6th Gear block reverse Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 159 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position lt 0 128 V Yes Continuous failure for 160 msec Yes Malfunction AC710676 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The position sensor voltage remains 0 128 V or more Check Conditions for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA AF e Malfunction of TC SST ECU a TONERS eee Ob Reese iil e Malfunction of shift fork position sensor 3 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan To
373. ition Manual Manual mode Shift lever position Upshift and hold Shift lever position Downshift and hold NOTE PWM indicates the duty value ratio SPECIAL FUNCTION ACTUATOR TEST REFERENCE TABLE M1225027200107 Item No Display on Test content Check conditions Normal conditions scan tool Shift Display the shift position e Ignition switch ON The requested indicator requested by the scan tool for Shift lever position P position is displayed 3 seconds e Engine Stopped Back up light Illuminate the back up light for The back up light 3 seconds illuminates TSB Revision 22C 390 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt SHIFT LEVER ECU TERMINALVOLTAGE REFERENCE CHART Connector number M1225007800107 C 54 C 49 C 49 1 C 49 2 ZN 1 2 v 3 4 HEBO Be 112131415 IDOOE 5 6 7 8 9 10 8 9 10 11 12 13 14 15 16 6 71819110 a Terminal No Check items Check conditions AC707982AG Standard value C 54 3 Shift lock solenoid power supply Ignition switch ON Battery positive voltage Ignition switch Other than above 1 V or less Stoplight switch Brake pedal Depressed Battery pos
374. ition the R range indicator of the multi information display a and the R range indicator of the floor console panel b flash This is a warning to the driver sc XH O x S00 A E4 CRUSE py and is not a malfunction In this case return the shift lever to the N range and move it to 3210 0 the R range again If the flashing of each R range indicator 987654 changes to normal illumination it indicates that the gear is in Oa F reverse position P R l NORMAL E TC SST TEACH IN A CAUTION e Check the Diag Version before Teach in If the Diag Version is 0000 reprogram the ECU The software with Diag Version 0000 does not have Teach in function M1225029400088 e When the mechatronic assembly is replaced reprogram the ECU and carry out the following Teach In e When the clutch assembly is replaced the following Teach In must be carried out TEACH IN ITEM 1 Teach In operation type There are two types of Teach In operation and the type to be implemented varies depending on the replace ment part Teach In Mechatronic assembly Clutch assembly replacement replacement Teach In for Shift fork Implemented Not implemented Teach In for Clutch Implemented Implemented NOTE When replacing the mechatronic assembly execute in A B order TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 9 DIAGNOSIS lt TC SST gt 2
375. ition sensor 3 system Volt age low range out P182B Shift fork position sensor 3 system Volt age high range out P182C Shift fork position sensor 3 system Out put range out P182D Shift fork position sensor 3 system Neu tral P1844 Shift fork 3 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision 22C 170 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position gt 6 mm 0 24 inch Yes Continuous failure for 250 msec Yes Malfunction AC710683 JUDGMENT CRITERIA DTC SET CONDITIONS e Shift fork 3 position 6 mm 0 24 inch or more Check Conditions 250 millisecond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The travel distance of the shift fork 3 remains 6 mm Time since above engine condition 1 5 seconds or more e Input shaft 2 even speed 500 r min or more e Shift fork 3 current gear 6th gear PROBABLE CAUSES e Clutch 2 even
376. itive voltage Brake pedal Released 1 V or less Ignition switch ACC Ignition switch ACC Battery positive voltage Ignition switch Other than above 1 V or less Ground Always 1 V or less CAN L CAN H R range output Shift lever position R Ignition switch ON Battery positive voltage Shift lever position Other than above 1 V or less R range input Always Battery positive voltage N range output Illumination power supply Shift lever position N Ignition switch ON Battery positive voltage Shift lever position Other than above Taillight Turned ON Taillight Turned OFF 1 V or less Battery positive voltage 1 V or less P N range input Always Battery positive voltage Ground Always Paddle switch Down Paddle shift position Downshift and hold Ignition switch ON 1 V or less Paddle shift position Other than the above TSB Revision Battery positive voltage Connector number TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Terminal No DIAGNOSIS lt SHIFT LEVER gt Check items Check conditions 22C 391 Standard value C 49 11 Paddle switch Up Ignition switch ON Paddle shift position Upshift and hold 1 V or less Paddle shift position Other than the above Battery positive voltage Powe
377. iza tion can be performed only when the vehicle is stopped TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt AWD ECU TERMINAL VOLTAGE REFERENCE CHART FOR ACD 22C 477 M1221011400122 Inspection Items Inspection requirement AC506684AL Normal Condition Proportioning valve for ACD With the actuator test item No 1 operate the While executing the actuator test 0 24 V proportioning valve After completing the lt ACD gt actuator test 1 V or less CAN H CAN L Pressure sensor power supply Ignition switch ON Approx 5 V Pressure sensor output voltage Ignition switch ON 0 5 2 7 V Pressure sensor ground Any time 1 V or less Power supply Any time Battery positive voltage Ground Any time 1 V or less Ignition switch Ignition switch ON Battery positive voltage Ignition switch OFF 1 V or less Back up power supply Any time Battery positive voltage Electric pump relay While the electric pump motor is operating Battery positive voltage AWC switch Press and hold the switch Ignition switch ON Battery positive voltage Release the switch TSB Revision 1 V or less z TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 478 ON VEHICLE SERVICE ON VEHICLE SERVIC
378. k for the contact with terminals Q Is the check result normal YES Go to Step 5 NO Repair the defective connector STEP 5 Check the wiring harness between C 210 paddle shift switch connector terminal No 2 and the body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 6 NO Repair the wiring harness STEP 6 Inspection of the shift lever assembly connector intermediate connector and paddle shift switch connector C 49 C 127 C 210 Check for the contact with terminals Q Is the check result normal YES Go to Step 7 NO Repair the defective connector STEP 7 Check the wiring harness between C 210 paddle shift switch connector terminal No 1 and C 49 shift lever assembly connector terminal No 11 and between C 210 paddle shift switch connector terminal No 3 and C 49 shift lever assembly connector terminal No 10 Check the output line for short or open circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness STEP 8 Trouble symptom recheck after replacing the shift lever assembly 1 Replace the shift lever assembly Refer to P 22C 488 2 Verify that the condition described by the customer exists Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision
379. k the power supply line for short or open circuit Q Is the check result normal YES Go to Step 6 NO Check D 11 intermediate connector When no problem is found repair the wiring harness Then go to Step 8 TSB Revision 22C 444 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 6 Scan tool data list Item No 86 Pressure sensor power supply voltage Refer to data list reference table P 22C 473 Q Is the check result normal YES Go to Step 7 NO Replace the hydraulic unit Refer to P 22C 521 Then go to Step 7 STEP 7 Check whether the DTC is reset Q Is DTC No C1625 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 8 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 8 Check whether the DTC is reset Q Is DTC No C1625 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 445 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC C2100 Battery Voltage Malfunction Low Voltage Power supply system circuit
380. l Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 Drive with shifted in the 3rd gear 3 Check the DTC Q Is DTC No P1878 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 268 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1879 Gear Block 4th A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The engagement of the 4th gear is determined to be impossible LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Gear synchro engagemen is 3 times blocked Malfunction DTC SET
381. lem NOTE Before performing this diagnosis check that the stoplight illuminates when the brake pedal is depressed If the stoplight does not illuminate check that the fol lowing items are normal Then perform this diagno SIS NZ 6 AC901771AD AC807552 BW Open circuit or short to ground including blown fuse in stoplight switch system power supply cir cuit Stoplight switch system output circuit is shorted to ground Improper installation of stoplight switch Malfunction of stoplight switch PROBABLE CAUSES e Malfunction of the transaxle control cable e Malfunction of the shift lever assembly e Malfunction of the transaxle assembly TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 343 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool data list Item No 5 Brake SW Refer to data list reference table P 22C 356 Q Is the check result normal YES Go to Step 7 NO Go to Step 2 STEP 2 Shift lever ECU connector check C 54 Check for the contact with terminals Q Is the check result normal YES Go to Step 3 NO Repair the defective connector STEP 3 Measure the voltage at C 54 shift lever ECU connector Disconnect the connector an
382. lfunction of TC SST ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool data list Item No 30 Drive mode switch Refer to data list reference table P 22C 387 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 3 STEP 3 Twin clutch SST control mode switch check Refer to P 22C 519 Q Is the check result normal YES Go to Step 4 NO Replace the twin clutch SST control mode switch Refer to P 22C 519 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 381 DIAGNOSIS lt SHIFT LEVER gt STEP 4 Twin clutch SST control mode switch connector check C 49 2 Check for the contact with terminals Q Is the check result normal YES Go to Step 5 NO Repair the defective connector STEP 5 Trouble symptom recheck after replacing the shift lever assembly 1 Replace the shift lever assembly Refer to P 22C 488 2 Verify that the condition described by the customer exists Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope wi
383. lfunction of TC SST gear DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 223 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the ignition switch ON operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1857 set YES Go to Step 4 NO Goto Step 3 STEP 3 Check whether the DTC is reset 1 Drive with shifting to each gear range Hold each gear range for 5 seconds or more 2 Check that the DTC is reset Q Is DTC No P1857 set YES Go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Scan tool diagnostic trouble code Check if any code from P1836 P183D P1844 or P184B is set in addition to the diagnostic trouble code No P1857 Q Check if any code from P1836 P
384. lfunction of clutch assembly e Clutch 2 even slip speed 20 r min or more e Malfunction of engine system e Clutch 1 odd state Disengaged e Insufficient fluid JUDGMENT CRITERIA e Calculated torque Clutch 2 even permit torque engine torque 200 N m 148 ft lb or more 4 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 58 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Fluid check Drain the fluid and check that no bubbles foreign material and contamination are found Q Is the check result normal YES Go to Step 4 NO Replace the fluid STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 Gradually accelerate the vehicle 3 Accelerate the vehicle with the accelerat
385. ls e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision 22C 330 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC U0136 AWC Time out Error A CAUTION DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No U0121 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The periodic communication data from the engine an incorrect diagnostic trouble code may be control module cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES Whenever the ECU is replaced
386. lt Functional check Neutral gt START age No Monitoring condition met Shift fork position No gt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction AC710686 Judgment Criteria DIC eee one SFUNCTIONAL e Shift fork position 1 8 mm 0 071 inch or more CHECK NEUTRAL gt 250 millisecond Check Conditions e Voltage of battery 8 V or more OBD II DRIVE CYCLE PATTERN Voltage of battery 16 5 V or less lt FUNCTIONAL CHECK NEUTRAL gt e Engine speed 650 r min or more The shift fork position remains 1 8 mm 0 071 inch Time since above engine condition 1 5 seconds or more e Shift fork 2 current gear Neutral or less for 250 millisecond TSB Revision 22C 196 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 2 requested but shift fork 4 movement gt START No Monitoring condition met Yes Shift fork 4 positio 4th gear side hift fork 4 position lt 6 mm 0 24 inch hift fork 4 positio No 2nd gear side Shift fork 4 position No gt 6 mm 0 24 inch Shift fork 4 position neutral position Shift fork 4 position gt 1 8 mm 0 071 inch Yes eer Le Initialized fork position shift fork 2 position lt 2 5 mm 0 098 inch No Yes No Continuous failure for 200 msec Y
387. lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position lt 0 128 V Yes Continuous failure for 160 msec Yes Malfunction AC710676 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The position sensor voltage remains 0 128 V or more Oneek Condon for 160 millisecond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA BR e Malfunction of TC SST ECU a TONERS eee Ob Reese iil e Malfunction of shift fork position sensor 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 145 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P1825 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach
388. ly Grease Molykote BR2 Plus AC901629AC TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST gt gt D lt lt e lt lt A gt gt e gt gt C lt lt 1 lt lt B gt gt 3 lt lt C gt gt Oo Required Special Tools TRANSAXLE ASSEMBLY Removal steps Transmission fluid draining and refilling Refer to P 22C 479 Strut tower bar Refer to GROUP 42A Strut Tower Bar P 42A 15 Transaxle control cable connection Transaxle control cable bracket Transaxle assembly connector connection Control wiring harness connection Starter mounting bolt Hose clip Oil cooler hose assembly connection e MB991895 Engine Hanger e MB991928 Engine Hanger e MB991930 Joint 90 REMOVAL SERVICE POINTS lt lt D gt gt lt lt E gt gt gt gt B lt lt lt lt F gt gt gt gt A lt lt gt gt A lt lt 13 14 22C 499 Removal steps Front axle crossmember assembly Refer to GROUP 32 Crossmember P 32 15 Transfer assembly Refer to P 22C 495 Transaxle assembly upper part coupling bolt Transaxle mounting bracket Transaxle mounting insulator stopper Transaxle mounting insulator Engine assembly support Transaxle assembly lower part coupling bolt Transaxle assembly O ring e MB991932 Foot standard e MB992201 Engine hanger plate lt lt A gt gt STRUT TOWER BAR REMOVAL After removing the strut tower bar temporarily install the strut assembly
389. m in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal OPERATION AWC ECU receives the wheel speed data from ASC ECU via the CAN communication Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 Replace the AWC ECU Refer to P 22C 518 DTC SET CONDITIONS The wheel speed is observed when the steering angle is in the neutral position and the code is set when the wheel speed which is more than the speci fied value is detected PROBABLE CAUSES e Tire with incorrect diameter equipped e Improper tire pressure e Malfunction of ASC ECU e Malfunction of AWC ECU TSB Revision 22C 408 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus line Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1078 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Check the tires Check that the wheels tires with the identical size are installed and that each tire pressure is within the value speci
390. may be ETACS ECU cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e The CAN bus line is defective the CAN bus lines are normal e Malfunction of the ETACS ECU e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision 22C 332 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST SYMPTOM PROCEDURES DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset After 15 seconds with the engine idle status check that the DTC is reset Q Is DTC No U0141 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 1 Th
391. monitored below e P182A Shift fork position sensor 3 system Volt age low range out P182B Shift fork position sensor 3 system Volt age high range out P182C Shift fork position sensor 3 system Out put range out P182E Shift fork position sensor 3 system Poor performance P1844 Shift fork 3 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 167 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Calculated input shaft speed lt 40 r min Yes Continuous failure for 500 msec Yes Malfunction AC711383AC JUDGMENT CRITERIA DTC SET CONDITIONS e Calculated speed 40 r min or less 500 millisec Check Conditions ond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The calculated speed remains 40 r min or more for Time since above engine condition 1 5 seconds or more 500 millisecond Input shaft 1 odd speed 500 r min or more e Input shaft 2 even sp
392. n Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 30 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P0715 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0716 Input shaft 1 odd number gear axle speed sensor system Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the input shaft 1 odd num ber gear axle speed sensor is normal DESCRIPTIONS OF MONITOR METHODS The rotation speed of the input shaft 1 odd number gear axle is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS
393. n harness B f MB991825 pushing V C I instead the CAN communication g MB991826 ENTER key does not function correctly M U T IIl sub assembly Checking diagnostic trouble codes a Vehicle communication interface V C I b M U T IIl USB cable c M U T III main harness A Vehicles with CAN communication system d M U T II main harness B Vehicles without CAN communication system e M U T III main harness C for Chrysler models only f M U T III measurement adapter g M U T III trigger harness M1225000300093 MB991826 MB991958 MB992006 Making voltage and resistance Extra fine probe measurement during a troubleshooting MB992006 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST SPECIAL TOOLS Tool number and name Supersession Application o AC103525 MD998330 Includes MD998331 Oil pressure gauge 3 0 MPa 427 psi MD998330 01 EE MB991705 MB991705 Adapter Measurement of hydraulic pressure MB991895 Engine hanger Tool not available B991928 MB991928 Engine hanger a MB991929 Joint 50 x 2 b MB991930 Joint 90 x2 c MB991931 Joint 140 x 2 d MB991932 Foot standard x 4 e MB991933 Foot short x 2 f MB991934 Chain and hook assembly Tool not available B992201 MB992201 Engine hanger plate When the engine hanger is used Supporting the engine assembly
394. n hold less Other than above Not present 2 When other than above replace the twin clutch SST control mode switch TRANSMISSION CONTROL REMOVAL AND INSTALLATION A CAUTION M1225009600228 When the transaxle control cable is disconnected check after the installation that the cable is prop erly connected and that the parking lock mechanism operates normally At this time do not check by simply using the display on the combination meter and shift indicator panel Always check according to the procedure below e With the P range the vehicle does not move on a slight slope or when pushed by hands When driving at 5 km h 3 1 mph or less the vehicle stops when the shift lever is moved to the P range Post installation Operation e Key interlock mechanism check Refer to P 22C 482 e Shift lock mechanism check Refer to P 22C 483 e Shift lever operation check Refer to P 22C 481 TSB Revision lt lt A gt gt gt gt C lt lt gt gt B lt lt TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSMISSION CONTROL 11 4N m 98 35 in lb 7 0 3 0 N m 62 26 in lb Shift lever assembly removal steps Shift knob Floor console bracket A Refer to GROUP 52A Floor Console Assembly P 52A 9 Pull ring gt gt A lt lt Key interlock cable connection shift lever side Transaxle control cable connection shift lever side Shift lev
395. n of the shift lever ECU DIAGNOSIS STEP 1 Check the battery Refer to GROUP 54A Battery Test P 54A 8 Q Is the battery in good condition YES Go to Step 2 NO Charge or replace the battery STEP 2 Measure the resistance at C 49 shift lever ECU connector Disconnect the connector and measure the resistance between terminal No 8 and ground at the wiring harness side OK Continuity exists 2 Q or less Q Is the check result normal YES Go to Step 5 NO Goto Step 3 STEP 3 Shift lever ECU connector check C 49 Check for the contact with terminals Q Is the check result normal YES Go to Step 4 NO Repair the defective connector TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 385 DIAGNOSIS lt SHIFT LEVER gt STEP 4 Check the wiring harness between C 49 shift lever ECU connector terminal No 8 and body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness STEP 5 Measure the voltage at C 49 shift lever ECU connector Disconnect the connector and measure the voltage between terminal No 12 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 8 NO Goto Step 6 STEP 6 Shift lever ECU connector check C 49 Check for the contact with terminals Q Is the check result normal YES Go to Step 7 NO Repair the defecti
396. nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 137 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Calculated input shaft speed lt 40 r min Yes Continuous failure for 500 msec Yes Malfunction AC711383AC JUDGMENT CRITERIA DTC SET CONDITIONS e Calculated speed 40 r min or less 500 millisec Check Conditions ond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The calculated speed remains 40 r min or more for Time since above engine condition 1 5 seconds or more 500 millisecond Input shaft 1 odd speed 500 r min or more e Input shaft 2 even speed 500 r min or more PROBABLE CAUSES e Shift fork 1 position Neutral e Malfunction of TC SST ECU e Input shaft 2 even gear Engaged e Malfunction of shift fork position sensor 1 e Engine speed input shaft 2 speed 50 r min or less DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 138 TWIN CLUTCH SPORTRO
397. ndition met Shift fork position No gt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction DTC SET CONDITIONS lt FUNCTIONAL CHECK MOVE OPPOSITE DIRECTION RIGHT SIDE gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Shift fork 3 and 4 current gear Neutral AC710720 e Shift fork 3 and 4 target direction 0 mm 0 inch or less JUDGMENT CRITERIA e Shift fork 3 and 4 position 1 8 mm 0 071 inch or more 250 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK MOVE OPPOSITE DIRECTION RIGHT SIDE gt The shift fork 3 and 4 positions remain 1 8 mm 0 071 inch or less for 250 millisecond TSB Revision 2 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 220 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check move opposite direction left side gt START Monitoring condition met Shift fork position lt 1 8 mm 0 071 inch Yes Continuous failure for 250 msec Yes Malfunction AC710721 JUDGMENT CRITERIA OTO SEF CONDI TONS lt FUNCTIONAL e Shift fork 3 and 4 position 1 8 mm 0 071 inch CHECK MOVE OPPOSITE DIRECTION or less 250 millisecond LEFT SIDE gt Check Conditions OBD II DRIVE CYCLE PATTERN Voltage of battery 8 V or more lt FUNCTIONAL CHECK MOVE Voltage
398. ne room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 SHIFT LEVER OPERATION CHECK lt a lt gt o H l atli Jo is The shift lever moves when the brake pedal is depressed and the pull ring is pulled in with the ignition key in ON position The shift lever moves without pulling the pull ring The shift lever moves when the pull ring is pulled AC803151AD M1225008400180 Check that the engine starts when the shift lever is in the N Brake pedal is depressed or P range and that the engine does not start in other ranges Start the engine and release the parking brake Then check that the vehicle travels forward when the shift lever is in the D range or the mode is set to the manual mode and that the vehicle travels backward when the shift lever is set in the R range Stop the engine Turn ON the ignition switch and move the shift lever from the P to R range Check that the back up light becomes on at this time NOTE Because the misoperation preventive device is equipped the shift lever cannot be moved out of the P posi tion unless the ignition switch is turned to the position other than LOCK OFF and the brake pedal is depressed TSB Revision 22C 482 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST ON VEHICLE SERVICE KEY INTERLOCK MECHANISM CHECK 1 Perform the following checks M1225008500154 I
399. nes Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 102 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES NO Go to Step 3 Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P1805 set YES NO Replace the mechatronic assembly Refer to P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1806 Shift Fork Position Sensor 3 and 4 System Power supply voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the supply voltage to the shift fork position sensor 3 and 4 is normal DESCRIPTIONS OF MONITOR METHODS The supply voltage to the shift fork position sensor 3 and 4 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored
400. ness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P1862 set YES Replace the mechatronic assembly Refer to NO DTC P1863 High side 1 system Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 1 circuit is normal P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DESCRIPTIONS OF MONITOR METHODS The high side 1 circuit is determined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0758 Shift select solenoid 2 system Open cir cuit TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 229 DIAGNOSIS lt TC SST gt e P0976 Shift sel
401. ness wires and connectors Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C2100 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Check the battery Refer to GROUP 54A Battery Test P 54A 8 Q Is the check result normal YES Go to Step 6 NO Charge or replace the battery Then go to Step 5 STEP 5 Check the charging system Refer to GROUP 16 Charging System P 16 8 Q Is the check result normal YES Go to Step 6 NO Repair or replace the charging system component s TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 447 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 6 Voltage measurement at C 51 AWC ECU connector Disconnect the connector and measure the voltage between terminal No 12 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 10 NO Go to Step 7 STEP
402. ng harness STEP 11 Check the wiring harness between C 49 shift lever assembly connector terminal No 3 and C 304 ETACS ECU connector terminal No 2 Check the power supply line for open or short circuit Q Is the check result normal YES Go to Step 12 NO Repair the wiring harness STEP 12 Check the wiring harness between C 49 shift lever assembly connector terminal No 4 and C 313 ETACS ECU connector terminal No 4 Check the power supply line for open or short circuit Q Is the check result normal YES Replace the ETACS ECU Refer to GROUP 54A ETACS ECU P 54A 769 Then go to Step 13 NO Repair the wiring harness TSB Revision 22C 380 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST D IAGNOSIS lt SHIFT LEVER gt STEP 13 Retest the system Q Does a malfunction take place again YES Replace the shift lever assembly Refer to P 22C 488 NO This diagnosis is complete INSPECTION PROCEDURE 4 The driving mode cannot be changed TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION CONTROL MODE SWITCH CIRCUIT Refer to P 22C 333 A CAUTION COMMENTS ON TROUBLE SYMPTOM The twin clutch SST control mode switch or shift lever ECU may have a problem PROBABLE CAUSES e Malfunction of the twin clutch SST control mode switch Whenever the ECU is replaced ensure that the Damaged harness wires and connectors CAN bus lines are normal e Malfunction of the shift lever ECU e Ma
403. ng solenoid 1 TSB Revision 22C 300 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Z WARNING During inspection the vehicle might move suddenly or the engine might stop Be sure to depress the brake pedal securely In addition perform the vehicle inspection in a safe place isolated from people or objects 1 With the brake pedal pressed start the engine 2 With the engine idle status operate the shift lever in the following sequence P R D Hold each range for 1 seconds or more 3 Check that the DTC is reset Q Is DTC No P2733 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check the fluid Q Is the fluid level proper YES Go to Step 4 NO Add the fluid STEP 4 Check the installation status of the mechatronic assembly Q Is the m
404. ng solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 299 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Clutch pressure gt 1 400 hPa Clutch pressure sensor change 0 Shift fork position sensor change 0 Continuous failure for 200 msec Malfunction Good END AC710660AB JUDGMENT CRITERIA DTC SET CONDITIONS e Clutch 1 odd pressure 1 400 hPa or more or Check Conditions clutch 1 pressure sensor odd change 0 and e Voltage of battery 8 V or more shift fork position sensor 1 and 2 change 0 200 e Voltage of battery 16 5 V or less millisecond e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds OBD II DRIVE CYCLE PATTERN OF morg je The status with the clutch 1 pressure 1 400 hPa or Clutch shift switching solenoid 1 ON less or with the clutch 1 pressure sensor odd and Clutch shift switching solenoid 2 OFF shift fork position sensor 1 and 2 changed continues Clutch cooling flow solenoid OFF for 200 millisecond Clutch shift pressure solenoid 1 ON PROBABLE CAUSES e Malfunction of TC SST ECU e Insufficient fluid level e Malfunction of clutch shift switchi
405. nitored below e P0746 Line pressure solenoid system Drive cur rent range out e P0961 Line pressure solenoid system Overvolt age e P0962 Line pressure solenoid system Short to ground e P0963 Line pressure solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 63 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Nes FET Field Effect Transistor Yes Continuous failure for 500 msec Yes Malfunction AC710629AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 1 V or less for 500 e Voltage of battery 8 V or more millisecond e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 1 V or more 500 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of line pressure solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16
406. nnector C 49 A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the CAN back up commu nication LIN is normal DESCRIPTIONS OF MONITOR METHODS The CAN back up communication is determined to be abnormal PROBABLE CAUSES e Malfunction of the shift lever ECU e Malfunction of the LIN bus e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the shift lever diagnostic trouble code Refer to P 22C 366 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 TSB Revision 22C 96 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Inspection of the TC SST ECU connector intermediate connector and shift l
407. nspection Check conditions Items to be checked Normal status procedure 1 Brake pedal Ignition switch position The shift lever cannot be moved out of the P Depressed LOCK OFF or ACC position 2 Ignition switch position The shift lever can be moved from the P position ON to other positions smoothly 3 Shift lever position Other than P The ignition switch cannot be turned to the LOCK OFF position 4 Shift lever position P The ignition switch can be turned to the LOCK OFF position smoothly 2 If there is a problem with above operations install the key interlock cable according to the procedure below Automatic adjustment 1 Disconnect the key interlock cable connection shift lever side Refer to P 22C 493 A CAUTION Leave the ignition switch in the LOCK OFF position until the key interlock cable installation is completed 2 Move the shift lever to the P position and turn the ignition switch to the LOCK OFF position 3 Install the tip of key interlock cable to the lock cam of shift lever assembly using a caution not to twist the inner cable 4 Install the adjuster case with its lock guide pulled up Inner ade A y unlocked eae 5 With the lock cam pin pushed in the direction B as shown Ege AL CLL in the figure to remove the slack from the key interlock AE ze eee cable securely lower the lock guide and lock it Lock cam sin Lock guide NOTE The lock posit
408. ntrol OFF A CAUTION Turn OFF the electric pump relay and turn OFF the ACD control With the actual driving of vehicle there is a difference between when the control is ON and OFF e The steering angle of steering wheel is within Since the fluid in the hydraulic unit will be hard ened under low temperature all the inspection items in the table may not be checked properly Therefore completely remove snow and ice from the hydraulic unit and leave the vehicle under temperature of 0 C 32 F or higher for 4 hours or more before performing the actuator test 1 The actuator test can be performed only when all the following conditions are satisfied e Every wheel speed sensor input is 20 km h 12 4 mph or less e No system malfunction is detected SENSOR NEUTRAL POSITION LEARNED INI TIALIZATION LIST Item 30 from the neutral position 2 With the actuator test when any of the conditions below is met the forced activation will be cancelled e Any of the wheel speed sensors detects an input of 20 km h 12 4 mph or more excluding item No 8 Control OFF A system malfunction is detected The forced activation time has elapsed Scan tool is removed Scan tool clear key is operated Initialization contents Steering angle correction amount Reset the steering angle sensor neutral position learned initialization value The sensor neutral position learned value initial
409. o GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC U0141 ETACS Time out Error A CAUTION JUDGMENT CRITERIA If there is any problem in the CAN bus lines The periodic communication data from the an incorrect diagnostic trouble code may be ETACS ECU cannot be received set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that e The CAN bus line is defective the CAN bus lines are normal e Malfunction of the ETACS ECU e Malfunction of the shift lever ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0141 set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 373 DIAGNOSIS lt SHIFT LEVER gt SYMPTOM PROCEDURES INSPECTION PROCEDURE 1 The scan to
410. o Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1622 set YES Go to Step 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Check other ACD diagnostic trouble code Refer to P 22C 397 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 4 STEP 4 Check whether the DTC is reset Q Is DTC No C1622 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO This diagnosis is complete The clutch protection activated in such driving or road condition as ACD control is applied for a prolonged period STEP 5 Check whether the DTC is reset Q Is DTC No C1622 set YES Return to Step 1 NO This diagnosis is complete DTC C1624 AWC ECU System Internal Error A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU monitors the malfunction in the ECU an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN DTC SET CONDITIONS bus lines The code is set when a malfunction is found in e Whenever the ECU is replaced ensure that AWC ECU the CAN bus lines are normal PROBABLE CAUSES e Malfunction of AWC ECU TSB Revision 22C 442 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIA
411. o be Other Monitor There is no temporary DTC stored normal e Clutch 1 pressure sensor e Clutch 2 pressure sensor e APS e Shift lever ECU in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 325 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes CAN H and CAN shorted Yes CAN H short to ground Yes CAN L N short to battery Yes Continuous failure for 60 msec AC710731 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The CAN communication remains normal for 60 milli e Voltage of battery 8 V or more arona e Voltage of battery 16 5 V or less Time after TC SST ECU start 5 seconds or PROBABLE CAUSES more e The CAN bus line is defective JUDGMENT CRITERIA e Malfunction of TC SST ECU CAN communication Error 60 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 326 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC U0100 Engine Time out Error A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnos
412. of valve body DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 6th gear 3 Check that the DTC is reset Q Is DTC No P1887 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 280 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive with shifted in the 6th gear 3 Check the DTC Q Is DTC No P1887 set YES Replace the transaxle assembly Refer to NO DTC P1888 SHIFT FORK 4 JUMP OUT A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines
413. ol M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 160 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P182A set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P182A set YES Replace the transaxle assembly Refer to P 22C 497
414. ol cannot communicate with the shift lever ECU A CAUTION PROBABLE CAUSES Whenever the ECU is replaced ensure that the e Wrong scan tool wiring harness CAN bus lines are normal e The CAN bus line is defective COMMENTS ON TROUBLE SYMPTOM a of the shift lever ECU power supply circui The CAN bus line shift lever ECU power supply cir cuit or shift lever ECU may have a problem Malfunction ot the shitt laver ERU e ECU malfunction of other system DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Check and repair the shift lever ECU power supply circuit Refer to P 22C 383 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 TSB Revision 22C 374 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt INSPECTION PROCEDURE 2 Shift indicator light does not illuminate Shift lever position indicator panel circuit SHIFT LEVER POSITION INDICATOR 3 i 163 cwus01s4 P R A Ny DA amp NANUAL P 141213 2 3 4 5 1 SHIFT aia LOW SIDE LOW SIDE LOW SIDE LOW SIDE LOW SIDE SWITCH SWITCH SWITCH SWITCH SWITCH CPU AC900534AC Connector C 49 1 A CAUTION PROBABLE CAUSES Whenever the ECU is replaced ensure that the e Malfunction
415. olenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 233 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START f FET Field Effect Transistor No Monitoring condition met FET current gt 8 1 A FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710725 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The status with the current of the FET channel shunt 8 1 Aor less and with the FET channel output 100 mV or more continues for 1 second Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e High side 2 switch ON PROBABLE CAUSES JUDGMENT CRITERIA e FET Field Effect Transistor current 8 1 A or AARE UPd eee more and FET Field Effect Transistor output 100 mV or less 1 second DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 234 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2
416. olenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out P185D Clutch open not possible Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 51 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Vehicle condition met Yes Calculated torque gt 200 N m 148 ft lb Yes Continuous failure for 4 sec Yes Malfunction AC710619AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The value of the calculated torque clutch 1 odd permit torque engine torque remains 200 N m eg eae 148 ft lb or less for 4 seconds e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds PROBABLE CAUSES or more e Malfunction of TC SST ECU e Engine speed 6 800 r min or less e Malfunction of clutch 1 pressure sensor e Clutch 1 odd slip state Slip or engaged e Malfunction of clutch assembly e Clutch 1 odd slip speed 20 r min or more e Malfunction of engine system e Clutch 2 even state Disengaged e Insufficient fluid JUDGMENT CRITERIA e Calculated torque Clutch 1 odd permit torque engine tor
417. olenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground LOGIC FLOW CHARTS Monitor Sequence START Malfunction DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Sensor voltage 0 69 V or less 160 millisecond Monitoring condition met Yes Sensor voltage lt threshold value Yes Continuous failure for 160 msec Yes P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out P185D Clutch open not possible Sensor The sensor below is determined to be normal Shift select solenoid 1 Clutch shift switching solenoid 2 AC710620 OBD II DRIVE CYCLE PATTERN The voltage of the clutch 2 pressure sensor remains 0 69 V or more for 160 milliseconds PROBABLE CAUSES e Malfunction of TC SST ECU Malfunction of clutch 2 pressure sensor TSB Revision 22C 60 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using
418. on 22C 262 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC P1876 Gear Block 1st DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset With the vehicle stopped hold a specific accelerator pedal angle for 20 seconds and check that the DTC is reset Q Is DTC No P1875 set YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 A CAUTION DESCRIPTIONS OF MONITOR METHODS If there is any problem in the CAN bus lines The engagement of the 1st gear is determined to be an incorrect diagnostic trouble code may be impossible set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST gear e Malfunction of clutch assembly TC SST ECU checks that the gear engagement is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III US
419. on 0 302 ratio Differential Hydraulic pressure multiplate clutch ACD gear unit SERVICE SPECIFICATIONS Item Standard value M1225027800057 ACD proportioning valve resistance Q 3 7 0 3 Hydraulic pressure of hydraulic unit during forced activation MPa psi 0 9 1 1 130 159 psi TSB Revision 22C 4 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST LUBRICANTS LUBRICANTS Item Brand Capacity Transmission fluid dm qt DiaQueen SSTF I 7 6 8 0 Including 0 5 0 53 in oil cooler M1225000200234 Transfer oil dm qt DiaQueen LSD gear oil 0 8 0 85 ACD control fluid dm 3 qt DIAMOND ATF SP III 0 9 0 95 Front propeller shaft Sleeve yoke section DiaQueen LSD gear oil Adequate amount Transaxle assembly Spline sections of front Molykote BR2 Plus driveshaft assembly LH and output shaft Spline sections of transfer assembly and transaxle assembly O ring Spline sections of input shaft and flywheel TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 5 SPECIAL TOOLS SPECIAL TOOLS Tool number and name Supersession Application a MB991824 NOTE G For vehicles with CAN b MB991827 MB991826 communication use M U T III c MB991910 M U T III trigger main harness A to send d MB991911 harness is not simulated vehicle speed If you e MB991914 necessary when connect M U T IIl mai
420. on Sensor 2 System Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 2 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 2 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1826 Shift fork position sensor 2 system Volt age high range out P1827 Shift fork position sensor 2 system Out put range out P1828 Shift fork position sensor 2 system Neu tral P1829 Shift fork position sensor 2 system Poor performance P183D Shift fork 2 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision 22C 144 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS
421. on by the spring The lock position of transaxle control cable is automati cally adjusted by a spring gt gt D lt lt TRANSMISSION FLUID REFILLING A CAUTION Refill 6 1 dm 6 4 qt of the transmission fluid NOTE The fluid capacity of the oil cooler assembly and the oil cooler hose is 0 6 dm 0 6 qt A CAUTION e If the transaxle assembly is repaired fill new fluid and check the transmission fluid level Refer to P 22C 478 e When the transaxle assembly is not repaired the drained fluid can be reused if it is between the replace ment intervals TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 503 OIL PAN OIL PAN REMOVAL AND INSTALLATION A CAUTION If a fluid leakage is present in the area around the oil pan clean around the oil pan After cleaning warm up the engine Only if a fluid leakage is present in the area around the oil pan again replace the oil pan assembly M1225028800209 Pre removal and Post installation Operation Turbocharger By pass Valve Hose and Charge Air Cooler Outlet Air Hose E Removal and Installation Refer to GROUP 15 Charge Air Cooler P 15 11 10 1N m O 89 8 in Ib AC901761AC Removal steps Removal steps Continued gt gt B lt lt e Transmission Fluid Draining lt lt B gt gt gt gt A lt lt 2 Oil pan assembly and Refilling Refer to 3 O ring P 22C 479 lt lt A gt gt 1
422. on fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required gt 10 C 14 F 1 220 msec D gt N or R N or R P lt 10 C 14 F 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec R or D or manual mode 7 7 gt 10 C 14 F 2 220 msec Example of the time required i When the shift lever position is P The time required is always 220 msec ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec AC805097AB TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS lt TARGET CLUTCH 1 ODD PRESSURE 3 000 HPA OR MORE gt Check Conditions e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more Time required DIAGNOSIS lt TC SST gt more JUDGMENT CRITERIA e Calculated pressure 5 000 hPa or less Time required 22C 113 e Clutch 1 odd state Slip or engaged e Target clutch 1 odd pressure 3
423. on move OTHER MONITOR AND SENSOR ment e P1857 Odd number gear axle interlock Other Monitor There is no temporary DTC stored e P1876 Gear block 1st in memory for the item monitored below e P1877 Gear block 2nd e P1820 Shift fork position sensor 1 system Volt e P1878 Gear block 3rd age low range out e P1879 Gear block 4th e P1822 Shift fork position sensor 1 system Out e P187A Gear block 5th put range out e P187B Gear block 6th e P1823 Shift fork position sensor 1 system Neu e P187C Gear block reverse tral A P1824 Shift fork position sensor 1 system Poor Sensor The sensor below is determined to be normal performance P1836 Shift fork 1 malfunction Not applicable e P1852 Shift fork 1 or 2 opposite direction move ment LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position gt 3 008 V Yes Continuous failure for 160 msec Yes Malfunction AC710680 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Ch ae The position sensor voltage remains 3 008 V or less eck Conditions e Voltage of battery 8 V or more or 160 fAillisaponds e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA a e Malfunction of TC SST ECU i posed See a Omaha 100 e Malfunction of shift fork position sensor 1 millisecond TSB Revision 22C 132 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required S
424. or The sensor below is determined to be normal e Shift select solenoid 2 e Line pressure solenoid e Shift cooling switching solenoid TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 245 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met Yes N FET output lt 100 mV Yes Continuous failure No for 5 sec Yes JUDGMENT CRITERIA DTC SET CONDITIONS e FET output 100 mV or less 5 seconds AC710728 Check Conditions e Voltage of battery 8 V or more OBD II DRIVE CYCLE PATTERN e Voltage of battery 16 5 V or less The FET channel output remains 100 mV or more for e Engine speed 650 r min or more 5 seconds e Time since above engine condition 1 5 seconds or more e FET Field Effect Transistor of high side 1 PROBABLE CAUSES Switched off e Malfunction of TC SST ECU e Malfunction of power supply circuit open circuit DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 246 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO ST
425. or 200 msec AC902557 e Voltage of battery 16 5 V or less DTC SET CONDITIONS e Time after TC SST ECU start 5 seconds or Check Conditions more e Voltage of battery 8 V or more TSB Revision Z TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 252 DIAGNOSIS lt TC SST gt ee SNA or parity toggle error PROBAR TERTS g q gnal PAE Peles l e The CAN bus line is defective immediatel y e Malfunction of engine control module OBD II DRIVE CYCLE PATTERN Malfunction of TC SST ECU Receives the normal value of the engine torque sig nal or the parity toggle are normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using the scan tool diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check if the diagnostic trouble code is set to the system other than TC SST Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool diagnostic trouble code After 15 seconds with the engine idle status check that the diagnostic trouble code for engine is set Re
426. or less Shift indicator voltage M mode Ignition switch Shift lever position Manual mode 10 370 digits Shift lever position Other than above 10 digits or less Shift indicator voltage N range Ignition switch Shift lever position N 10 370 digits Shift lever position than above 10 digits or less Shift indicator voltage P range Ignition switch Shift lever position 10 370 digits Shift lever position than above 10 digits or less Shift indicator voltage R range Ignition switch Shift lever position 10 370 digits Shift lever position than above 10 digits or less Shift indicator PWM Day Ignition switch TSB Revision 100 22C 388 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt Display on scan Check conditions Normal conditions tool Shift indicator PWM gnition switch ON 20 Night ILL Ignition switch ON Headlight taillight ON ON Headlight taillight OFF OFF Ignition SW Ignition switch ON ON Ignition switch START START Shift position Shift lever position Manual mode 1st Driving at a constant speed in 1st Shift lever position Manual mode 2nd Driving at a constant speed in 2nd Shift lever position Manual mode 3rd Driving at a constant speed in 3rd Shift lever position Manual mode 4th Driving at a constant
427. or less e High side 3 switch ON PROBABLE CAUSES JUDGMENT CRITERIA e FET Field Effect Transistor Can t be switched PhO MONO UPd ee on and FET Field Effect Transistor output 100 mV or less 1 second DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 242 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P186B set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P186C High side 3 system Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are n
428. or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA e Malfunction of TC SST ECU e iF slg Piraci Trans DURU LO NEN pr e Malfunction of clutch shift switching solenoid 1 less 200 millisecond DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 304 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P2738 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2739 Clutch Shift Switching Solenoid 1 System Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shi
429. or more e Requested shift fork Shift fork 4 JUDGMENT CRITERIA e Shift fork position 6 mm 0 24 inch 6th gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 4 position 2 5mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 3 REQUESTED BUT SHIFT FORK 4 MOVEMENT gt The status of the shift fork position 6 mm 0 24 inch 6th gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the initialized fork position shift fork 3 position 2 5 mm 0 098 inch or more continues for 200 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 163 No 180 No 188 or No 189 is set Q Which monitoring unit is set No 163 No 180 No 1
430. or pedal fully opened 4 Check that the DTC is reset Q Is DTC No P0846 set YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0847 Clutch 2 Pressure Sensor System Output low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 2 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The output of the clutch 2 pressure sensor is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 59 DIAGNOSIS lt TC SST gt e P0848 Clutch 2 pressure sensor system Output high range out e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground e P0974 Shift select solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching s
431. orded A CAUTION TC SST ECU receives chassis number information from the engine control module via CAN and write to e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be TC SST ECU set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The chassis number is determined to be written the CAN bus lines are normal abnormally DIAGNOSTIC FUNCTION TC SST ECU checks that the chassis number is nor mal PROBABLE CAUSES e The CAN bus line is defective e Malfunction of engine control module e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P0630 set YES Replace the mechatron
432. ormal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 3 circuit is normal DESCRIPTIONS OF MONITOR METHODS The high side 3 circuit is determined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1 system Short to ground P0974 Shift select solenoid 1 system Short to power supply P2727 Clutch shift pressure solenoid 2 system Open circuit P2728 Clutch shift pressure solenoid 2 system Overcurrent P2729 Clutch shift pressure solenoid 2 system Short to ground P2730 Clutch shift pressure solenoid 2 system Short to power supply P2809 Clutch shift switching solenoid 2 spool stuck P2812 Clutch shift switching solenoid 2 system Open circuit P2814 Clutch shift switching solenoid 2 system Short to ground P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal Shift select solenoid 1 Clutch shift pressure solenoid 2 Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRA
433. ose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool data list Item No 11 Steering wheel sensor Refer to P 22C 473 Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0428 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset Q Is DTC No U0428 set YES Return to Step 1 NO This diagnosis is complete TSB Revision 22C 460 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC U0431 ETACS Data Error A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when abnormality is detected in the an incorrect diagnostic trouble code may be signal received from the ETACS ECU set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that DEn Pah ee i l f R E R aac a e Malfunction of the ETACS ECU OPERATION e Malfunction of AWC ECU AWC ECU communica
434. osition 2 5 mm 0 098 inch or more continues for 200 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of TC SST shift fork DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Monitoring unit No check 1 Check the freeze frame data item No 30 to No 37 2 Check which monitoring unit No 161 No 174 No 184 or No 185 is set Q Which monitoring unit is set No 161 No 174 No 184 or No 185 No 161 Go to Step 4 Other than No 161 Go to Step 3 TSB Revision 22C 200 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P183D set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset 1 Erase the DTC 2
435. oval Refer to GROUP 51 Front Bumper Assembly and Radiator Grille P 51 5 e Battery Removal Refer to GROUP 54A Battery P 54A 10 e Radiator Cap Assembly Mounting Bolt Radiator Con denser Tank and Radiator Condenser Tank Bracket Removal Refer to GROUP 14 Radiator P 14 50 e Relay Box Mounting Bolt Removal e Water Pump Pulley Removal Refer to GROUP 14 Water Pump P 14 39 Post installation Operation e Water Pump Pulley Installation Refer to GROUP 14 Water Pump P 14 39 Relay Box Mounting Bolt Installation e Radiator Cap Assembly Mounting Bolt Radiator Con denser Tank and Radiator Condenser Tank Bracket Installation Refer to GROUP 14 Radiator P 14 50 e Battery Installation Refer to GROUP 54A Battery P 54A 10 e Headlight Support Panel Cover Installation Refer to GROUP 51 Front Bumper Assembly and Radiator Grille P 51 5 e Air Cleaner Assembly and Air Cleaner Bracket Installation Refer to GROUP 15 Air Cleaner P 15 9 Engine Upper Cover Installation Refer to GROUP 16 Ignition Coil P 16 50 Engine Room Under Cover Front B and Engine Room Side Cover Installation Refer to GROUP 51 Under Cover P 51 20 50 5N m 47 7N m 37 3 ft lb 35 5 ft lb in 95 10 N m if 71 7 ft lb B hus Ne p 11 we A 12 AN 50 5N m en ey a 37 3 ft lb 7 ORI q ur 51 7 N m 38 5 ft lb 13 51 7 N m 38 5 ft lb Transfer assemb
436. ow is determined to be e P1879 Gear block 4th normal e P187A Gear block 5th e Not applicable LOGIC FLOW CHARTS Monitor Sequence START Yes Shift fork position gt 3 008 V Yes Continuous failure for 160 msec Yes Malfunction AC710680 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Ch me The position sensor voltage remains 3 008 V or less eck Conditions e Voltage of battery 8 V or more Ob ep E e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA aa e Malfunction of TC SST ECU Posen Sensor VONAGE 2 008 V prior 160 e Malfunction of shift fork position sensor 3 millisecond TSB Revision 22C 162 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P182B set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool
437. owing sequence P gt R gt D R P Hold each range for 1 second or more 3 Check that the DTC is reset Q Is the DTC No P1852 set YES Replace the mechatronic assembly Refer to NO P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1855 Shift Fork 3 or 4 opposite direction movement A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the movement of the shift fork is normal DESCRIPTIONS OF MONITOR METHODS The movements of the shift fork 3 and 4 are deter mined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1836 Shift fork 1 malfunction e P183D Shift fork 2 malfunction e P1844 Shift fork 3 malfunction e P184B Shift fork 4 malfunction Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 219 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check move opposite direction right side gt START Monitoring co
438. pairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 5th gear 3 Check that the DTC is reset Q Is DTC No P187A set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 4 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 4 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 Drive with shifted in the 5th gear 3 Check the DTC Q Is DTC No P187A set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 272 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P187B Gear Block 6th A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN
439. pairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0977 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 91 DIAGNOSIS lt TC SST gt DTC P1637 EEPROM System DTC storing malfunction A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that EEPROM in TC SST ECU is normal DESCRIPTIONS OF MONITOR METHODS The EEPROM writing data is determined to be abnormal LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Yes Memory 1 calculated checksum memorized checksum Memory 2 calculated checksum memorized checksum Malfunction Rationality MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable Malfunct
440. pe with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 3 Scan tool Teach In 1 Perform Teach In the same item as the mechatronic assembly replacement Refer to P 22C 8 2 After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1890 set YES Go to Step 4 NO This diagnosis is complete STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1890 set YES Go to Step 5 NO This diagnosis is complete STEP 5 Replace the clutch assembly and check if the DTC is reset 1 Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 2 After 10 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1890 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P2718 Clutch Shift Pressure Solenoid 1 System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus l
441. pecial Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P1821 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1821 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHI
442. peed Highside driver 1 state Highside driver 2 state Highside driver 3 state Dumper speed sensor TSB Revision 22C 16 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DIAGNOSTIC TROUBLE CODE CHART A CAUTION During diagnosis a DTC associated with other system may be set when the ignition switch is turned ON with connector s disconnected On completion confirm all systems for DTC s If DTC s are set erase them all NOTE e The monitoring unit No indicates the malfunction code applicable to each DTC No and it can be con firmed by the freeze frame data item No 30 to No 37 For the DTC No with the malfunction indicator lamp lights up when the applicable DTC No is set e The definition of drive cycle indicates from Ignition switch ON after starting the engine Ignition switch LOCK OFF to Ignition switch ON again M1225000600395 Monitoring Diagnostic item Judgment Reference unit No drive cycle page 204 VIN not recorded 1 P 22C 22 081 EEPROM system Malfunction 2 P 22C 23 087 088 Internal control module monitoring processor system 1 P 22C 24 Malfunction 136 TC SST ECU temperature sensor system Output low P 22C 25 range out 101 TC SST ECU temperature sensor system Output high P 22C 26 range out 090 Input shaft 1 odd number gear axle speed sensor P 22C 28 system Output high range out
443. placed ensure that the CAN bus lines are normal DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Retest the system Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Goto Step 3 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 471 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Voltage measurement at C 51 AWC ECU connector Disconnect the connector and measure the voltage between terminal No 12 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 6 NO Go to Step 4 STEP 4 AWC ECU connector ETACS ECU connector intermediate connector check C 51 C 315 C 35 Q Is the check result normal YES Go to Step 5 NO Repair the defective connector Then go to Step 13 STEP 5 Check the wiring harness between C 51 AWC ECU connector terminal No 12 and C 315 ETACS ECU connector terminal No 4 Check the wiring harness for open circuit Q Is the check result normal YES Go to Step 12 NO Check C 35 intermediate connector When no problem is found repair the wiring harness Then go
444. pline section of transaxle assembly input shaft a Grease Brand name Molykote BR2 Plus Transaxle assembly X Tonio AC708152AC gt gt B lt lt TRANSAXLE MOUNTING INSULATOR STOPPER INSTALLATION Install the transaxle mounting insulator stopper as shown in the Transaxle side gt figure Transaxle mounting insulator stopper AC707819AC TSB Revision 22C 502 Shift control lever Shift control lever Slider 5 Lock piece t A eae n Shift control lever control cable S AC707742AD Slider Lock piece Transaxle s4 control cable Ns a Shift control lever AC707743AD TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST TRANSAXLE ASSEMBLY gt gt C lt lt TRANSAXLE CONTROL CABLE INSTALLATION 1 Operate the lever so that the shift control lever positioning mark is set to the N position 2 Move the slider of the transaxle control cable transaxle side tip to the direction A to pull up the lock piece to the direction B 3 Install the transaxle control cable transaxle side in the transaxle control cable bracket at the top of transaxle 4 Move the shift lever to the N amp D position three times or more and shift to the N position 5 Connect the transaxle control cable to the shift control lever and firmly push down the lock piece of transaxle control cable to lock it NOTE The slider automatically returns to the fixed positi
445. ply e P2727 Clutch shift pressure solenoid 2 system Open circuit e P2728 Clutch shift pressure solenoid 2 system Overcurrent e P2729 Clutch shift pressure solenoid 2 system Short to ground e P2730 Clutch shift pressure solenoid 2 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift pressure solenoid 2 e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 241 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor No Monitoring condition met FET switched on FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710726AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The status with the FET switch ON and with the FET channel output 100 mV or more continues for 1 sec ond Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V
446. position lt 6 mm 0 24 inch Shift fork 1 positio R gear side hift fork 1 position gt 6 mm 0 24 inch Shift fork 1 position neutral position No gt 1 8 mm 0 071 inch Initialized fork position shift fork 2 position lt 2 5 mm 0 098 inch No Continuous failure for 200 msec Malfunction AC710710 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 199 DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 2 REQUESTED BUT SHIFT FORK 1 MOVEMENT gt Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 2 Judgment Criteria e Shift fork position 6 mm 0 24 inch 1st gear side or less or 6 mm 0 24 inch reverse gear side or more or 1 8 mm 0 071 inch neutral position or more and initialized fork position shift fork 2 position 2 5 mm 0 098 inch or less 200 millisecond OBD II DRIVE CYCLE PATTERN lt FUNCTIONAL CHECK SHIFT FORK 2 REQUESTED BUT SHIFT FORK 1 MOVEMENT gt The status with the shift fork position 6 mm 0 24 inch 1st gear side or more or with 6 mm 0 24 inch reverse gear side or less or with 1 8 mm 0 071 inch neutral position or less and with the ini tialized fork position shift fork 2 p
447. position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 126 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 2 even pressure 1 400 START hPa or less gt Monitoring condition met Calculated pressure lt 1 000 hPa Continuous failure for time required Malfunction Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required gt 10 C 14 F 1 220 msec D N or R N or R P lt 10 C 14 F 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec R or D or manual mode 3 gt 10 C 14 F 2 220 msec Example of th
448. pplicable TSB Revision 22C 44 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met ee FET Field Effect Transistor No Yes Continuous failure for 1 sec Yes Malfunction AC710622 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 1 V or less for 1 e Voltage of battery 8 V or more second e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA l e Malfunction of TC SST ECU peer ene eh MANSIS Oulu ly Ormore e Malfunction of shift select solenoid 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 45 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P0758 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 Ho
449. pply voltage remains 3 07 V or more for 140 e Voltage of battery 8 V or more milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Supply voltage 3 07 V or less 140 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of shift fork position sensor 1 and 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 100 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES NO Go to Step 3 Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No P1804 set YES NO Replace the mechatronic assembly Refer to P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1805 Shift Fork Position Sensor 1 and 2
450. pressure sensor system Output high range out e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out P185D Clutch open not possible U0001 Bus off U0100 Engine time out error P1803 Shift lever system CAN or LIN time out error e P1870 Engine torque signal abnormality e P1872 Between shift lever and TC SST system Q A function abnormality Sensor The sensor below is determined to be normal Clutch 1 pressure sensor Clutch 2 pressure sensor APS Shift lever ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 254 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met APS signal SNA APS signal Parity bit error APS signal toggle bit error Continuous failure for 200 msec AC902558 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions Receives the normal value of the APS signal or the e Voltage of battery 8 V or more parity toggle are normal e Voltage of battery 16 5 V or less Time after TC SST ECU start 5 seconds or PROBABLE CAUSES more e The CAN bus line is defective e APS malfunction MDOMENT CRITERIA e Malfunction of engine control module e APS signal SNA or parity toggle error e Malfunction of TC SST ECU TSB R
451. problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the ECU tem perature sensor is normal DESCRIPTIONS OF MONITOR METHODS The output of the ECU temperature is determined to be too high MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0712 TC SST ECU temperature sensor system Output low range out e P1808 TC SST ECU temperature fluid tempera ture sensor system Correlation error Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 27 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Vehicle condition met ie Fluid temperature gt 149 C 300 2 F Continuous failure for 400 msec Yes Malfunction AC710594AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN ee The TC SST ECU temperature remains 149 C Check Conditions 7 ga Voltage of battery 8 V or more 300 2 F or less for 400 milliseconds e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Fluid temperature 149 C 300 2 F or more 400 millisecond PROBABL
452. que 200 N m 148 ft lb or more 4 seconds DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 52 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Scan tool diagnostic trouble code Check the engine diagnostic trouble code Refer to GROUP 13A Troubleshooting P 13A 50 Q Is the DTC set YES Perform the relevant troubleshooting NO Go to Step 3 STEP 3 Fluid check Drain the fluid and check that no bubbles foreign material and contamination are found Q Is the check result normal YES Go to Step 4 NO Replace the fluid STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 Gradually accelerate the vehicle 3 Accelerate the vehicle with the accelerator pedal fully opened 4 Check that the DTC is reset Q Is DTC No P0841 set YES Replace the clutch assembly Refer to GROUP 22D NO Transaxle P 22D 6 Intermittent malfunction Refer to GROUP 00 How to Cope with Inte
453. r check C 49 2 Check for the contact with terminals Q Is the check result normal YES Go to Step 5 NO Repair the defective connector STEP 5 Retest the system Q Does a malfunction take place again YES Go to Step 6 NO The inspection is complete STEP 6 Trouble symptom recheck after replacing the shift lever assembly 1 Replace the shift lever assembly Refer to P 22C 488 2 Verify that the condition described by the customer exists Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST I AGNOSS Tess OSSD INSPECTION PROCEDURE 3 Speed change with the paddle shift is impossible Connector Connector C 127 Paddle shift switch system circuit SHIFT LEVER CPU C49 Foam 8 9 10 11 12 13 14 15 16 10 in Lu 10 6 127 aaa Ses Lg 9 10 11 12 13 14 15 16 z 3 2j PADDLE SHIFT SWITCH N C 210 DOWN ti 213 BLACK BLACK AC608145BW A CAUTION Whenever the ECU is replaced ensure that the CAN bus lines are normal BLACK AC803077 COMMENTS ON TROUBLE SYMPTOM The pad
454. r Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0967 Clutch cooling flow solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 75 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Yes FET output lt 100 mV Yes Continuous failure for 180 msec Yes Malfunction AC710637 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The FET channel output remains 100 mV or more for e Voltage of battery 8 V or more POO UDINSE CONES e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e FET Field Effect Transistor output 100 mV or less 180 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch cooling flow solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 di
455. r open circuit Q Is the check result normal YES Go to Step 12 NO Repair the wiring harness Then go to Step 11 STEP 11 Scan tool data list Combination meter item No F13 F14 F15 Mode display Refer to GROUP 54A Combination Meter P 54A 94 Q Is the check result normal YES Go to Step 12 NO Replace the combination meter Refer to GROUP 54A Combination Meter P 54A 124 Then go to Step 12 TSB Revision 22C 470 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 12 Retest the system Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Replace the AWC ECU Refer to P 22C 518 Then go to Step 13 STEP 13 Retest the system Q Is the check result normal YES Return to Step 1 NO This diagnosis is complete INSPECTION PROCEDURE 3 AWC ECU power supply circuit malfunction Control mode is not displayed POWER SUPPLY SYSTEM CIRCUIT COMMENTS ON TROUREE SYMPTOM 3 AWC ECU power supply circuit ground circuit or Seance AWC ECU may have a problem A CAUTION e If there is any problem in the CAN bus lines PROBABLE CAUSES an incorrect trouble symptom may occur e Malfunction of the ETACS ECU Prior to this diagnosis always diagnose the Damaged harness wires and connectors CAN bus lines e Malfunction of AWC ECU e Whenever the ECU is re
456. r supply Always Battery positive voltage Ignition switch IG1 Ignition switch ON Battery positive voltage Ignition switch Other than above 1 V or less Illumination ground Taillight Turned ON In accordance with the rheostat switch operation the voltage changes Taillight Turned OFF 1 V or less P range output Ignition switch ON Shift lever position P Battery positive voltage Shift lever position Other than above 1 V or less TSB Revision 22C 392 Connector number Terminal No TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Check items DIAGNOSIS lt SHIFT LEVER gt Check conditions Standard value C 49 1 1 D range lamp Ignition switch ON Shift lever position D 1 V or less Shift lever position Other than above Battery positive voltage N range lamp Ignition switch ON Shift lever position N 1 V or less Shift lever position Other than above Battery positive voltage R range lamp Ignition switch ON Shift lever position R 1 V or less Shift lever position Other than above Battery positive voltage P range lamp Ignition switch ON Shift lever position P 1 V or less Shift lever position Other than above Battery positive voltage Manual mode lamp Illumination power supply Power supply Ignition switch O
457. r than transaxle Perform PROBABLE CAUSES this troubleshooting after checking that the following probable causes are normal e Insufficient or contaminated fluid e Malfunction of the mechatronic assembly e Malfunction of the clutch assembly e Engine system e Malfunction of the transaxle assembly Vibration of exhaust system TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 355 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE STEP 1 Fluid check Check for the fluid level and if no foreign material and contami nation are found Q Is the check result normal YES Go to Step 2 NO Charge or replace the fluid STEP 2 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505 Then go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Retest the system Q Does a malfunction take place again YES Replace the clutch assembly Refer to GROUP 22D Transaxle P 22D 6 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Retest the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision TWIN CLUTCH SP
458. r to P 22C 519 Then go to Step 15 STEP 8 Electric pump relay connector check A 22X Q Is the check result normal YES Go to Step 9 NO Repair the defective connector Then go to Step 15 STEP 9 Check the wiring harness between A 22X electric pump relay connector terminal No 2 and fusible link 35 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 10 NO Repair the wiring harness Then go to Step 15 STEP 10 Electric pump connector check F 29 Q Is the check result normal YES Go to Step 11 NO Repair the defective connector Then go to Step 15 TSB Revision 22C 440 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 11 Check the wiring harness between A 22X electric pump relay connector terminal No 4 and F 29 electric pump connector terminal No 2 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 12 NO Check C 136 and D 13 intermediate connectors When no problem is found repair the wiring harness Then go to Step 15 STEP 12 Check the wiring harness between F 29 electric pump connector terminal No 1 and body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 13 NO Repair the wiring harness Then go to Step 15 STEP 13 Check whether the DTC is reset Q Is DTC No C161E
459. r to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 5th gear 3 Check the DTC Q Is DTC No P1829 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 158 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P182A Shift Fork Position Sensor 3 System Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 3 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 3 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the
460. r to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P2728 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2729 Clutch Shift Pressure Solenoid 2 System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 2 circuit is deter mined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch sh
461. rase the DTC 2 Drive with shifting to each gear range 3 Check that the DTC is reset Q Is DTC No P1836 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 4 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1836 set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 6 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 6 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Fun
462. re continues for 1 sec ond PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P1863 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1864 High side 1 system Short to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The high side 1 circuit is determined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS
463. rent gear Neutral The shift fork position remains 1 8 mm 0 071 inch or less for 250 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 211 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Functional check Shift fork 4 requested but shift fork 2 movement gt START Monitoring condition met Shift fork 2 positio 5th gear side Shift fork 2 position lt 6 mm 0 24 inch hift fork 2 positio 3rd gear side Shift fork 2 position gt 6 mm 0 24 inch Shift fork 2 position neutral position gt 1 8 mm 0 071 inch Initialized fork position shift fork 4 position lt 2 5 mm 0 098 inch Continuous failure for 200 msec AC710716 TSB Revision 22C 212 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS lt FUNCTIONAL CHECK SHIFT FORK 4 REQUESTED BUT SHIFT FORK 2 MOVEMENT gt Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more e Requested shift fork Shift fork 4 JUDGMENT CRITERIA e Shift fork position 6 mm 0 24 inch 5th gear side or less or 6 mm 0 24 inch 3rd gear side or more or 1 8 mm 0 071 inch neutral position or more and Initialized fork position shift fork 4 position 2 5 mm 0 09
464. required D gt N or R N or R P gt 10 C 14 F lt 10 C 14 F 1 220 msec 2 220 msec N or ip All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 2 EVEN PRESSURE 3 000 HPA OR MORE gt The calculated pressure remains 5 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D N or R N or R gt P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or Spr All range 220 msec R or D or manual mode
465. reset Q Is DTC No P1844 set YES Go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Scan tool Teach In 1 Carry out the Item No 3 Line pressure Test Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Go to Step 6 No DTC No P181B Carry out the troubleshooting for the DTC No P181B Clutch 1 Pressure low range out Refer to P 22C 109 STEP 6 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 7 TSB Revision 22C 208 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 7 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 6th gear 3 Check the DTC Q Is DTC No P1844 set YES Replace the transaxle assem
466. ressure hose assembly connection 8 Steering gear and linkage heat protector 9 Turbocharger protector A 10 Transfer assembly Transfer pressure hose gt gt A lt lt 11 assembly 12 Gasket Mating marks AC708894AC REMOVAL SERVICE POINTS lt lt A gt gt FRONT PROPELLER SHAFT ASSEMBLY REMOVAL Make mating marks on the front propeller shaft assembly and companion flange then remove the connecting nut lt lt B gt gt TRANSFER ASSEMBLY REMOVAL Move the engine and transaxle assembly toward the front of the vehicle to create a gap between the engine transaxle assembly and the crossmember Pull out the transfer assembly through this gap INSTALLATION SERVICE POINT gt gt A lt lt TRANSFER PRESSURE HOSE ASSEMBLY INSTALLATION A CAUTION When installing the transfer pressure hose assembly use caution that the assembly does not interfere with sur rounding components TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 497 TRANSAXLE ASSEMBLY TRANSAXLE ASSEMBLY REMOVAL AND INSTALLATION A CAUTION e When the transaxle assembly is replaced save the vehicle identification number and perform the variant coding Refer to the M U T III Owner s Manual and perform coding When the mechatronic assembly is replaced reprogram the ECU and carry out the following Teach In Refer to P 22C 8 e When the clutch assembly is replaced the following Teach
467. ring the CAN bus line go to Step 2 TSB Revision 22C 108 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P1808 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P180C Clutch pressure cut spool sticking A CAUTION DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the clutch pressure cut an incorrect diagnostic trouble code may be spool is normal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The clutch pressure cut spool is determined to be the CAN bus lines are normal seized PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the C
468. rk Position Sensor 2 System Output range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the shift fork position sensor 2 is normal DESCRIPTIONS OF MONITOR METHODS The output of the shift fork position sensor 2 is deter mined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1825 Shift fork position sensor 2 system Volt age low range out P1826 Shift fork position sensor 2 system Volt age high range out P1828 Shift fork position sensor 2 system Neu tral P1829 Shift fork position sensor 2 system Poor performance P183D Shift fork 2 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION T
469. rk position sensor 3 and 4 system Power supply voltage high range out P 22C 104 105 TC SST ECU temperature fluid temperature sensor system Correlation error P 22C 106 113 Clutch pressure cut spool sticking P 22C 108 124 Clutch 1 Pressure low range out P 22C 109 125 Clutch 1 Pressure high range out P 22C 111 129 P 22C 118 130 Clutch 2 Pressure low range out Clutch 2 Pressure high range out P 22C 121 008 Shift fork position sensor 1 system Voltage low range out TSB Revision P 22C 128 22C 18 Monitoring unit No TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Diagnostic item Judgment drive cycle Reference page 009 Shift fork position sensor 1 system Voltage high range out 1 P 22C 130 144 Shift fork position sensor 1 system Output range out P 22C 133 158 Shift fork position sensor 1 system Neutral P 22C 136 156 Shift fork position sensor 1 system Poor performance P 22C 139 Shift fork position sensor 2 system Voltage low range out P 22C 143 Shift fork position sensor 2 system Voltage high range out P 22C 145 Shift fork position sensor 2 system Output range out P 22C 148 Shift fork position sensor 2 system Neutral P 22C 151 Shift fork position sensor 2 system Poor perfo
470. rmal DESCRIPTIONS OF MONITOR METHODS The supply current to the high side 2 is determined to be overcurrent MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0776 Clutch cooling flow solenoid system Drive current range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply e P2718 Clutch shift pressure solenoid 1 system Open circuit e P2719 Clutch shift pressure solenoid 1 system Overcurrent e P2720 Clutch shift pressure solenoid 1 system Short to ground e P2721 Clutch shift pressure solenoid 1 system Short to power supply e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch cooling flow solenoid e Clutch shift pressure solenoid 1 e Clutch shift switching s
471. rmal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 4th gear check that the DTC is reset Q Is DTC No P1835 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Drive in the 4th gear 3 Check the DTC Q Is DTC No P1835 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision 22C 186 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1836 Shift Fork 1 Malfunction A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose th
472. rmance P 22C 154 Shift fork position sensor 3 system Voltage low range out P 22C 158 Shift fork position sensor 3 system Voltage high range out P 22C 160 219 Shift fork position sensor 3 system Output range out Shift fork position sensor 3 system Neutral P 22C 163 P 22C 166 153 Shift fork position sensor 3 system Poor performance P 22C 169 014 Shift fork position sensor 4 system Voltage low range out P 22C 172 015 Shift fork position sensor 4 system Voltage high range out P 22C 174 150 Shift fork position sensor 4 system Output range out P 22C 176 159 Shift fork position sensor 4 system Neutral P 22C 179 157 Shift fork position sensor 4 system Poor performance P 22C 182 160 172 182 183 Shift fork 1 malfunction P 22C 186 161 174 184 185 Shift fork 2 malfunction P 22C 193 162 178 186 187 Shift fork 3 malfunction P 22C 201 163 180 188 189 Shift fork 4 malfunction P 22C 208 190 191 Shift fork 1 or 2 opposite direction movement P 22C 216 192 193 Shift fork 3 or 4 opposite direction movement P 22C 218 194 Odd number gear axle interlock P 22C 221 195 Even number gear axle interlock P 22C 224 223 Clutch open not possible TSB Revision P 22C 226 TWIN CLUTCH SPORTRONIC SHI
473. rmance Sensor The sensor below is determined to be normal e Input shaft 2 even number gear axle speed sen sor TSB Revision 22C 36 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor current lt 4 mA No Sensor current gt 17 mA Yes Continuous failure for 500 msec Malfunction AC710596 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The sensor current remains 4 mA or more for 500 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Time after engine start 1 5 seconds or more PROBABLE CAUSES e Malfunction of TC SST ECU JUDGMENT CRITERIA e Sensor current 4 mA or less 500 millisecond MENUDENON O1 NPU SHAR epee Eoma DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 37 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the D
474. rmittent Malfunction P 00 13 DTC P0842 Clutch 1 Pressure Sensor System Output low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 1 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The output of the clutch 1 pressure sensor is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0843 Clutch 1 pressure sensor system Output high range out e P0753 Shift select solenoid 1 system Open cir cuit TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 53 DIAGNOSIS lt TC SST gt e P0973 Shift select solenoid 1 system Short to e P181B Clutch 1 Pressure low range out ground e P181C Clutch 1 Pressure high range out n solenoid 1 system Short to e P181E Clutch 2 Pressure low range out e P2733 Clutch shift switching solenoid 1 spool e P181F Clutch 2 Pressure high range out stuck e P185D Clutch open not possible e P2736 Clutch shift switching solenoid 1 system Sensor The sensor below is determined to be
475. roportioning Valve System Malfunction ACD proportioning valve system tslelrslonon 12 13 25 26 PROPOR TIONING VALVE EAA CONTROL F 28 MU802337 LN OS Connector C 51 a AC807570 AH A CAUTION e If there is any problem in the CAN bus lines esi C 51 BLUE BLUE 7 D 11 13a O15 6 78 9 10 T2131 ATS 61 18 19 2021 22 i BLACK AC803123AB Connector F 28 wae AC807572 AT DTC SET CONDITIONS The code is set when the current monitor value of the an incorrect diagnostic trouble code may be ACD proportioning valve solenoid is determined to set Prior to this diagnosis diagnose the CAN pg abnormal bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal OPERATION AWC ECU controls ACD proportioning valve PROBABLE CAUSES e ACD proportioning valve malfunction e Damaged harness wires and connectors e Malfunction of AWC ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 433 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 A
476. round e P0974 Shift select solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out P185D Clutch open not possible TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 61 DIAGNOSIS lt TC SST gt Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift switching solenoid 2 LOGIC FLOW CHARTS Monitor Sequence START Yes Vv Sensor voltage gt threshold value Yes Continuous failure for 160 msec Yes Malfunction AC710621 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The voltage of the clutch 2 pressure sensor remains Check Conditions 2 66 V or less for 160 milliseconds e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA ae e Malfunction of TC SST ECU e Sensor voltage 2 66 V or more 160 millisecond e Malfunction of clutch 2 pressure sensor DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Int
477. roximately 5 5 dm approximately 5 8 quarts Tighten the drain plugs to the specified torque Tightening torque 35 5 N m 26 4 ft lb A CAUTION Measure the drained fluid If the drained fluid is less than approximately 5 5 dm approximately 5 8 quarts add new fluid to make it approximately 5 5 dm approximately 5 8 quarts 9 Fill the fluid into the filler plug Brand name Dia Queen SSTF I Filling amount Approximately 5 5 dm approximately 5 8 quarts TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 479 ON VEHICLE SERVICE 10 Tighten the filler plug to the specified torque Tightening torque 35 5 N m 26 4 ft lb 11 Install the air cleaner element and air cleaner intake duct Refer to GROUP 15 Air Cleaner P 15 9 12 Install the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 TRANSMISSION FLUID CHANGE M1225008100220 1 Remove the engine room under cover front B assembly Refer to GROUP 51 Under Cover P 51 20 2 Start the engine and let it run at idle to warm it up for 15 minutes 3 Move the shift lever to every position P R N D manual mode Hold for 20 seconds in each position and then move it to the P range 4 Stop the engine 5 Remove the air cleaner element and air cleaner intake duct Refer to GROUP 15 Air Cleaner P 15 9 6 Remove the filler plug Nae AC704813AE
478. rrent range out e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply e P2718 Clutch shift pressure solenoid 1 system Open circuit e P2719 Clutch shift pressure solenoid 1 system Overcurrent e P2720 Clutch shift pressure solenoid 1 system Short to ground TSB Revision LOGIC FLOW CHARTS Monitor Sequence START TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 247 DIAGNOSIS lt TC SST gt P2721 Clutch shift pressure solenoid 1 system Short to power supply P2733 Clutch shift switching solenoid 1 spool stuck P2736 Clutch shift switching solenoid 1 system Open circuit P2738 Clutch shift switching solenoid 1 system Short to ground P2739 Clutch shift switching solenoid 1 system Short to power supply Monitoring condition met FET output lt 100 mV Yes Continuous failure for 5 sec Yes Malfunction DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more Time since above engine condition 1 5 seconds or more FET Field Effect Transistor of high side 2 Switched off e P181B Clutch 1 Pressure low range out e P181C Clutch
479. rvice P 35C 304 wheel sensor has not learned the neutral position and initialize the steering angle correction amount stored in AWC ECU Item No 1 PROBABLE CAUSES Steering angle correction amount initializa tion P 22C 476 e Steering wheel sensor neutral point not learned e Malfunction of steering wheel sensor e Malfunction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C121A set YES Go to Step 3 NO This diagnosis is complete STEP 3 Steering wheel sensor calibration Perform calibration of the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 Q Has the calibration succeeded YES Go to Step 4 NO Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 4 STEP 4 Check whether the DTC is reset Q Is DTC No C121A set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 412 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP
480. s Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision d TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 324 DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2815 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC U0001 Bus off A CAUTION e P0843 Clutch 1 pressure sensor system Output high range out e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out DESCRIPTIONS OF MONITOR METHODS e P185D Clutch open not possible TC SST ECU ceases communication bus off e U0100 Engine time out error e P1803 Shift lever system CAN or LIN time out error P1870 Engine torque signal abnormality P1871 APS system Signal abnormality P1872 Between shift lever and TC SST system e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS Q A function abnormality OTHER MONITOR AND SENSOR Sensor The sensor below is determined t
481. s e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 3 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit go to Step 3 STEP 3 Check whether the DTC is reset After 10 or more seconds have passed with the engine idle sta tus check that the DTC is reset Q Is DTC No P186F set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1870 Engine torque signal abnormality A CAUTION MONITOR EXECUTION e If there is any problem in the CAN bus lines Continuous an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN MONITOR EXECUTION CONDITIONS bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU receives the periodic communica
482. s Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Check whether the DTC is reset Q Is DTC No U0121 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 4 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 456 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Check whether the DTC is reset Q Is DTC No U0121 set YES Return to Step 1 NO This diagnosis is complete DTC U0126 Steering Wheel Sensor Time out Error A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU communicates with the steering wheel an incorrect diagnostic trouble code may be sensor via the CAN bus lines set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS e Whenever the ECU is replaced ensure that The code is set when the signal sent from steering the CAN bus lines are normal wheel sensor cannot be received for a certain period e When the steering wheel sensor is replaced
483. s between B 120 TC SST ECU connector terminal No 19 and body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness STEP 5 Measure the voltage at B 120 TC SST ECU connector Disconnect the connector and measure the voltage between terminal No 6 and ground at the wiring harness side OK Battery positive voltage Q Is the check result normal YES Go to Step 8 NO Goto Step 6 STEP 6 Inspection of the intermediate connector and TC SST ECU connector A 54 B 120 Check for the contact with terminals Q Is the check result normal YES Go to Step 7 NO Repair the defective connector STEP 7 Check the wiring harness between B 120 TC SST ECU connector terminal No 6 and fusible link No 36 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness STEP 8 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 9 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 341 DIAGNOSIS lt TC SST gt STEP 9 Measure the voltage at B 120 TC SST ECU connector 1 Disconnect the connector and measure the voltage between terminal No 11 and ground at the wiring harness side 2 Turn the i
484. s of the mechatronic assembly Q Is the mechatronic assembly installed correctly YES Replace the mechatronic assembly Refer to P 22C 505 NO Install the mechatronic assembly correctly Refer to P 22C 505 TSB Revision 22C 318 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P2812 Clutch Shift Switching Solenoid 2 System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 2 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 2 circuit is deter mined to be open MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch s
485. s of these symptoms could come from incorrect mounting the fluid level may be low or a component of the TC SST may be faulty M1225007900159 5 If you can verify the condition but there are no DTCs or the system cannot communicate with scan tool refer to the Symptom Chart P 22C 21 6 If there is a DTC record the number of the code then erase the code from memory using scan tool 7 Reconfirm the symptom 8 If a DTC is set again go to the Inspection Chart for Diagnostic Trouble Codes 9 If a DTC is not set again the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunction P 00 13 10 Verify malfunction is eliminated After repairs are completed the complaint conditions to confirm the malfunction has been eliminated TSB Revision 22C 8 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt PRECAUTIONS FOR DIAGNOSIS When the ignition switch is turned OFF the IG shut off delay system release the gear engagement in With the TC SST assembly the IG shutoff delay sys z preparation for the next engine starting This is a sys tem is adopted to improve the engine starting perfor tem to delay the engine stop for approximately 1 sec mance ond and the delay is not a malfunction If the gear is not in the reverse pos
486. s reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P0961 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0962 Line Pressure Solenoid System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the line pressure solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The line pressure solenoid circuit is determined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0746 Line pressure solenoid system Drive cur rent range out e P0960 Line pressure solenoid system Open cir cuit e P0961 Line pressure solenoid system Overvolt age e P0963 Line pressure solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 67 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor
487. se of input speed sensor A monitor this is total gear ratio of input shaft odd In case of input speed sensor B monitor this is total gear ratio of input shaft even AC710598AC LOGIC FLOW CHARTS Monitor Sequence lt Rationality Failure condition 2 gt 3 4 Input shaft speed odd lt 1 r min Input shaft speed even lt 1 r min Input shaft speed even Input shaft speed odd 50 r min 50 r min 3 In case of input speed sensor A monitor 4 In case of input speed sensor B monitor AC710599AB DTC SET CONDITIONS e Input shaft even gear engaged JUDGMENT CRITERIA lt Rationality gt e Failure condition 1 or failure condition 2 Refer to Logic Flow Charts Monitor Sequence lt Rational ity gt 500 millisecond Check Conditions lt Rationality gt e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Input shaft odd gear engaged TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 33 DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN lt RATIONALITY gt Each value of failure condition 1 or failure condition 2 Logic Flow Charts Monitor Sequence lt Rational ity gt returns to the normal value and remains in the state for 500 milliseconds LOGIC FLOW CHARTS Monitor Sequence lt Rationality plausibility failure gt START a 7 No Monitoring condition met Engine speed signal status not SNA Input
488. sensor below is determined to be normal e Not applicable FET Field Effect Transistor No AC710661 TSB Revision 22C 302 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN The FET channel output remains 1 V or less for 400 milliseconds PROBABLE CAUSES e FET Field Effect Transistor output 1V or more Malfunction of TC SST ECU 400 millisecond e Malfunction of clutch shift switching solenoid 1 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No P2736 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2738 Clutch Shift Switching Solenoid 1 System Short to ground A CAUTION MO
489. set Q Is DTC No P181C set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P181E Clutch 2 Pressure low range out A CAUTION MONITOR EXECUTION CONDITIONS e If there is any problem in the CAN bus lines OTHER MONITOR AND SENSOR an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN Other Monitor There is no temporary DTC stored bus lines in memory for the item monitored below Whenever the ECU is replaced ensure that e P0846 Clutch 2 pressure sensor system Poor the CAN bus lines are normal DIAGNOSTIC FUNCTION performance e P0847 Clutch 2 pressure sensor system Output low range out TC SST ECU checks that the clutch 2 pressure is e P0848 Clutch 2 pressure sensor system Output normal high range out e P1844 Shift fork 3 malfunction DESCRIPTIONS OF MONITOR METHODS e P184B Shift fork 4 malfunction The pressure of the clutch 2 is too low MONITOR EXECUTION e Continuous Sensor The sensor below is determined to be normal e Clutch 2 pressure sensor TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 119 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Calculated pressure gt 2 000 hPa Yes Continuous failure for 5 sec Yes AC710671AB JUDG
490. set YES Replace the hydraulic unit Refer to P 22C 521 Then go to Step 14 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 14 Check whether the DTC is reset Q Is DTC No C161E set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 15 NO This diagnosis is complete STEP 15 Check whether the DTC is reset Q Is DTC No C161E set YES Return to Step 2 NO This diagnosis is complete DTC C1622 ACD Control System Abnormal A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines This diagnostic trouble code is set if any condition an incorrect diagnostic trouble code may be below is found set Prior to this diagnosis diagnose the CAN e When ACD clutch is protected bus lines e When the current value of the ACD proportioning e Whenever the ECU is replaced ensure that valve solenoid exceeds the specified value for a the CAN bus lines are normal prolonged period OPERATION AWC ECU provides power supply to the ACD pro PROBABLE CAUSES portioning valve e The driving and road conditions are severe e Malfunction of AWC ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 441 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go t
491. shift select solenoid 2 circuit is determined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 89 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START FET Field Effect Transistor Nee FET output lt 100 mV Yes Continuous failure for 200 msec Yes Malfunction AC710623AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The FET channel output remains 100 mV or more for Check Conditions 200 millisecond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less PROBABLE CAUSES JUDGMENT CRITERIA Z e FET Field Effect Transistor output 100 mV or eee We ee less 200 millisecond e Malfunction of shift select solenoid 2 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 5
492. shoot the shift lever 2 Remove the shift lever assembly Then check that there is no damage to each part and that the shift lever can be moved to each position Refer to P 22C 488 After performing the check above if an abnormality is found replace the shift lever assembly ACD CONTROL FLUID CHECK lt WHEN THE SCAN TOOL IS NOT USED gt 1 2 M1225008700136 Remove the cargo floor box lid and quarter trim plug on the right of the luggage room If the vehicle has been run leave it for 90 min or more in an ordinary temperature 10 30 C 50 86 F to allow the accumulator internal pressure to drop NOTE If the ambient temperature is 10 C 50 F or less allow more time to leave the vehicle to stand idle TSB Revision 5 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 484 ON VEHICLE SERVICE 3 Check that the oil reservoir fluid level is in between MAX and MIN N 4 Ifthe fluid level is not in between MAX and MIN fill the specified fluid Brand name DIAMOND ATF SP IlI Oil reservoir 5 Install the quarter trim plug and cargo floor box lid AC802428AD lt WHEN THE SCAN TOOL IS USED gt 1 Remove the cargo floor box lid and quarter trim plug on the right of the luggage room A CAUTION Turn the ignition switch to the LOCK OFF position before connecting or disconnecting the scan tool 2 Set the scan tool to the 16 pin data link connector Refer to P 22C 394
493. since above engine condition 1 5 seconds or more PROBABLE CAUSES e Clutch shift switching solenoid 2 ON e Malfunction of TC SST ECU e Clutch cooling flow solenoid OFF e Insufficient fluid level e Clutch shift pressure solenoid 2 ON e Malfunction of clutch shift switching solenoid 2 JUDGMENT CRITERIA e Clutch 2 even pressure 1 400 hPa or more or clutch 2 pressure sensor even change 0 and shift fork position sensor 3 and 4 change 0 200 millisecond TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 317 DIAGNOSIS lt TC SST gt DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 4th gear check that the DTC is reset Q Is DTC No P2809 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Check the fluid Q Is the fluid level proper YES Go to Step 4 NO Add the fluid STEP 4 Check the installation statu
494. sing scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 94 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P1676 set YES Perform coding Refer to the Scan tool operation manual and perform coding or Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P1802 Shift Lever System LIN communication malfunction LIN communication system circuit TRANSAXLE ASSEMBLY NOTE THE TERMINAL NUMBERS DESCRIBED IN THE CIRCUIT DIAGRAM AGREE WITH 15 A 54 THE NUMBERS MARKED ON THE GRAY BLUE TRANSAXLE ASSEMBLY CONNECTOR AND 1 f9 HARNESS SIDE CONNECTOR GRAY BLUE SHIFT LEVER C 49 1 2 34 C 567 8 9 10 11 12113 14 15 16 CPU AC803068 AB AC802703AH AC800715AL TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 95 DIAGNOSIS lt TC SST gt Co
495. sition D N or R N or R gt P Transmission fluid temperature gt 10 C 14 F Time required 1 220 msec lt 10 C 14 F 2 220 msec N or ps All range 220 msec R or D or manual mode xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec OBD II DRIVE CYCLE PATTERN lt TARGET CLUTCH 1 ODD PRESSURE 1 400 HPA OR LESS gt The clutch 1 odd pressure remains 1 000 hPa or more for time required Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required D N or R N or R gt P gt 10 C 14 F 1 220 msec lt 10 C 14 F 2 220 msec N or p All range
496. special tool MB991824 and the personal computer 4 Connect special tool MB991910 to special tool MB991824 Connect special tool MB991910 to the data link connector 6 Turn the power switch of special tool MB991824 to the ON position NOTE When special tool MB991824 is energized special tool MB991824 indicator light will be illuminated in a green color 7 Start the scan tool system on the personal computer NOTE Disconnecting scan tool MB991958 is the reverse of the connecting sequence making sure that the ignition switch is at the LOCK OFF position on MB991827 AC608435 AB TSB Revision 22C 396 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt FREEZE FRAME DATA CHECK Display items of the freeze frame data are as follows Data of when the diagnostic trouble code is deter mined is obtained and the status of ACD is stored By analyzing each data using the scan tool trouble shooting can be carried out efficiently DISPLAY ITEM LIST Item Unit display Odometer km Ignition cycle Count Current trouble accumulative time min ACD control mode for meter display e TARMAC e GRAVEL e SNOW ASC control mode e ASC ON e ASC OFF Stoplight switch e ON e OFF Parking brake switch e ON e OFF ABS activation flag e ON e OFF Steering wheel sensor Accelerator opening angle Wheel spee
497. speed in 4th Shift lever position Manual mode 5th Driving at a constant speed in 5th Shift lever position Manual mode Driving at a constant speed in 6th Ignition switch ON Shift lever position Shift lever position Shift lever position Shift lever position Shift lever position D Driving at a constant speed in 1st Shift lever position D Driving at a constant speed in 2nd Shift lever position D Driving at a constant speed in 3rd Shift lever position D Driving at a constant speed in 4th Shift lever position D Driving at a constant speed in 5th Shift lever position D Driving at a constant speed in 6th Vehicle speed Driving at a constant speed of 20 km h Drive mode SW Ignition switch ON Switch position Operate the output data switch toward the front of the vehicle and hold it Switch position Operate the switch toward the back of the vehicle and hold it Switch position Other than Not active above TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 389 DIAGNOSIS lt SHIFT LEVER gt Display on scan Check conditions Normal conditions tool Lever position Ignition switch ON Shift lever position P output data Shift lever position RP Shift lever position R Shift lever position N amp R Shift lever position N Shift lever position D amp N Shift lever position D Shift lever pos
498. ssure solenoid system Short to power supply P0968 Shift cooling switching solenoid system Open circuit P0970 Shift cooling switching solenoid system Short to ground P0971 Shift cooling switching solenoid system Short to power supply Sensor The sensor below is determined to be normal Shift select solenoid 2 Line pressure solenoid Shift cooling switching solenoid LOGIC FLOW CHARTS Monitor Sequence START 7 No Monitoring condition met FET Field Effect Transistor FET current gt 8 1 A FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710725 TSB Revision 22C 228 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e High side 1 switch ON JUDGMENT CRITERIA e FET Field Effect Transistor current 8 1 A or more and FET Field Effect Transistor output 100 mV or less 1 second OBD II DRIVE CYCLE PATTERN The status with the current of the FET channel shunt 8 1 Aor less and with the FET channel output 100 mV or more continues for 1 second PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Har
499. stem e P1808 TC SST ECU temperature fluid tempera 22C 26 DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA e Fluid temperature 39 C 38 2 F or less 400 millisecond TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt OBD II DRIVE CYCLE PATTERN The TC SST ECU temperature remains 39 C 38 2 F or more for 400 milliseconds PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T III Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO Go to Step 2 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the diagnostic trouble code is reset Q Is DTC No P0712 set YES NO Replace the mechatronic assembly Refer to P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0713 TC SST ECU temperature sensor system Output high range out A CAUTION e If there is any
500. system Short to ground e P0974 Shift select solenoid 1 system Short to power supply e P2809 Clutch shift switching solenoid 2 spool stuck e P2812 Clutch shift switching solenoid 2 system Open circuit e P2814 Clutch shift switching solenoid 2 system Short to ground e P2815 Clutch shift switching solenoid 2 system Short to power supply P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out P185D Clutch open not possible Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 57 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Vehicle condition met Yes Calculated torque gt 200 N m 148 ft lb Yes Continuous failure for 4 sec Yes Malfunction AC710619AB DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The value of the calculated torque clutch 2 even permit torque engine torque remains 200 N m eee een 48 fb or lesa for 4 seconds e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds PROBABLE CAUSES or more e Malfunction of TC SST ECU e Engine speed 6 800 r min or less e Malfunction of clutch 2 pressure sensor e Clutch 2 even slip state Slip or engaged e Ma
501. t Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the shift fork position sen sor 2 is normal DESCRIPTIONS OF MONITOR METHODS The shift fork position sensor 2 is determined to be abnormal MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1825 Shift fork position sensor 2 system Volt age low range out P1826 Shift fork position sensor 2 system Volt age high range out P1827 Shift fork position sensor 2 system Out put range out P1828 Shift fork position sensor 2 system Neu tral P183D Shift fork 2 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt 22C 155 LOGIC FLOW CHARTS Monitor Sequence lt Shift fork 2 current gear 5th gear gt START Shift fork position lt 6 mm 0 24 inch
502. t e Transmission fluid draining and Hose clip Oil filter case assembly Oil filter bracket assembly PON refilling Refer to P 22C 479 1 Oil cooler hose assembly connection gt gt A lt lt TSB Revision 22C 516 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST OIL FILTER REMOVAL SERVICE POINT lt lt A gt gt TRANSMISSION FLUID DRAINING Drain the fluid in the transaxle assembly and the oil cooler INSTALLATION SERVICE POINTS gt gt A lt lt OIL FILTER BRACKET ASSEMBLY INSTALLATION 1 Completely degrease the oil filter bracket assembly installation surface on the transaxle side 2 Remove the gasket from the oil filter bracket assembly and completely degrease the groove of the oil filter bracket assembly gasket installation area and the gasket Then install the gasket to the groove of the oil filter bracket assembly 3 Tighten the screws to the specified torque Tightening torque 10 1 5 N m 89 8 in lb gt gt B lt lt TRANSMISSION FLUID REFILLING A CAUTION Refill 6 2 dm 6 6 qt of the transmission fluid NOTE The fluid capacity of the oil cooler assembly and the oil cooler hose is 0 6 dm 0 6 qt and the fluid capacity of the oil filter case assembly is 0 1 dm 0 1 qt A CAUTION e If the fluid leakage from the oil filter is repaired fill new fluid and check the transmission fluid level Refer to P 22C 478 e When the oil filter is replaced the drained fluid can be
503. t Malfunction P 00 13 TSB Revision 22C 24 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P0702 Internal control module monitoring processor system Malfunction A CAUTION DIAGNOSTIC FUNCTION If there is any problem in the CAN bus lines TC SST ECU checks that the internal module and an incorrect diagnostic trouble code may be monitoring processor are normal set Prior to this diagnosis diagnose the CAN bus lines DESCRIPTIONS OF MONITOR METHODS e Whenever the ECU is replaced ensure that The internal module and monitoring processor are the CAN bus lines are normal determined to be abnormal PROBABLE CAUSES e Malfunction of TC SST ECU DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check the TC SST ECU power supply circuit Refer to P 22C 338 Q Is the check result normal YES Go to Step 3 NO Repair the TC SST ECU power supply circuit Refer to P 22C 338 After repairing the power supply circuit
504. t a constant speed in 2nd Driving at a constant speed in 3rd Driving at a constant speed in 4th Driving at a constant speed in 5th Driving at a constant speed in 6th Transmission fail flag ECU operation status Current gear internal data Transmission fail flag TC SST ECU operation status Current gear internal data Fail safe function operated Fail safe function not operated Ignition switch ON Actual driving The ECU operation status is displayed The current driving gear is displayed Pre select gear internal data Pre select gear internal data Actual driving The pre select gear is displayed Gear odd internal data Gear odd internal data Actual driving TSB Revision The odd number gear currently engaged is displayed 22C 360 Display on scan tool TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST Item name DIAGNOSIS lt TC SST gt Check conditions Normal conditions Gear even internal data Gear even internal data Actual driving The even number gear currently engaged is displayed Clutch odd temperature Clutch odd temperature Ignition switch The clutch odd number surface temperature is displayed Clutch even temperature Clutch even temperature Ignition switch The clutch even number surface temperature is displayed Clutc
505. t duct driver s side removal Refer to GROUP 55 Duct P 55 150 Post installation Operation Foot duct driver s side installation Refer to GROUP 55 Duct P 55 150 Steering column lower cover installation Refer to GROUP 37 Steering Column Shaft P 37 36 Instrument panel cover lower installation lt Vehicles with instrument panel cover lower gt Refer to GROUP 52A Instrument Lower Panel P 52A 8 Floor console bracket A and floor console side cover installation Refer to GROUP 52A Floor Console Assem bly P 52A 9 Key interlock mechanism check Refer to P 22C 482 Shift lock mechanism check Refer to P 22C 483 Shift lever operation check Refer to P 22C 481 Removal steps Band clip Wiring harness clip Key interlock cable connection shift lever side QIN gt gt B lt lt lt lt A gt gt AC709660AB Removal steps Key interlock cable connection steering side 5 Key interlock cable gt gt A lt lt 4 TSB Revision 22C 494 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST KEY INTERLOCK AND SHIFT LOCK MECHANISMS Key inter lock cable Lock cam inc Lock guide a a ae View A Lock guide Unlock a eA soul Adjuster case AC900053 AC REMOVAL SERVICE POINT lt lt A gt gt KEY INTERLOCK CABLE STEERING SIDE REMOVAL Turn the ignition switch to the ACC position and then pull the key interlock cable out from the igni
506. t malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P186D High side 1 system Voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the high side 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the high side 1 circuit is determined to be too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0758 Shift select solenoid 2 system Open cir cuit e P0976 Shift select solenoid 2 system Short to ground e P0977 Shift select solenoid 2 system Short to power supply e P0746 Line pressure solenoid system Drive cur rent range out e P0960 Line pressure solenoid system Open cir cuit e P0961 Line pressure solenoid system Overvolt age e P0962 Line pressure solenoid system Short to ground e P0963 Line pressure solenoid system Short to power supply e P0968 Shift cooling switching solenoid system Open circuit e P0970 Shift cooling switching solenoid system Short to ground e P0971 Shift cooling switching solenoid system Short to power supply Sens
507. tem No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1820 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1821 Shift Fork Position Sensor 1 System Voltage high range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the voltage of the shift fork position sensor 1 is normal DESCRIPTIONS OF MONITOR METHODS The voltage of the shift fork position sensor 1 is too high MONITOR EXECUTION e Continuous TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 131 DIAGNOSIS lt TC SST gt MONITOR EXECUTION CONDITIONS e P1855 Shift fork 3 or 4 opposite directi
508. tem No 25 Wheel speed sensor lt RR gt Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Go to Step 4 STEP 4 Check whether the DTC is reset Q Is DTC No U1427 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No U1427 set YES Return to Step 1 NO This diagnosis is complete DTC U1428 G and Yaw Rate Sensor Data Error A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU receives the G and yaw rate sensor data an incorrect diagnostic trouble code may be from ASC ECU via the CAN communication set Prior to this diagnosis diagnose the CAN bus lines DTC SET CONDITIONS e Whenever the ECU is replaced ensure that The code is set when abnormality is detected in the the CAN bus lines are normal signal received from the G and yaw rate sensor e Do not drop the G and yaw rate sensor or sub JECO A SHock PROBABLE CAUSES e When G and yaw rate sensor is replaced cali e Malfunction of G and vaw rate sensor brate G and yaw rate sensor refer to GROUP e Malfunction of a DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO
509. tep 3 NO This diagnosis is complete STEP 3 Scan tool diagnostic trouble code Q Is DTC No C2205 set YES Perform the relevant troubleshooting NO Go to Step 4 TSB Revision 22C 41 0 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 4 Scan tool diagnostic trouble code Check if the wheel speed sensor related G and yaw rate sen sor related or steering wheel sensor related diagnostic trouble code is set Q Is the DTC set YES Carry out the appropriate troubleshooting Then go to Step 9 NO Goto Step 5 STEP 5 Check of steering wheel sensor installation status Check that the steering wheel sensor is installed correctly Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Q Is the check result normal YES Go to Step 6 NO Install the steering wheel sensor correctly Then go to Step 6 STEP 6 Wheel alignment check Q Is the check result normal YES After checking the wheel alignment calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize AWC ECU steering angle correction amount Refer to P 22C 476 Then go to Step 7 NO After adjusting the wheel alignment calibrate the steering wheel sensor Refer to GROUP 35C On vehicle Service P 35C 304 and initialize AWC ECU steering angle correction amount Refer to P 22C 476 Then go to Step 7 STEP 7 Scan tool data list Item 1
510. ter repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 With the engine idle status operate the shift lever in the following sequence P R gt D gt R P Hold each range for 5 seconds or more 3 Check that the DTC is reset Q Is DTC No P1824 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 With the engine idle status operate the shift lever in the following sequence P R gt D R P Hold each range for 5 seconds or more 3 Check the DTC Q Is DTC No P1824 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 143 DIAGNOSIS lt TC SST gt DTC P1825 Shift Fork Positi
511. tery 8 V or more e Voltage of battery 16 5 V or less e Line pressure solenoid OFF PROBABLE CAUSES JUDGMENT CRITERIA Melfunction of line pressure s lenol e FET Field Effect Transistor output Battery volt age 2 V or more 1 second DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 70 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset After 5 or more seconds have passed with the ignition switch ON position check that the DTC is reset Q Is DTC No P0963 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0964 Clutch Cooling Flow Solenoid System Open circuit A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is repla
512. tes with the ETACS ECU via the CAN bus lines DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 STEP 2 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 3 STEP 3 Scan tool data list Check the following data list Refer to data list reference table P 22C 473 e Item No 39 Stoplight switch e Item No 43 Battery positive voltage Q Is the check result normal YES Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 NO Go to Step 4 STEP 4 Check whether the DTC is reset Q Is DTC No U0431 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No U0431 set YES Return to Step 1 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 461 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DTC U1415 Coding incomplete fail A CAUTION OPERATION If there is any problem in the CAN bus lines AWC ECU r
513. th Intermittent Malfunction P 00 13 inspection PROCEDURE 5 Speed change with the paddle shift is impossible PADDLE SHIFT SWITCH SYSTEM CIRCUIT Refer to P 22C 335 A CAUTION Whenever the ECU is replaced ensure that the CAN bus lines are normal COMMENTS ON TROUBLE SYMPTOM The paddle shift switch or shift lever ECU may have a problem PROBABLE CAUSES e Malfunction of the paddle shift switch e Damaged harness wires and connectors e Malfunction of the shift lever ECU e Malfunction of TC SST ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Paddle shift switch check Refer to P 22C 517 Q Is the check result normal YES Go to Step 3 NO Replace the paddle shift assembly Refer to P 22C 517 TSB Revision 22C 382 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt STEP 3 Measure the resistance at C 210 paddle shift switch connector Disconnect the connector and measure the resistance between terminal No 2 and ground at the wiring harness side OK Continuity exists 2 Q or less Q Is the check result normal YES Go to Step 6 NO Go to Step 4 STEP 4 Paddle shift switch connector check C 210 Chec
514. the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the gear engagement is normal DESCRIPTIONS OF MONITOR METHODS The two gears are determined to be engaged in the odd number gear range P 22C 505 Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision 22C 222 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Shift fork 1 position 3 8 mm Shift fork 2 position 3 8 mm Continuous failure for 500 msec Malfunction DTC SET CONDITIONS Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more JUDGMENT CRITERIA e Shift fork 1 and 2 position 3 8 mm 0 15 inch or more 500 millisecond Monitoring condition met No AC710722 OBD II DRIVE CYCLE PATTERN The shift fork 1 and 2 positions remain 3 8 mm 0 15 inch or less for 500 millisecond PROBABLE CAUSES e Malfunction of TC SST ECU e Ma
515. the multi information display to warn the driver TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt Control content P1871 P0746 P0963 P1876 P1877 P1878 P1879 U0001 P1870 P187A P187B P187C U0100 P1871 Drives with the gears other than the gears related to the part in trouble and an occurrence of trouble is displayed to the multi information display to warn the driver The creep driving cannot be performed and displays an occurrence of trouble to the multi information display to warn the driver Shift shock or shift response deterioration occurs and displays an occurrence of trouble to the multi information display to warn the driver Normal driving can be performed and displays an occurrence of trouble to the multi information display to warn the driver HOW TO CONNECT THE SCAN TOOL M U T III Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T IIl Main Harness A Vehicles with CAN communication system A CAUTION MB991827 To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Ensure that the ignition switch is at the LOCK OFF posi
516. the system Q Does a malfunction take place again YES Replace the transaxle assembly Refer to P 22C 497 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 INSPECTION PROCEDURE 12 The gear shifting does not occur The transaxle does not upshift or downshift A CAUTION Whenever the ECU is replaced ensure that the CAN bus lines are normal COMMENTS ON TROUBLE SYMPTOM The CAN bus lines mechatronic assembly clutch PROBABLE CAUSES Malfunction of the CAN bus lines Malfunction of the mechatronic assembly Malfunction of the clutch assembly Malfunction of the transaxle assembly assembly or transaxle assembly may have a prob lem DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 351 DIAGNOSIS lt TC SST gt STEP 2 Retest the system Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 2
517. the transaxle assembly Refer to P 22C 497 No Go to Step 4 STEP 4 Replace the mechatronic assembly and check if the DTC is reset 1 Replace the mechatronic assembly Refer to P 22C 505 2 Perform a test run of the vehicle 3 Check the DTC Q Is DTC No P1832 set YES Replace the transaxle assembly Refer to P 22C 497 NO This diagnosis is complete DTC P1833 Shift Fork Position Sensor 4 System Output range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the output of the shift fork position sensor 4 is normal DESCRIPTIONS OF MONITOR METHODS The output of the shift fork position sensor 4 is deter mined to be abnormal MONITOR EXECUTION e Continuous TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 177 DIAGNOSIS lt TC SST gt MONITOR EXECUTION CONDITIONS e P1855 Shift fork 3 or 4 opposite direction move OTHER MONITOR AND SENSOR ment e P1858 Even number gear axle interlock Other Monitor There is no temporary DTC stored e P1876 Gear block 1st in memory for the item monitored below e P1877 Gear block 2nd e P1831 Shift fork position sensor 4 system Volt e P1878 Gear block 3rd age low range out
518. tic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No U0001 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 e P0843 Clutch 1 pressure sensor system Output high range out e P0846 Clutch 2 pressure sensor system Poor performance e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out DESCRIPTIONS OF MONITOR METHODS e P185D Clutch open not possible The periodic communication data from the engine e U0001 Bus off control module cannot be received MONITOR EXECUTION e Continuous e P1803 Shift lever system CAN or LIN time out error e P1870 Engine torque signal abnormality e P1871 APS system Signal abnormality e P1872 Between shift lever and TC SST system Q A function abnormality MO
519. ting scan tool MB991958 1 Ensure that the ignition switch is at the LOCK OFF position 2 Start up the personal computer 3 Connect special tool MB991827 to special tool MB991824 and the personal computer 4 Connect special tool MB991910 to special tool MB991824 5 Connect special tool MB991910 to the data link connector 6 Turn the power switch of special tool MB991824 to the ON position NOTE When special tool MB991824 is energized special tool MB991824 indicator light will be illuminated in a green color 7 Start the scan tool system on the personal computer NOTE Disconnecting scan tool MB991958 is the reverse of the connecting sequence making sure that the ignition switch is at the LOCK OFF position MB991827 AC608435 AB FREEZE FRAME DATA CHECK Display items of the freeze frame data are as follows Data of when the diagnostic trouble code is deter mined is obtained and the status of ACD is stored By analyzing each data using the scan tool trouble shooting can be carried out efficiently FREEZE FRAME DATA REFERENCE TABLE Item Unit Display Current trouble accumulative time i Shift lever position D N D Manual Battery voltage TSB Revision 22C 366 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt DIAGNOSTIC TROUBLE CODE CHART A CAUTION M1225000600209 Durin
520. tion 2 Start up the personal computer 3 Connect special tool MB991827 to special tool MB991824 and the personal computer 4 Connect special tool MB991910 to special tool MB991824 Connect special tool MB991910 to the data link connector 6 Turn the power switch of special tool MB991824 to the ON position NOTE When special tool MB991824 is energized special tool MB991824 indicator light will be illuminated in a green color 7 Start the scan tool system on the personal computer NOTE Disconnecting scan tool MB991958 is the reverse of the connecting sequence making sure that the ignition switch is at ao AC608435 AB the LOCK OFF position TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 13 DIAGNOSIS lt TC SST gt PERMANENT DTC Refer to GROUP 13A Multiport Fuel Injection MFI Diagnosis Diagnostic Function P 13A 10 PROCEDURES FOR ERASING PERMANENT DTC Repair the relevant DTC and then erase the permanent DTC according to the following procedure NOTE The permanent DTC corresponding to the DTC that takes multiple drive cycles to detect a malfunction can be erased by performing the erasing procedure once A CAUTION If the malfunction indicator lamp turns on while erasing the permanent DTC repeat from Step 1 1 Check that the DTC is not stored If the DTC is stored perform the DTC troubleshooting then repair the DTC 2 Turn the ignition switch to the LOCK O
521. tion data from the engine control module via the CAN bus lines and checks the data for abnormality OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output DESCRIPTIONS OF MONITOR METHODS high range out The engine torque signal from the engine control e P0846 Clutch 2 pressure sensor system Poor module is determined to be abnormal performance TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 251 DIAGNOSIS lt TC SST gt e P0847 Clutch 2 pressure sensor system Output e P1872 Between shift lever and TC SST system low range out Q A function abnormality e P0848 Clutch 2 pressure sensor system Output high range out P185D Clutch open not possible Sensor The sensor below is determined to be normal f e Clutch 1 pressure sensor Y0001 Bus pff e Clutch 2 pressure sensor e U0100 Engine time out error e APS ie Shift lever system CAN or LIN time out e Shift lever ECU e P1871 APS system Signal abnormality LOGIC FLOW CHARTS Monitor Sequence START Monitoring condition met Engine torque signal SNA Engine torque signal Parity bit error Engine torque signal toggle bit error Continuous failure f
522. tion key cylinder INSTALLATION SERVICE POINTS gt gt A lt lt KEY INTERLOCK CABLE STEERING SIDE INSTALLATION Turn the ignition switch to the ACC position and then install the key interlock cable to the ignition key cylinder gt gt B lt lt KEY INTERLOCK CABLE SHIFT LEVER SIDE INSTALLATION A CAUTION Leave the ignition switch in the LOCK OFF position until the key interlock cable installation is completed 1 Move the shift lever to the P position and turn the ignition switch to the LOCK OFF position 2 Install the tip of key interlock cable to the lock cam pin of shift lever assembly using a caution not to twist the inner cable 3 Install the adjuster case with its lock guide pulled up unlocked 4 With the lock cam pin pushed in the direction B as shown in the figure to remove the slack from the key interlock cable securely lower the lock guide and lock it NOTE The lock position of the key interlock cable is auto matically adjusted by a spring TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 495 TRANSFER ASSEMBLY TRANSFER ASSEMBLY REMOVAL AND INSTALLATION re Post installation Operation e ACD Bleeding Refer to P 22C 484 Pre removal Operation e Engine Room Under Cover Front B Assembly Removal Refer to GROUP 51 Under Cover P 51 20 e Transfer Oil Filling Refer to P 22C 480 e Transfer Oil Draining Refer to P
523. tion of encoder for wheel speed detection ASC ECU via the CAN communication Malfunction of ASC ECU Malfunction of AWC ECU TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 407 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES NO STEP 2 Go to Step 3 Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 Check whether the DTC is reset Q Is the relevant wheel speed sensor diagnostic trouble code No C1014 lt FL gt C101F lt FR gt C102A lt RL gt or C1035 lt RR gt set YES NO STEP 3 Go to Step 3 This diagnosis is complete Scan tool diagnostic trouble code Check the ASC diagnostic trouble code Refer to GROUP 35C Troubleshooting P 35C 27 Q Is the DTC set YES NO STEP 4 Perform the relevant troubleshooting Go to Step 4 Scan tool data list Check the data list of the relevant wheel speed sensor Refer to P 22C 473 e Item No 22 Wheel speed sensor lt FL gt e Item No 23 Wheel speed sensor lt FR gt e Item No 24 Wheel speed sensor lt RL gt e Item No 25 Wheel speed sensor lt RR gt Q Is the check result normal YES NO DTC C1078 Tire Turning Malfunction A CAUTION e If there is any proble
524. tized sensor value 500 counts or less or shift fork 4 position counter digitized sensor value 500 counts or more 180 millisecond e Malfunction of shift fork position sensor 4 DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset After driving in the 4th gear check that the DTC is reset Q ls DTC No P1833 set YES Go to Step 3 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 3 Scan tool Teach In 1 Carry out the Item No 1 Plausibility check Refer to Special Function Teach In Reference Table P 22C 362 2 After Teach In check which result Yes or No is displayed in the Data list No 101 Normal End Refer to Special Function Teach In Reference Table P 22C 362 Q Which is displayed Yes or No Yes Replace the transaxle assembly Refer to P 22C 497 No Go to Step 4 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C
525. to Step 13 STEP 6 Voltage measurement at C 51 AWC ECU connector 1 Disconnect the connector and measure the voltage between terminal No 16 and ground at the wiring harness side 2 Turn the ignition switch to the ON position OK Battery positive voltage Q Is the check result normal YES Go to Step 9 NO Go to Step 7 STEP 7 AWC ECU connector ETACS ECU connector check C 51 C 313 Q Is the check result normal YES Go to Step 8 NO Repair the defective connector Then go to Step 13 STEP 8 Check the wiring harness between C 51 AWC ECU connector terminal No 16 and C 313 ETACS ECU connector terminal No 2 Check the wiring harness for open circuit Q Is the check result normal YES Go to Step 12 NO When no problem is found repair the wiring harness Then go to Step 11 TSB Revision 22C 472 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 9 AWC ECU connector check C 51 Q Is the check result normal YES Go to Step 10 NO Repair the defective connector Then go to Step 13 TEP 10 Check the wiring harness between C 51 AWC ECU connector terminal No 13 and body ground Check the wiring harness for open circuit Q Is the check result normal YES Go to Step 11 NO Repair the wiring harness Then go to Step 13 STEP 11 Scan tool data list Item No 43 Battery voltage Refer to data list reference table P 22C 47
526. to power supply A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift pressure solenoid 1 circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift pressure solenoid 1 circuit is deter mined to be short to power supply MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0841 Clutch 1 pressure sensor system Poor performance e P0842 Clutch 1 pressure sensor system Output low range out e P0843 Clutch 1 pressure sensor system Output high range out e P2733 Clutch shift switching solenoid 1 spool stuck e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switching solenoid 1 system Short to power supply e P181B Clutch 1 Pressure low range out e P181C Clutch 1 Pressure high range out Sensor The sensor below is determined to be normal e Clutch 1 pressure sensor e Clutch shift switching solenoid 1 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 289 DIAGNOSIS lt TC SST gt
527. tool data list Item 13 Steering wheel sensor Refer to P 22C 473 Q Is the check result normal YES Go to Step 4 NO Replace the steering wheel sensor Refer to GROUP 35C Steering Wheel Sensor P 35C 321 Then go to Step 5 STEP 4 Check whether the DTC is reset Q Is DTC No C2205 set YES Replace the AWC ECU Refer to P 22C 518 Then go to Step 5 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 STEP 5 Check whether the DTC is reset Q Is DTC No C2205 set YES Return to Step 1 NO This diagnosis is complete DTC U0001 Bus off A CAUTION DTC SET CONDITIONS If there is any problem in the CAN bus lines The code is set when AWC ECU ceases bus off an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN PROBABLE CAUSES bus lines e The CAN bus line is defective e Whenever the ECU is replaced ensure that e Malfunction of AWC ECU the CAN bus lines are normal e ECU malfunction of other system DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 453 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL AC
528. tor Sequence START Calculated pressure gt 2 000 hPa Malfunction Monitoring condition met Yes Yes Continuous failure for 5 sec Yes AC710671AB TSB Revision 22C 110 DTC SET CONDITIONS Check Conditions Voltage of battery 8 V or more Voltage of battery 16 5 V or less Engine speed 650 r min or more TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt JUDGMENT CRITERIA e Calculated pressure 2 000 hPa or more 5 sec onds OBD II DRIVE CYCLE PATTERN Time since above engine condition 1 5 seconds The calculated pressure remains 2 000 hPa or less or more Clutch 1 odd state Slip or engaged for 5 seconds Clutch shift pressure solenoid 1 Not OFF ornot PROBABLE CAUSES in valve cleaning mode e Malfunction of TC SST ECU e Insufficient fluid level e Improper installation of mechatronic assembly DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC
529. unction of AWC ECU DIAGNOSIS STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 3 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset Q Is DTC No C1610 set YES Replace the AWC ECU Refer to P 22C 518 NO This diagnosis is complete TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 417 DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt STEP 3 Check whether the DTC is reset Q Is DTC No C1610 set YES Replace the AWC ECU Refer to P 22C 518 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC C1611 AWC Pressure Sensor System Low Voltage AWC pressure sensor system circuit AWC ECU 5V C 51 GREEN PRESSURE SENSOR F 27 Wu802074 ED AC803119AB Connector C 51 o Connector D 11 A aaa ee AA AC807570 AH TSB Revision 22C 418 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt ACTIVE CENTER DIFFERENTIAL ACD gt Connector F 27 mae AC807572 AR A CAUTION l l DTC SET CONDITIONS If there is any problem in the CA
530. us diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 TSB Revision 22C 298 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 2 Check whether the DTC is reset Q Is DTC No P2730 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P2733 Clutch Shift Switching Solenoid 1 spool stuck A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch shift switching solenoid 1 is normal DESCRIPTIONS OF MONITOR METHODS The clutch shift switching solenoid 1 is determined to be seized MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P2736 Clutch shift switching solenoid 1 system Open circuit e P2738 Clutch shift switching solenoid 1 system Short to ground e P2739 Clutch shift switchi
531. us lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 15 seconds after turning ON the ignition switch check that the diagnostic trouble code is reset Q Is DTC No P0843 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0846 Clutch 2 Pressure Sensor System Poor performance A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch 2 pressure sen sor is normal DESCRIPTIONS OF MONITOR METHODS The difference between the allowable torque of clutch 2 and the engine torque is large MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0847 Clutch 2 pressure sensor system Output low range out e P0848 Clutch 2 pressure sensor system Output high range out e P0753 Shift select solenoid 1 system Open cir cuit e P0973 Shift select solenoid 1
532. ve connector STEP 5 Check the wiring harness between C 210 paddle shift switch connector terminal No 2 and the body ground Check the ground line for open circuit Q Is the check result normal YES Go to Step 6 NO Repair the wiring harness TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 337 DIAGNOSIS lt TC SST gt STEP 6 Inspection of the shift lever assembly connector intermediate connector and paddle shift switch connector C 49 C 127 C 210 Check for the contact with terminals Q Is the check result normal YES Go to Step 7 NO Repair the defective connector STEP 7 Check the wiring harness between C 210 paddle shift switch connector terminal No 1 and C 49 shift lever assembly connector terminal No 11 and between C 210 paddle shift switch connector terminal No 3 and C 49 shift lever assembly connector terminal No 10 Check the output line for short or open circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness STEP 8 Retest the system Q Does a malfunction take place again YES Go to Step 9 NO The inspection is complete STEP 9 Trouble symptom recheck after replacing the shift lever assembly 1 Replace the shift lever assembly Refer to P 22C 488 2 Verify that the condition described by the customer exists Q Does a malfunction take place again YES Replace the mechatronic assembly Refer to P 22C 505
533. ve connector STEP 7 Check the wiring harness between C 49 shift lever ECU connector terminal No 12 and fusible link No 36 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 8 NO Repair the wiring harness STEP 8 Scan tool diagnostic trouble code Check the ETACS diagnostic trouble code Refer to GROUP 54A Troubleshooting P 54A 674 Q Is the DTC set YES Perform the relevant troubleshooting NO Goto Step 9 STEP 9 Measure the voltage at C 49 shift lever ECU connector 1 Disconnect the connector and measure the voltage between terminal No 13 and ground at the wiring harness side 2 Turn the ignition switch to the ON position OK Battery positive voltage Q Is the check result normal YES Go to Step 12 NO Go to Step 10 TSB Revision 22C 386 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt SHIFT LEVER gt STEP 10 Inspection of the shift lever ECU connector intermediate connector and ETACS ECU connector C 49 C 128 C 317 Check for the contact with terminals Q Is the check result normal YES Go to Step 11 NO Repair the defective connector STEP 11 Check the wiring harness between C 49 shift lever ECU connector terminal No 13 and C 317 ETACS ECU connector terminal No 5 Check the power supply line for short or open circuit Q Is the check result normal YES Go to Step 12 NO Repair the wiring
534. ven number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal e Not applicable TSB Revision 22C 180 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Calculated input shaft speed lt 40 r min Yes Continuous failure for 500 msec Yes Malfunction AC711383AC JUDGMENT CRITERIA DTC SET CONDITIONS e Calculated speed 40 r min or less 500 millisec Check Conditions ond e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less OBD II DRIVE CYCLE PATTERN e Engine speed 650 r min or more The calculated speed remains 40 r min or more for Time since above engine condition 1 5 seconds or more 500 millisecond Input shaft 1 odd speed 500 r min or more e Input shaft 2 even speed 500 r min or more PROBABLE CAUSES e Shift fork 4 position Neutral Malfunction of TC SST ECU Input shaft 1 odd gear Engaged e Malfunction of shift fork position sensor 4 e Engine speed input shaft 1 speed 50 r min or less DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T IIl USB Cable e MB991910 M U T III M
535. w to Cope with Intermittent Malfunction P 00 13 DTC P0776 Clutch Cooling Flow Solenoid System Drive current range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid is normal DESCRIPTIONS OF MONITOR METHODS The difference between the actual current of the clutch cooling flow solenoid and target current is large MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P0777 Clutch cooling flow solenoid system Stuck e P0964 Clutch cooling flow solenoid system Open circuit e P0965 Clutch cooling flow solenoid system Overvoltage e P0966 Clutch cooling flow solenoid system Short to ground e P0967 Clutch cooling flow solenoid system Short to power supply Sensor The sensor below is determined to be normal e Not applicable TSB Revision 22C 46 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Calculated current gt 1 000 mA Malfunction DTC SET CONDITIONS Check Conditions e Voltage of batter
536. w P0960 Line pressure solenoid system Open cir cuit P0961 Line pressure solenoid system Overvolt age P0962 Line pressure solenoid system Short to ground P0963 Line pressure solenoid system Short to power supply Sensor The sensor below is determined to be normal Not applicable TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality high gt START Nee Calculated current gt 500 mA Yes Continuous failure for 1 sec Yes Malfunction DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions lt Rationality high gt lt RATIONALITY HIGH gt e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less JUDGMENT CRITERIA lt Rationality high gt e Calculated current actual current target cur rent 500 mA or more 1 second TSB Revision 22C 39 AC710625 The value of the calculated current actual current target current remains 500 mA or less for 1 second 22C 40 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Rationality low gt START Nee Calculated current gt 500 mA Yes Continuous failure for 12 sec Yes Malfunction AC710626 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN lt RATIONALITY LOW gt The value of the calculated current target current
537. ween B 107 TC SST ECU connector terminal No 17 and C 27 shift lever ECU connector terminal No 16 Check the communication line for open and short circuit Q Is the check result normal YES Go to Step 5 NO Repair the wiring harness STEP 5 Check whether the DTC is reset 30 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P1803 set YES Replace the shift lever assembly Refer to P 22C 488 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 TSB Revision 22C 98 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt DTC P1804 Shift Fork Position Sensor 1 and 2 System Power supply voltage low range out A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the supply voltage to the shift fork position sensor 1 and 2 is normal DESCRIPTIONS OF MONITOR METHODS The supply voltage to the shift fork position sensor 1 and 2 is too low MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Other Monitor There is no temporary DTC stored in memory for the item monitored below e P1820 Shift fork position sensor 1 s
538. xample of the time required i When the shift lever position is P The time required is always 220 msec lt 10 C 14 F 3 220 msec gt 10 C 14 F ii When the shift lever position is R N If the transmission fluid temperature is 10 C 14 F or more the time required is 1 220 msec If the transmission fluid temperature is lower than 10 C 14 F the time required is 2 220 msec iii When shift lever position is D 2 220 msec If the transmission fluid temperature is 10 C 14 F or less the time required is 3 220 msec If the transmission fluid temperature is higher than 10 C 14 F the time required is 2 220 msec TSB Revision 22C 124 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence lt Target clutch 2 even pressure 1 400 hPa or more to 3 000 hPa or less gt START Monitoring condition met Calculated pressure lt 2 000 hPa Continuous failure for time required Malfunction Time required The time required for the Rationality high monitor depends on the transmission fluid temperature the shift lever position Shift lever position Transmission fluid temperature Time required gt 10 C 14 F 1 220 msec D N or R N or R P lt 10 C 14 F 2 220 msec N or P All range 220 msec lt 10 C 14 F 3 220 msec
539. y P181B Clutch 1 Pressure low range out P181C Clutch 1 Pressure high range out P181E Clutch 2 Pressure low range out P181F Clutch 2 Pressure high range out Sensor The sensor below is determined to be normal e Shift select solenoid 1 e Clutch shift pressure solenoid 2 e Clutch shift switching solenoid 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 239 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START f FET Field Effect Transistor No Monitoring condition met FET current gt 8 1 A FET output lt 100 mV Continuous failure for 1 sec Malfunction AC710725 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN The status with the current of the FET channel shunt 8 1 Aor less and with the FET channel output 100 mV or more continues for 1 second Check Conditions e Voltage of battery 8 V or more e Voltage of battery 16 5 V or less e High side 3 switch ON PROBABLE CAUSES JUDGMENT CRITERIA e FET Field Effect Transistor current 8 1 A or AARE UPd eee more and FET Field Effect Transistor output 100 mV or less 1 second DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 240 TWIN CLUTCH SPORTRONIC SHIFT TRANS
540. y e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision 22C 74 TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 5 seconds after turning ON the ignition switch check that the DTC is reset Q Is DTC No P0965 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DTC P0966 Clutch Cooling Flow Solenoid System Short to ground A CAUTION e If there is any problem in the CAN bus lines an incorrect diagnostic trouble code may be set Prior to this diagnosis diagnose the CAN bus lines e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION TC SST ECU checks that the clutch cooling flow solenoid circuit is normal DESCRIPTIONS OF MONITOR METHODS The clutch cooling flow solenoid circuit is determined to be short to ground MONITOR EXECUTION e Continuous MONITOR EXECUTION CONDITIONS OTHER MONITOR AND SENSOR Othe
541. y 8 V or more e Voltage of battery 16 5 V or less e Engine speed 650 r min or more e Time since above engine condition 1 5 seconds or more JUDGMENT CRITERIA lt Rationality high gt e Calculated current actual current target cur rent 1 000 mA or more 1 second JUDGMENT CRITERIA lt Rationality low gt e Calculated current target current actual cur rent 1 000 mA or more 1 second Monitoring condition met Yes Yes Continuous failure for 1 sec Yes AC710633 OBD II DRIVE CYCLE PATTERN lt RATIONALITY HIGH gt The value of the calculated current actual current target current remains 1 000 mA or less for 1 sec ond OBD II DRIVE CYCLE PATTERN lt RATIONALITY LOW gt The value of the calculated current target current actual current remains 1 000 mA or less for 1 sec ond PROBABLE CAUSES e Malfunction of TC SST ECU e Malfunction of clutch cooling flow solenoid DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 47 DIAGNOSIS lt TC SST gt STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C
542. y replacement 1 Replace the shift lever assembly Refer to P 22C 488 2 Check if the DTC is set Q Is DTC No P1881 set YES Replace the mechatronic assembly Refer to P 22C 505 NO Intermittent malfunction Refer to GROUP 00 How to Cope with Intermittent Malfunction P 00 13 DESCRIPTIONS OF MONITOR METHODS The movement of the shift fork 1 is determined to be abnormal set Prior to this diagnosis diagnose the CAN bus lines PROBABLE CAUSES e Whenever the ECU is replaced ensure that the CAN bus lines are normal DIAGNOSTIC FUNCTION e Malfunction of TC SST ECU e Malfunction of TC SST shift fork e Malfunction of valve body TC SST ECU checks that the movement of the shift fork 1 is normal DIAGNOSTIC PROCEDURE Required Special Tools e MB991958 Scan Tool M U T IIl Sub Assembly e MB991824 Vehicle Communication Interface V C I e MB991827 M U T III USB Cable e MB991910 M U T III Main Harness A STEP 1 Scan tool CAN bus diagnostics Using scan tool MB991958 diagnose the CAN bus lines Q Is the check result normal YES Go to Step 2 NO Repair the CAN bus lines Refer to GROUP 54C Troubleshooting P 54C 16 After repairing the CAN bus line go to Step 2 STEP 2 Check whether the DTC is reset 1 Erase the DTC 2 Drive with shifted in the 1st gear and reverse 3 Check that the DTC is reset Q Is DTC No P1885 set YES Go to Step 3 NO Intermittent malfunction R
543. ys turn the ignition switch to the LOCK OFF position 4 Connect scan tool to the data link connector Refer to P 22C 394 5 Position the steering wheel in a straight ahead direction 6 Turn the ignition switch to the ON position 7 Perform the actuator test item No 01 of scan tool to forcibly activate the hydraulic unit NOTE e The forced activation item No 01 Air bleeding mode is continued for 5 minutes then it will be cancelled auto matically Also using the clear key on the scan tool the activation can be forcibly cancelled When the hydraulic unit functions are stopped due to the fail safe the forced activation cannot be performed 8 From the straight ahead position gradually rotate the steering wheel to the right or left Loosen the bleeder screw and check that the air is bled with fluid A CAUTION e Keep the fluid level above the oil filter while air bleed ing If you fail to do so an air layer will be present below the oil filter This can cause the fluid not to be added below the oil filter e If the fluid level should have decreased below the oil fil A ter squeeze and release the feed hose so that the fluid T should be added below the oil filter ely 9 After bleeding the air tighten the bleeder screw 10 Repeat Steps 7 and 8 for two to three times After checking AC901725AB that air mixing is eliminated tighten the bleeder screw to the specified torque Tightening torque 5 0 1 0 N m 4
544. ystem Volt age low range out e P1821 Shift fork position sensor 1 system Volt age high range out e P1822 Shift fork position sensor 1 system Out put range out P1824 Shift fork position sensor 1 system Poor performance P1825 Shift fork position sensor 2 system Volt age low range out P1826 Shift fork position sensor 2 system Volt age high range out P1827 Shift fork position sensor 2 system Out put range out P1829 Shift fork position sensor 2 system Poor performance P1836 Shift fork 1 malfunction P183D Shift fork 2 malfunction P1844 Shift fork 3 malfunction P184B Shift fork 4 malfunction P1852 Shift fork 1 or 2 opposite direction move ment P1855 Shift fork 3 or 4 opposite direction move ment P1857 Odd number gear axle interlock P1858 Even number gear axle interlock P1876 Gear block 1st P1877 Gear block 2nd P1878 Gear block 3rd P1879 Gear block 4th P187A Gear block 5th P187B Gear block 6th P187C Gear block reverse Sensor The sensor below is determined to be normal Shift fork position sensor 1 Shift fork position sensor 2 TSB Revision TWIN CLUTCH SPORTRONIC SHIFT TRANSMISSION TC SST 22C 99 DIAGNOSIS lt TC SST gt LOGIC FLOW CHARTS Monitor Sequence START Yes Sensor supply lt 3 07 V Yes Continuous failure for 140 msec Yes Malfunction AC710669 DTC SET CONDITIONS OBD II DRIVE CYCLE PATTERN Check Conditions The su

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