Document 6028487
Contents
1. TSB Revision 22A 12 MANUAL TRANSAXLE SUPER ALL WHEEL CONTROL S AWC Diagnostic item Main trouble cause AWC pump AWC pump trouble AWC actuator AWC actuator protection 1 AYC control AYC control abnormality AWC actuator AWC actuator protection 2 ACD control ACD control abnormality Brake control Brake control abnormality AWC ECU AWC ECU internal error AWC pressure sensor power supply voltage Abnormality in AWC pressure sensor power supply voltage Battery positive voltage Power supply source to G and yaw rate sensor Chassis number Abnormal battery voltage too low Abnormal battery voltage too high Power supply source to G and yaw rate sensor Low voltage Power supply source to G and yaw rate sensor High voltage Chassis number not written G and yaw rate sensor Internal error in G and yaw rate sensor Steering wheel sensor Internal error in steering wheel sensor Bus off Bus off Engine time out error Engine time out error TC SST time out error ASC time out error TC SST time out error ASC time out error Steering wheel sensor time out error Steering wheel sensor time out error ETACS time out error ETACS time out error Engine data Engine data error Steering wheel sensor data Abnormality in steering wheel sensor data ETACS data Bus off Local CAN ETACS d2. FR wheel speed sensor Abnormality in circuit Abnormality in signal Abnormality in characteristics RL wheel speed sensor Abnormality in circuit Abnormality in signal Abnormality in characteristics RR wheel speed sensor Abnormality in circuit Abnormality in signal Abnormality in characteristics Tire speed Steering wheel sensor Abnormality in tire speed Abnormality in signal Steering wheel sensor Neutral learning abnormality G and yaw rate sensor Abnormality in signal G and yaw rate sensor Abnormality in longitudinal G sensor output signal AWC power supply electronic relay Abnormality in AWC power supply electronic relay AWC pressure sensor AWC pressure sensor low voltage AWC pressure sensor high voltage AWC switch AWC switch seizure Parking brake switch Parking brake switch ON seizure Brake control Prohibition request of brake control Cranking signal Cranking signal seizure AWC CAN main AWC CAN main data not received AWC CAN local AWC CAN local data not received AYC current value AYC current value abnormality AYC direction valve right Abnormality of AYC direction valve right output AYC direction valve left Abnormality of AYC direction valve left output ACD current value ACD current value abnormality AWC pump relay Abnormality in AWC pump relay circuit
3. S AWC Super All Wheel Control performs an inte grated control of ACD Active Center Differential AYC Active Yaw Control ASC Active Skid Con trol and ABS Anti lock Brake System under the newly developed 4 wheel controlling ideal AWC Wheel Control This vehicle movement integrated control system offers the superior drivability at driver s will and excellent stability M2223000100063 NOTE e For more information on ABS refer to GROUP 35B e For more information on ASC refer to GROUP 35C TSB Revision 22A 6 MANUAL TRANSAXLE SUPER ALL WHEEL CONTROL S AWC INFORMATION OF CONSTRUCTION AND OPERATION M2222000300020 Multi information display ASC OFF switch ASC ECU and hydraulic unit AWC switch Hydraulic unit ACD transfer Ze Es Steering wheel sensor Engine Transmission g Ze TC SST ECU H LTE EE lt Vehicles with TC SST gt T H 7 Wheel speed sensor x ee CAN bus communication lines Engine ECU AWC ECU Electric wiring Hydraulic piping AYC differential G and yaw rate sensor AC705119AC AWC ECU performs a calculation based on the infor mation from ECU sensors and switches Then based on the calculation value it appropriately oper ates the hydraulic units for ACD AYC ASC ABS to control in response to the driver s operations and vehicle behaviors Item Co
4. backward two idler gears engaged with 1st and 3rd gears are synchronized to transfer the torque TSB Revision M2222000300019 AC705887AD MANUAL TRANSAXLE 22A 5 TRANSAXLE CONTROL TRANSAXLE CONTROL GENERAL INFORMATION With the transaxle control a cable type is adopted with which the gear is shifted through a cable between the transaxle and shift lever The shift lever and control cable offer the following advantages Shift lever e The spherical rotation fulcrum type which does not have much looseness has been adopted to the rotating shaft e The base bracket is made of resin to reduce weight e The lever has been made to have a shorter stroke for improved operability d 5 In PT VA i ae y Transaxle assembly M2222000200023 Control cable e The one touch assembly of cable ends at the transaxle side and the shift lever side has been made available to improve serviceability Except for the transaxle side end of shift cable A socket with elastic body has been adopted to the cable transaxle side joint to reduce sticking or tightness Shift knob e Spherical shift knob is adopted for easier opera tion e The size is designed to allow the operation with racing gloves put on e Soft material and leather are used with the knob to reduce damage to hand during sport driving Shift cable Shift knob AC705546AC SUPER ALL WHEEL CONTROL S AWC GENERAL INFORMATION
5. 22A 1 GROUP 22A MANUAL TRANSAXLE CONTENTS MANUAL TRANSAXLE 22A 2 SUPER ALL WHEEL CONTROL GENERAL 224 5 22A 5 INFORMATION OF CONSTRUCTION GENERAL 22A 5 AND 22A 4 INFORMATION OF CONSTRUCTION AND OPERATION oua auaaa auaa 22A 6 TRANSAXLE CONTROL 22A 5 CONTROL OVERVIEW aaau 22A 8 GENERAL INFORMATION 22A 5 DIAGNOSTIC FUNCTION 22A 11 MANUAL TRANSAXLE 22A 2 MANUAL TRANSAXLE MANUAL TRANSAXLE GENERAL INFORMATION For the manual transaxle newly developed W5M6A e The synchronization mechanism from 1st to 5th has been adopted The transaxle offers the following gear has been multi synchronized to improve the features durability e The width of each gear tooth is increased to achieve the high torque capacity suitable for 4B11 engine At the same time the increase of transaxle length is kept minimum securing the same length as the conventional 6 speed tran saxle SPECIFICATION Item Specification Transaxle model W5M6A Transaxle type 5 speed forward 1 speed reverse constant mesh Gear ratio 2 857 1 950 1 444 5th 1 096 0 761 Reverse 2 892 Final gear ratio 4 687 Helical gear LSD front differential Present Transfer Reduction ratio 0 302 Differe
6. ata error Bus off Local CAN Variant coding Variant coding not implemented Variant coding Abnormality in variant coding TC SST data TC SST data error ASC data ASC data error Wheel speed sensor data Wheel speed sensor data error G and yaw rate sensor data Abnormality in G and yaw rate sensor data TSB Revision
7. content TARMAC Mainly for a dry paved road surface A slight control is performed with ACD and a focused control is performed with AYC lateral torque movement control brake control Mainly for a wet road surface and dirt road A slightly strong control is performed with ACD and a mid range control is performed with AYC lateral torque movement control brake control Mainly for snowy roads A focused control is performed with ACD and a slight control is performed with AYC lateral torque movement control brake control SENSOR INFORMATION Together with the sensor information used with EVO LUTION IX information on engine torque engine speed and brake pressure yaw rate have been added to enable more substantial control thus improving the responses to vehicle driving condi tions YAW RATE FEEDBACK CONTROL INTRODUCTION OF YAW RATE FEEDBACK CONTROL Using the yaw rate sensor information the vehicle cornering status is accurately determined and the vehicle cornering motion that is faithful to the driver s steering operation has been achieved TSB Revision MANUAL TRANSAXLE 22A 9 SUPER ALL WHEEL CONTROL S AWC EFFECTS OF YAW RATE FEEDBACK CONTROL Current ACD AYC control Cornering limit has been improved gt r 1 Current ACD AYC control 4 Steering angle ratio Under steering has been AWC Yaw rate i A i i i reduced control S XY
8. el audio remote control gt TARMAC GRAVEL SNOW TARMAC AC706060 AC MULTI INFORMATION DISPLAY The current driving mode is displayed at all times to the upper T center of multi information display When the mode is switched AWC mode the mode switching status is displayed automatically to the TARMAC DEE information screen at the middle and then the screen returns to GRAVEL When switched the previous screen after the completion of setting SNOW F P S SPORT_E Also by the operation of multi information meter switch an z exclusively designated screen for displaying the AWC opera AC706013 AC 22 i ial limi PS TARMAC ees tion status can be set to the information screen at the middle EE EE This exclusively designated screen displays the ACD differen Yaw movement tial limit status to the screen center and the yaw movement control status by AYC control status by AYC to the screen left and right F Figure When the right turn moment an zs AC705117AC TSB Revision MANUAL TRANSAXLE 22A 8 SUPER ALL WHEEL CONTROL S AWC CONTROL OVERVIEW AWC CONTROL MODE The AWC control is the same as with EVOLUTION IX and the control mode can be switched among TARMAC GRAVEL and SNOW in response to road conditions M2223000800028 AWC control mode Control
9. essed by the brake force improving the traction performance This brake control can be deactivated with the ASC OFF switch TSB Revision z MANUAL TRANSAXLE 22A 10 sure ALL WHEEL CONTROL sm EFFECTS OF BRAKE CONTROL The understeer behavior and oversteer behavior near the driving limit range are further suppressed INTEGRATED CONTROL OF ACD AYC ASC ABS ASC has been added to ACD AYC and ABS that are equipped with LANCER EVOLUTION IX and an integrated control is performed to enhance the driv ing performance cornering performance and stabil ity in any driving condition during acceleration deceleration and cornering ADDITION OF TC SST CONTROL lt VEHICLES WITH TC SST gt For vehicles with TC SST AWC ECU communicates with TC SST ECU via CAN line to suppress unnec essary gear shifts during cornering which hamper the sport driving TSB Revision MANUAL TRANSAXLE 22A 11 SUPER ALL WHEEL CONTROL S AWC DIAGNOSTIC FUNCTION DIAGNOSTIC TROUBLE CODE If a trouble is present to the AWC system a corre sponding trouble spot is stored in AWC ECU as the diagnostic trouble code below and a warning is dis played to the multi information display DIAGNOSTIC TROUBLE CODE TABLE Diagnostic item M2223000900036 Main trouble cause Stoplight switch Stoplight switch seizure FL wheel speed sensor Abnormality in circuit Abnormality in signal Abnormality in characteristics
10. i ee ae d Convergence and stability 7 1 have been improved Centripetal acceleration AC705142 AC With the cornering performance of when vehicle is resulting in a further improvement to cornering per steered to trace a turning circle of certain radius formance For the quick steering lane change on a while the speed is gradually increased the under slippery road surface the stability and convergence steer is further suppressed compared to the of vehicle behavior at the completion of lane change ACD AYC control adopted with EVOLUTION have also been improved BRAKE CONTROL ADDITION OF BRAKE CONTROL Offers information of sensor and ASC status f I Brake forceis ASC ECU Brake force is generated l generated Brake force is III Brake force is generated EE generated Kess 7 Master cylinder brake Wheel cylinder brake hydraulic pressure sensor hydraulic pressure sensor AC705118AC In addition to the conventional lateral torque move Brake force is applied to the inside wheels while the ment control a new brake control has been added to vehicle behavior is understeer during cornering and AYC It is activated near the driving limit range to to the outside wheels when oversteer achieving the assist the yaw motion control vehicle cornering performance that corresponds to the driver s operation Also the spinning of front wheels at vehicle start is suppr
11. ntial gear unit Hydraulic pressure multiplate clutch ACD Transmission oil Brand Mitsubishi genuine Dia Queen new multi gear oil SAE 75W 80 GL 3 Capacity dm 2 5 Transfer oil Brand Mitsubishi genuine Dia Queen LSD Gear Oil Capacity dm 0 8 AWC control fluid Brand Mitsubishi genuine Dia Queen ATF SPIII Capacity dm 1 0 Hydraulic pipe section TSB Revision SECTIONAL VIEW OaRwWn gt 5th speed gear 4th speed gear Rev idler gear B 3rd speed gear Rev idler gear A Input shaft MANUAL TRANSAXLE 5 MANUAL TRANSAXLE 22A 3 AC705183 AD Front differential Helical gear type Hypoid pinion Center differential 1st speed gear 2nd speed gear Output shaft TSB Revision P MANUAL TRANSAXLE 22A 4 MANUAL TRANSAXLE INFORMATION OF CONSTRUCTION AND OPERATION The width of each gear tooth is increased and the 1st and 3rd gears are shared with the reverse gear keeping the increase of transaxle length to a mini mum Synchronizer For reverse gear Reverse idler gear A Reverse idler gear B 3rd speed gear 1st speed gear When the vehicle is driven
12. ntrol content ACD transfer The basic structure and operation are the same with EVOLUTION IX but the strength of each part has been enhanced to support the high powered engine AYC differential The basic structure and operation are the same with EVOLUTION IX but the strength of each part has been enhanced to support the high powered engine Hydraulic unit For ACD AYC The basic structure and operation are the same with EVOLUTION IX but the shape has been changed to accommodate the change of on vehicle layout Hydraulic unit for ASC ABS In addition to the brake control of ASC and ABS it also performs the AYC brake control AWC ECU Based on the information obtained via CAN communication and others it appropriately controls ACD AYC ASC and ABS Sensors Adding to the sensors throttle position sensor G sensor steering sensor wheel speed sensor that provided information to EVOLUTION IX the following sensors have been equipped Engine torque sensor engine speed sensor yaw rate sensor and wheel cylinder brake fluid pressure sensor TSB Revision MANUAL TRANSAXLE 22 7 SUPER ALL WHEEL CONTROL S AWC AWC SWITCH With the operation of AWC switch the driving mode can be switched among TARMAC GRAVEL and SNOW Depending on the mounting position the mode switching dif fers with the AWC switch e Steering wheel TARMAC GRAVEL amp SNOW e Floor console lt Vehicles with steering whe
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