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1. 132 DTC Logic ci 95 Component Inspection Motor Nn 136 Diagnosis Procedure 95 Component Inspection PBR 136 B2578 B2579 IN VEHICLE SENSOR 96 B275F B2760 B2761 UPPER VENTILATOR DTC Logic IST 96 DOOR MOTOR DP EE 137 Diagnosis Procedure MM RI Mr 89 DiC LOGIC inta ttem tea 137 Component xi Diagnosis Procedure 137 B257B B257C AMBIENT SENSOR 99 Component Inspection Motor 140 DTG Eoo IEEE 99 Component Inspection PBR 141 Diagnosis Procedure a erben acu vada dade e 99 B275F B2760 B2761 UPPER VENTILATOR Component Inspection 100 DOOR MOTOR DRIVER SIDE 142 B2581 B2582 INTAKE SENSOR 102 DTG LOGIC E 142 DTG LOGIC 3 102 Diagnosis Procedure 142 Diagnosis Procedure sse 102 Component Inspection Motor 145 Component Inspection sse 103 Component Inspection PBR 146 B262A B262B B2657 B2658 EXHAUST B2762 B2763 B2764 REAR MODE DOOR GAS OUTSIDE ODOR DETECTI
2. Work support items Display F Display C 6 3 0 5 2 5 4 2 0 3 1 5 2 1 0 1 0 5 TEMP SET CORRECT 0 initial status 0 initial status 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 When 3 0 6 is corrected on the temperature setting set as 25 0 C 77 F the temperature controlled by A C auto amp is 25 0 C 77 F 3 0 C 6 F 22 0 C 72 F and the temperature becomes lower than the temperature setting AUTOMATIC AIR CONDITIONING SYSTEM Inlet Port Memory Function REC INFOID 0000000006 115689 DESCRIPTION If the ignition switch is turned to the OFF position while the REC indicator is set to ON recirculation Per form the memory or Do not perform the memory of REC indicator ON recirculation condition can be selected If Perform the memory was set REC indicator will be ON recirculation when turning the ignition switch to the ON position again If Do not perform the memory was set the air inlets will be controlled automatically when turning the igni tion switch to the ON position again HOW TO SET CONSULT III Perform the REC MEMORY SET of HVAC work support item Work support items Display Setting WITHOUT initial status Perform the memory of manual REC REC MEMORY SET WITH Do not perform the memory of manual REC auto control Revision 2010 June HA
3. AM JO a a gt gt gt 4 9 gt a g 5 5 8 2 5 BE ES 5 e m a fe 94M JO 20409 2 uoneo eusis 3HIM OL 3HIM WALSAS SNINOLLIQNOO IV OILVINO LOV JCIWA0487GB 2011 M37 M56 HAC 69 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt et a Go o ____ _ _____ _ _____ 07 jiu eaw jo uoneoyisedg iuis ple ofe 17 c c 5 c 12 9 85 v c or Ss e 6 9 1 uo s lt SZ EZ 44 IZ 41 l L t 2 ON JO 1 94M JO 1000 4ooo Jeune p CESSES MEINE A 2 a g
4. 86 FOREST AIR SYSTEM Work Procedure 86 39 ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT A C AUTO 89 89 Work Procedure Re Ree tt 89 CONFIGURATION HVAC 90 41 Description 90 Work Procedure 14 4 90 SYSTEM SETTING 91 HAC 2 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM 91 Diagnosis Procedure 112 AUTOMATIC AIR CONDITIONING SYSTEM Component Inspection Motor 115 Temperature Setting Trimmer 91 Component Inspection PBR 116 AUTOMATIC AIR CONDITIONING SYSTEM In let Port Memory Function REC 91 B2753 B2754 B2755 AIR MIX DOOR MO AUTOMATIC AIR CONDITIONING SYSTEM In TOR PASSENGER SIDE 117 let Port Memory Function FRE RAPERE PCR TUNI 92 DTC Logic ad LI HT stants 117 AUTOMATIC AIR CONDITIONING SYSTEM Diagnosis Procedure 117 Foot Position Setting Trimmer 92 Component Inspection Motor 120 Component Inspection PBR
5. 8 51 Se 5 55 8 TWNOIS JAHA 430 YOLOW 28 TYN IS JAYA UNIOS 4 31 vWOuv u 51 28 TVN IS JAHA LOH 1 18 Te wees mow WISIS ivan Maa 08 fannous VOLON 4000 M 61 Te wong WO 575 wood inanan 8 9 54 De WHO ued inanan f 8 9 SL ivNSIS 8 Yad SSvd 1 w 8 4 ud SSYd HOLOW 8008 IQON H3MOd YOLOW HOY3 FIVNDIS SARC SOLOW NOOG WNDIS JAINA 55 HOLOW 4000 XIN XIV Te 55010 inanan aaa 99 Vang WHOIS 3016 uo uorouoon un 99 TYN IS JAHA HO LOW HOOQ 1 7WNOIS JAYA 1N3A SSVd HOLONW IVNOIS SARC 1N3A HOLOW HOOQ 300 VNOIS 3AIud GOOM 1 HOLOW 1 5 9 5 489 HOLOW HOOG HH a a 86 4 Hed SSVd HOLOW dn MA 99 IVNOSIS 8 4 Yad HOLOW 3iviNI 841 ss IvNOIS 8 3 8008 IAOW d IVNDIS 8 4 HOLOW cs IVNDIS 8 4 Yad HOLOI VWOuV ww zs WN
6. INFOID 0000000006115319 1 SAVING VEHICLE SPECIFICATION CONSULT III Configuration Perform READ CONFIGURATION to save or print current vehicle specification Refer to HAC 90 Descrip tion NOTE If READ CONFIGURATION can not be used use the WRITE CONFIGURATION Manual setting after replacing A C auto amp gt gt GO TO 2 2 REPLACE A C AUTO AMP Replace A C auto amp Refer to HAC 201 Removal and Installation gt gt GO TO 3 3 WRITING VEHICLE SPECIFICATION BCONSULT III Configuration Perform WRITE CONFIGURATION Config file or WRITE CONFIGURATION Manual setting to write vehicle specification Refer to HAC 90 Work Procedure gt gt WORK END Revision 2010 June HAC 89 2011 M37 M56 CONFIGURATION lt BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING CONFIGURATION HVAC D esc ri pti n INFOID 0000000006115320 Vehicle specification needs to be written with CONSULT III because it is not written after replacing A C auto amp Configuration has three functions as follows Function Description Reads the vehicle configuration of current A C auto amp Saves the read vehicle configuration WRITE CONFIGURATION Manual setting Writes the vehicle configuration with manual setting WRITE CONFIGURATION Config file Writes the vehicle configuration with saved data CAUTION When replacing A C auto amp you must perform WRITE CONFIGURAT
7. 2 IVNSIS 10373 ASIA 85 96 _______ ___ vu OND A 6 3S 1nd 8 43385 d 10IH3A 26 WIRING DIAGRAM gt 2 VNOIS 131 2 5 131 PIS aS 9 mms Jaz Hn t s PWD AV Jafe ______ HOD Av 25 amp PHO AV Onoon uoneoyloadg eue jeusis HN M3c HL ed 4039euuo TOULNOD AV _________ M 2 2 JO ON uoneoyloodg owen jeusis HN Md3TOHLL adh 4039euuor WOSN3S SNILO313Q HOQO IVNSIS SSVd HOSN3S 0 01 5 o HOLIMS 15 5 _______ w IVNSIS 1041100 H3ZINOI M WNOIS TOH1NOO AVTSY 15 5 H3MOd HOSN3S e 7VN5IS HOSN3S 5 103130 A 9 1 915 HQ HOSN3S QvO INnS _ __ se TVN IS MOGNIM ALIGINNH 57 WNDIS HOSN3S 310 91 22 IWNDIS HOSN3S LN3IBIAV og ie HOSN3S adsino svo ux 1 06 eam jo uoneoyroeds jeusis HN M4PZHL ed
8. DTC CONSULT III screen terms DTC detection condition Possible cause Upper ventilator door motor PBR feedback sig Upper ventilator door motor B275F nal voltage is too low Upper ventilator door motor instal lation condition A C auto amp Harness or connectors B2761 Stop position of upper ventilator door motor is The motor circuit is open or short malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 137 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID O000000005905735 Upper ventilator door motor PBR feedback sig B2760 DRUP VENT DOOR MOT nal voltage is too high 1 UPPER VENTILATOR DOOR MOTOR OPERATION 1 Turn ignition switch ON 2 Touch Upper Vent in Climate screen and check by operation sound that upper ventilator door motor operates Does upper ventilator door motor operate YES gt gt GOTO8 NO gt gt GO TO 2 2 UPPER VENTILATOR DOOR MOTOR DRIVE SIGNAL Check voltage between upper ventilator door motor harness connector and ground when Upper Vent in Cli mate screen is touched Voltage Upper ventilator door motor Condition Approx Connector Terminal 1 ON OFF M
9. DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE CONSULT III 1 ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES Refer to HAC 132 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID O000000006905731 1 INTAKE DOOR MOTOR OPERATION 1 Turn ignition switch ON 2 Operate FRE switch and REC switch with Forest Air or intake switch without Forest Air 3 Listen to intake sound and confirm air inlets change Does it operate normally YES gt gt GOTO8 NO gt gt GO TO 2 2 CHECK INTAKE DOOR MOTOR DRIVE SIGNAL 1 Operate FRE switch and REC switch with Forest Air or intake switch without Forest Air 2 Check voltage between intake door motor harness connector and ground Revision 2010 June HAC 132 2011 M37 M56 275 B275D B275E INTAKE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 4 T Voltage Intake door motor Condition Approx Connector Terminal 1 REC FRE M310 without Forest Air 2 FRE 5 REC Ground Inlet duct 12V 1 REC FRE 309 with Forest Air 2 FRE 5 REC Is the inspection result normal YES gt gt 6 NO gt gt GO TO 3 3 CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 D
10. Revision 2010 June HAC 182 2011 M37 M56 lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING IONIZER Component Function Check INFOID 0000000005905765 1 IONIZER OPERATION SOUND 1 Turn ignition switch ON 2 Checkionizer operation sound whirring sound in duct by putting an ear to the side ventilator grille driver side outlet while pressing fan switch and OFF switch alternately Is the inspection result normal YES gt gt INSPECTION END NO Refer to HAC 183 Diagnosis Procedure Diagnosis Procedure INFOID O000000005905765 1 IONIZER POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect ionizer connector 3 Turn ignition switch ON 4 Check voltage between ionizer harness connector and ground lonizer Voltage ___ Terminal M98 1 Ground Battery voltage Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 CHECK FUSE 1 Turn ignition switch OFF 2 Check 10 A fuse No 3 located in fuse block J B NOTE Refer to PG 131 Fuse Connector and Terminal Arrangement Is the inspection result normal YES gt gt GOTO3 NO Replace the fuse after repairing the applicable circuit 3 CHECK IONIZER POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect fuse block J B connector 2 Check continuity between ionizer harness connector and fuse block J B harness connector lonizer Fuse block J B
11. DTC is not detected 11 REPAIR CHECK OPERATION CHECK Symptom remains Check the operation of each part Normal operation lt INSPECTION END gt JPLIA0313GB DETAILED FLOW 1 INTERVIEW FOR MALFUNCTION Interview the symptom to the customer Revision 2010 June HAC 80 2011 M37 M56 DIAGNOSIS AND REPAIR WORK FLOW BASIC INSPECTION AUTOMATIC AIR CONDITIONING gt gt GO TO 2 2 SYMPTOM CHECK Check the symptom from the customer s information gt gt GO TO 3 3 BASIC INSPECTION Check the operation of each part Check that any symptom occurs other than the interviewed symptom gt gt GO TO 4 4 SELF DIAGNOSIS WITH CONSULT III Perform the self diagnosis with CONSULT III Check that any DTC is detected Is any DTC detected YES gt gt GOTOS5S NO gt gt GO 6 5 TROUBLE DIAGNOSIS BY DTC Perform the trouble diagnosis for the detected DTC Specify the malfunctioning part gt gt GOTO 9 6 FAIL SAFE ACTIVATION CHECK Check that the symptom is applied to the fail safe activation Does the fail safe activate YES gt gt GOTO7 NO gt gt GO TO 8 7 SYSTEM DIAGNOSIS Perform the system diagnosis for the system that the fail safe activates Specify the malfunctioning part gt gt GO TO 9 8 SYMPTOM DIAGNOSIS Perform the symptom diagnosis Specify the malfunctioning part GO TO 9 MALFUNCTION PART REPAIR Repair or replace the malfunctioning part
12. Revision 2010 June HAC 212 2011 M37 M56 lt REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING IONIZER Exploded View INFOID 0000000005905802 Refer to VIL 8 Exploded View Removal and Installation INFOID 0000000005905808 Removal 1 Remove instrument panel assembly Refer to 13 Removal and Installation 2 Remove mounting screws and then remove ionizer from ventilator duct LH CAUTION Never tough the surface ceramic part of the ionizer It is the discharge electrode 3 Disconnect ionizer harness connector INSTALLATION Note the following item install in the reverse order of removal CAUTION If there is dirt use a clean cloth and clean the discharge electrode ceramic part of the ionizer Revision 2010 June HAC 213 2011 M37 M56 AROMA UNIT ASSY lt REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING AROMA UNIT ASSY Exploded View INFOID 0000000005905804 Refer to 16 Exploded View Removal and nstal latio n INFOID 0000000005905805 REMOVAL 1 Remove instrument lower panel RH Refer to IP 13 Removal and Installation 2 Disconnect aroma tube and harness connector 3 Remove mounting screws and then remove aroma unit INSTALLATION Note the following items Install in the reverse order of removal CAUTION Install aroma tube so that it is free of kinks Operate aroma unit after installation Check that aroma is supplied from air outl
13. 121 FOREST AIR SYSTEM 92 FOREST AIR SYSTEM Aroma Fragrance Inten B2756 B2757 B2758 MODE DOOR MOTOR sity Setting ettet de te ree Pee entes 92 DRIVER SIDE ecce rara Su ata innuens 122 FOREST AIR SYSTEM Aroma Fragrance Type DTC o ricca RR RR ert Ems 122 Setting cete cede bee RT alee 92 Diagnosis Procedure 122 FOREST AIR SYSTEM Air Flow Control Inside Component Inspection Motor 125 Odor Detecting Mechanism Setting 93 Component Inspection PBR 126 FOREST AIR SYSTEM Aroma Diffuser Pres ence Selling cte ee e ecce da 93 B2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE eine 127 DTC CIRCUIT DIAGNOSIS 94 DI ES 127 Diagnosis Procedure 127 U1000 CAN COMM CIRCUIT 94 Component Inspection Motor 131 B rcgno MR 94 Component Inspection 131 DIKOA iniit teet Pes er nem 94 Diagnosis Procedure 94 B275C B275D B275E INTAKE DOOR MO cT 132 U1010 CONTROL UNIT CAN 95 DTG LOGIC sin itte ien 132 Description MEO 95 Diagnosis Procedure
14. Automatic defogging control does not operate nor mally Revision 2010 June Thecircuit between humidity sensor and A C auto amp Humidity sensor A C auto amp HAC 192 HAC 162 Diagnosis Procedure 2011 M37 M56 FOREST AIR SYSTEM SYMPTOM DIAGNOSIS Symptom AUTOMATIC AIR CONDITIONING Corresponding malfunction part Reference Operation status of automatic defogging control is not indicated on display Humidity sensor system is normal A C auto amp Replace A C auto amp Refer to HAC 201 Removal and Installa tion Aroma diffuser control does not operate normally Aroma motor does not operate normally The circuit between aroma motor and A C auto amp Aroma motor A C auto amp HAC 157 Diagnosis Procedure Aroma diffuser control does not operate normally Aroma motor is normal but fragrance is not dif fused Aroma cartridge Replace aroma cartridge Refer to HAC 214 Removal and Installa tion Operation status of aroma diffuser control is not indi cated on display Revision 2010 June A C auto amp HAC 193 Replace A C auto amp Refer to HAC 201 Removal and Installa tion 2011 M37 M56 COMPRESSOR DOSE DOT OPERATE SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING COMPRESSORDOSEDOTOPERATE Description INFOID Q000000006 15697 Symptom Compressor dose not operate Diagnosis Procedure INFO
15. Contamination level of ambient air that is judged by A C auto amp according to value GAS SEN LEVEL from exhaust gas outside odor detecting sensor With Forest Air ACTIVE TEST The signals used to activate each device forcibly supplied from A C auto amp operation check of air condi tioning system can be performed Test item Description The operation check of air conditioner system can be performed by selecting the mode HAC TEST Refer to the following table for the conditions of each mode Check each output device With Forest Air Test item MODE 1 MODE2 MODE3 4 5 MODE6 7 Mode door motor driver side position VENT 1 VENT 2 B L B L FOOT D F DEF Mode door motor passenger side position VENT 1 VENT 2 B L B L FOOT D F DEF Rear mode door motor position VENT VENT B L B L FOOT FOOT DEF Revision 2010 June HAC 51 2011 M37 M56 DIAGNOSIS SYSTEM HVAC SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Test item MODE 1 MODE 2 MODE3 4 5 MODE6 MODE 7 Intake door motor position REC REC 20 FRE 20 FRE FRE FRE FRE Air mix door motor driver side position FULL RUEL FOLE FULL FUEL POL COLD COLD COLD HOT HOT HOT HOT Air mix door motor passenger side position pore FULE PULI FULE FULL FULE FULE COLD COLD COLD HOT HOT HOT HOT Power transistor gate voltage 4V 4V 7V 7V 11 5 V 1
16. GO TO 10 1 O REPAIR CHECK SELF DIAGNOSIS WITH CONSULT III Perform the self diagnosis with CONSULT III Check that DTC is not detected Erase DTC if DTC is detected before the repair Check that DTC is not detected again Is any DTC detected YES gt gt GOTOS5S NO gt gt GO TO 11 11 REPAIR CHECK OPERATION CHECk Check the operation of each part Does it operate normally YES gt gt END NO gt gt GO TO 3 Revision 2010 June HAC 81 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING OPERATION INSPECTION AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Work Procedure INFOID 0000000005905682 DESCRIPTION The purpose of the operational check is to check that the individual system operates normally Check condition Engine running at normal operating temperature OPERATION INSPECTION 1 BLOWER MOTOR Operate the fan switch Check that the fan speed changes check the operation for all fan speeds Is the inspection result normal YES gt gt GOTO2 NO gt gt Blower motor system malfunction Refer to HAC 172 Diagnosis Procedure 2 LH RH INDEPENDENT AIR OUTLET ADJUSTMENT FUNCTION 1 Operate MODE switch driver side and the DEF switch Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets drive
17. 1 Turn ignition switch OFF 2 Disconnect power transistor connector 3 Disconnect A C auto amp connector 4 Check continuity between A C auto amp harness connector and power transistor harness connector A C auto amp Power transistor Continuity Connector Terminal Connector Terminal M66 6 M112 1 Existed Is the inspection result normal YES gt gt GOTO 17 NO Repair harness or connector 1 7 BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between A C auto amp harness connector and ground A C auto amp Continuity Connector Terminal M66 6 Ground Is the inspection result normal YES gt gt GO TO 18 NO Repair harness or connector 1 8 REPLACE POWER TRANSISTOR Not existed HAC 175 Revision 2010 June 2011 M37 M56 BLOWER MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Replace power transistor Refer to 212 Removal and Installation Is the inspection result normal YES gt gt INSPECTION END NO gt gt GO TO 19 1 9 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection Blower Motor inFo10 0000000005805757 1 CHECK BLOWER MOTOR I 1 Remove blower motor Refer to VTL 18 BLOWER MOTOR
18. 186 Exploded View 2 207 Diagnosis Procedure 2 186 Removal and Installation 207 SYMPTOM DIAGNOSIS 187 EXHAUST GAS OUTSIDE ODOR SENSOR 208 Removal and Installation 208 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR 187 DOOR MOTOR sees 209 Symptom Table ens 187 Exploded VIGW susce utat eu tu cosi 209 AUTOMATIC AIR CONDITIONING SYSTEM MODE DOOR MOTOR x 209 WITHOUT FOREST AIR 10 MODE DOOR MOTOR Removal and Installation 209 Symptom Table 190 AIR MIX DOOR MOTOR Ree 210 FOREST AIR SYSTEM pe Symptom Table O PL INTAKE DOOR MOTOR 210 COMPRESSOR DOSE DE LOPE te m 14 INTAKE DOOR MOTOR Removal and Installa Description 4 44420947 4 0 4 4 7 194 E N 210 Diagnosis Procedure 194 4 Revision 2010 June 2011 M37 M56 UPPER VENTILATOR DOOR MOTOR 211 Removal and Installation xeu A vds dea 212 UPPER VENTILATOR DOOR MOTOR Removal and ie erotica 211 IONIZER
19. 197 DeScriptiori et iiie 197 B276B B276C B276D HUMIDITY SENSOR 162 Diagnosis Procedure 197 BN Oil 162 Diagnosis Procedure 162 INTELLIGENT KEY INTERLOCK FUNCTION Component Inspection 165 DOES NOT OPERATE 198 Description codec eene coe 198 POWER SUPPLY AND GROUND CIRCUIT 167 Diagnosis Procedure 198 AUTO 22222 22 1 167 NORMAL OPERATING CONDITION 199 AUTO Diagnosis Procedure 167 sse el assidue 199 DOOR MOTOR PBR WITH FOREST AIR 167 REMOVAL AND INSTALLATION 200 DOOR MOTOR PBR WITH FOREST AIR Diag NOSIS Procedure 167 MULTIFUNCTION SWITCH 200 DOOR MOTOR PBR WITHOUT FOREST AIR 169 Removal and Installation 200 DOOR MOTOR PBR WITHOUT FOREST AIR ssi 201 Diagnosis Procedure 169 Exploded View esses csetera tentent 201 Removal and Installation 201 BLOWER MOTOR cuiii in ERRARE 172 Diagnosis Procedure 172 AMBIENT S
20. en 2199190 94IM JO ON 4opo H1HOLON HOOQ 3QOW ewen uoneoyloadg eue jeusis 94IM JO 94IM JO 400 Bus ees H18010N HOOT XIN Sin uoneoyioeds jeusis YOSNAS JNVLNI ON 203990009 E 2 ___ aoo uoneoyroedg jeusis 217181211 YOLOW HOOQ HOLVILLN3A H3ddn AT TES uoneoyloadg awey jeusis a ER yer HOOQ HOLVTILLNSA JO ON 4ooo Jeune Se YOLOW HOOQ ET ESO WALSAS SNINOLLIQNOO NIV OILVINO LOV JCIWA0496GB 2011 M37 M56 HAC 78 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM AUTOMATIC AIR CONDITIONING Signal Name Specification Signal Name Specification 24 AUTOMATIC AIR CONDITIONING SYSTEM Connector No Connector Name HUMIDITY SENSOR Connector WIRE TO WIRE Terminal Color No of Wire Connector Type Connector Type JCIWA0497GB Revision 2010 June HAC 79 2011 M37 M56 DIAGNOSIS AND REPAIR WORK FLOW BASIC INSPECTION gt AUTOMATIC AIR CONDIT
21. 1 MODE DOOR MOTOR DRIVER SIDE OPERATION 1 Turn ignition switch ON 2 Operate MODE switch driver side and check by operation sound that mode door motor driver side operates Is the inspection result normal YES gt gt GOTO8 NO gt gt GO TO 2 2 CHECK MODE DOOR MOTOR DRIVER SIDE DRIVE SIGNAL 1 Press MODE switch driver side and DEF switch 2 Check voltage between mode door motor LH harness connector and ground T Mode door motor LH Condition 2 Approx Connector Terminal 1 DEF VENT M316 with Forest Air Ground Air outlet 12V 317 without Forest Air 2 VENT DEF Revision 2010 June HAC 122 2011 M37 M56 2756 B2757 B2758 MODE DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt GOTO6 NO gt gt GO TO 3 MODE DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect mode door motor LH harness connector and A C auto amp harness connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M316 with Forest Air 1 63 317 without Forest Air 2 M304 83 Existed Is the inspection result normal YES gt gt GO TO 4 NO Repair harness or connector 4 CHEC
22. eerte nennen nnne nnns 213 Exploded View 213 REAR MODE DOOR MOTOR 211 Removal and Installation 213 REAR MODE DOOR MOTOR Removal and In StallatiO iid esce e dee er D ee tenete 211 AROMA UNIT ASSY 214 Exploded 214 POWER TRANSISTOR 212 Removal and Installation 214 Exploded View 212 Revision 2010 June HAC 5 2011 M37 M56 PRECAUTIONS PRECAUTION gt AUTOMATIC AIR CONDITIONING PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT PRE TENSIONER INFOID 0000000005905850 The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE TENSIONER used along with a front seat belt helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision This system includes seat belt switch inputs and dual stage front air bag modules The SRS system uses the seat belt switches to determine the front air bag deployment and may only deploy one front air bag depending on the severity of a collision and whether the front occupants are belted or unbelted Information necessary to service the system safely is included in the SRS AIR BAG and SEAT BELT of
23. AIR MIX DOOR MOTOR DRIVER SIDE OPERATION 1 Turn ignition switch ON 2 Operate temperature control switch driver side and check by operation sound that air mix door motor driver side operates Is the inspection result normal YES gt gt GOTO8 NO GO TO 2 2 AIR MIX DOOR MOTOR DRIVER SIDE DRIVE SIGNAL Check voltage between air mix door motor LH harness connector and ground T Air mix door motor LH E Condition 1 18 60 gt 32 90 T Ground Set temperature 12V 2 driver side 32 C 90 F 2 18 C 60 F Is the inspection result normal Revision 2010 June HAC 112 2011 M37 M56 2750 B2751 2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING YES gt gt 6 NO gt gt GO TO 3 3 CHECK AIR MIX DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect air mix door motor LH harness connector and A C auto amp harness connector 3 Check continuity between air mix door motor LH harness connector and A C auto amp harness connec tor Air mix door motor LH A C auto amp a Continuity Connector Terminal Connector Terminal 1 81 M315 M304 Existed 2 61 Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 CHECK AIR MIX DOOR MOTOR DRIVER SIDE DRIVE
24. MODE DOOR MOTOR DRIVER SIDE PBR POWER SUPPLY 1 Reconnect A C auto amp harness connector 2 Turn ignition switch ON 3 Check voltage between mode door motor LH harness connector and ground Mode door motor LH Voltage Approx Connector Terminal M316 with Forest Air 4 Ground 5V M317 without Forest Air 5 Is the inspection result normal YES gt gt 13 NO GO TO 12 1 2 cHECK MODE DOOR MOTOR DRIVER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN Revision 2010 June HAC 124 2011 M37 M56 B2756 2757 2758 MODE DOOR MOTOR DRIVER SIDE lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp 2 Continuity Connector Terminal Connector Terminal M316 with Forest Air 4 M317 without Forest 5 M304 71 Existed Air Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 1 3 CHECK MODE DOOR MOTOR DRIVER SIDE PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp 212 Continuity Connector Terminal Connector Terminal M316
25. MODE switch Driver side Air outlet can be changes from VENT B L FOOT D F VENT each time this switch is pressed NOTE Air outlet can be changed when air conditioning system is in the OFF position Automatic air outlet control is released is not displayed when this switch is pressed while air conditioning system is in automatic control is displayed MODE switch Passenger side The system is set to LH RH independent status DUAL displays by operating this switch Air out let of passenger side can be changed without changing air outlet of driver side Air outlet can be changes from VENT B L FOOT VENT each time this switch is pressed NOTE Air outlet can be changed when air conditioning system is in the OFF position Automatic air outlet control is released is not displayed when this switch is pressed while air conditioning system is in automatic control AUTO is displayed When DEF mode is ON MODE switch passenger side is inoperative OFF switch Revision 2010 June When this switch is pressed air conditioning system turns OFF When air conditioning system turns OFF air inlet and air outlet become the following status Air inlet Automatic control Air outlet FOOT HAC 40 2011 37 56 OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Switch name Function Setting temperature is
26. Mode door motor Driver side Refer to HAC 17 assembly side Mode door motor Passenger Refer to HAC 17 Rear mode door motor Refer to HAC 18 Upper ventilator door motor Driver side Refer to HAC 18 Upper ventilator door motor Passenger side Refer to HAC 18 Ambient sensor Ambient sensor measures ambient air temperature This sensor uses ther mistor that decreases electrical resistance as temperature increases control unit AN control unit transmits A C switch operation signal to A C auto amp via CAN communication line A C auto amp A C auto amp controls air conditioning system by inputting and calculating signals from each sensor and each switch A C auto amp has self diagno sis function Diagnosis of air conditioning system can be performed quickly BCM BCM transmits key ID signal to A C auto amp via CAN communication line Displ Display indicates operation status of air conditioning system Display has sp ay touch panel function that can be used to control air conditioning system ECM ECM controls compressor according to status of engine and refrigerant Engine coolant temperature sensor Engine coolant temperature sensor measures engine coolant temperature This sensor uses thermistor that decreases electrical resistance as temper ature increases In vehicle sensor In vehicle sensor measures temperature of intake air through aspirator
27. YES gt GOTO 00 NO gt gt GO TO 12 1 2 CHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between upper ventilator door motor RH harness connector and A C auto amp harness connector Upper ventilator door motor RH A C auto amp Continuity Connector Terminal Connector Terminal M311 5 M304 71 Existed Is the inspection result normal YES gt gt 15 gt gt Repair harness or connector 1 3 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR GROUND CIRCUIT Turn ignition switch OFF 1 2 Disconnect A C auto amp connector 3 Check continuity between upper ventilator door motor RH harness connector and A C auto amp harness connector Upper ventilator door motor RH A C auto amp 5 Continuity Connector Terminal Connector Terminal M311 4 M304 79 Existed Is the inspection result normal YES gt gt GOTO 14 NO gt gt Repair harness or connector 1 4 cHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR Check upper ventilator door motor passenger side PBR Refer to HAC 156 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 15 NO gt gt Replace upper ventilator door motor passenger side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI
28. 17 o o eaw jo HN Md80Hl 9041 Wood STINGOW 1 1N39FTT3ND wen 40399uuo zleslelzisiz 2 e 94M JO uoneogroeds owe jeusis jeunuae 96 56 se 22 1 6822 wounsmueta WALSAS SNINOLLIQNOO UIV OILVINO LOV JCIWA0486GB 2011 M37 M56 HAC 68 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt 94IM JO 4009 uoneoylosdg WOSS3HdWOO o z uoneouioeds owen jeusig TOO 55 21309 OA YM YA ouu DA YA eusus DA us X M 5 T3 7 sursue DA po HS OA ui DA ur 8 MA uil uiuo OA T S il e a Surius DA gt Surius DA s
29. 18 6 NYO OL Gou Qu Qus Go lt gt Qu s Qu oe 156104 ino JO 188103 YUM YA WIM OA sseuJeH uMOUS JOU SI SIUL g oer foer m mm A 2011 M37 M56 HAC 67 Revision 2010 June AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt 5 c aM jeune uoneoyroedg owen jeusis 8 2054 401euuo5 YOSNAS LN3IBAV 9 3 4e12euuoo 1 4 J 1ULss 1nanossev jo S SOV SOV 5 exwjo uoneoyloedg eue jeusig eos SO MGDISN 9199090 5 sator SVD 1 UYOSNAS 53 INVH3OIHJ3H 2 3 Z3 1 ale 8 S SIS 9 c ex eusus DA YA UM o DA YA YUM 4 8 ajeje eawjo uoneo owen jeusig aes 92HS 8SH 8N9EVVS ed A
30. DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC 01010 HAC 95 DTC Logic If All of door motors DTC B2750 276 are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items ui DTC CONSULT III screen terms DTC detection condition Possible cause Mode door motor driver side PBR feedback Mode door motor driver side signal voltage is too low Mode door motor driver side con Mode door motor driver side PBR feedback trol linkage installation condition signal voltage is too high A C auto amp e Harness or connectors Stop position of mode door motor driver side is The motor circuit is open or short malfunctioning ed B2756 B2757 DR MODE DOOR MOTOR B2758 DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE CONSULT III 1 ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES Refer to HAC 122 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure InFo10 0000000005905728
31. Door motor drive signal Mode door motor switch Driver side Multifunction switch operation signal Door motor feedback signal A C display signal Door motor drive signal Mode door motor Passenger side Door motor feedback signal Ambient sensor Door motor drive signal Air mix door motor Lee Driver side Door motor feedback signal In vehicle sensor Door motor drive signal Air mix door motor Intake a Passenger side Door motor feedback signal sensor Door motor drive signal Rear mode door motor Door motor feedback signal Door motor drive signal Intake door a motor Door motor feedback signal Key ID signal Power transistor Blower motor Combination a O O 7 meter Vehicle speed signal A C ON Engine coolant signal temperature signal Blower fan ON signal Refrigerant pressure IPDW E R sensor compressor feedback signal Cooling Cooling Engine coolant ad fan module motor temperature sensor request signal SEND Cooling fan Wi speed request P Communication line sual Can communication line JMIIA0768GB AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR System De scription INFOID 0000000006113223 Automatic air conditioning system is controlled by each function of A C auto amp ECM IPDM E R
32. HN MAOPHL ed 203290000 SS3NHVH God 2 2 4 5 __ 15 ejz bd bes colors Be Bl bea bse e lr ees 4295 eyeui o ______ _________ _______ 6 Tees qi 22 eos 51 uw __ _ ___ ____ _____ _ ee pw Lee occ 80 Pee 9cc e _ 22 _____ _ E 22 A epu JO ON JO ON 94M JO ON uoneoyioeds jeusis NAT uoneoyroedg jeusis Joa exiis uoneoyioedg jeusis EE 22620222 sjo 0 ed4 0 HN MdOPHI 4032euuop cov ON SSdNHVH God SS3NHVH 92 SS3NHVH 804 uoneoyjoods awen jeudi WALSAS ONINOLLIQNOO OILVIWO LOV 2011 M37 M56 HAC 72 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING 330 NO NOI v 0o 8 NOI 94IM JO ON uoneoyioads owen jeusis FRCMGPOHI
33. Passenger side Door motor feedback signal Inside odor detecting sensor Door motor drive signal Intake door motor Door motor feedback signal Door motor drive signal Humidity a 9 Aroma motor sensor Door motor feedback signal E Power transistor E Blower motor Key ID signal lonizer ON signal IPDW E R Compressor Magnet clutch compressor request signal Communication line Can communication line JMIIA0769GB FOREST AIR SYSTEM System Description INFOID O000000005905655 Forest Air system controls passenger room air It maintains the cleanliness of the passenger room air using a in cabin microfilter and a combination of each of the following functions Passenger room air is also con Revision 2010 June 35 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING trolled for dehumidification air flow fragrance and others for providing comfortable space in the passenger room NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corporation HAC 36 FOREST AIR SYSTEM Air Flow Control Inside Odor Detecting Mechanism HAC 36 FOREST AIR SYSTEM Aroma Diffuser Control HAC 37 FOREST AIR SYSTEM Automatic Defogging Control HAC 37 FOREST AIR SYSTEM
34. SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING n t ro INFOID 0000000006113226 While air outlet is in automatic control A C auto amp selects the mode door position depending on a target air mix door angle Hot Cold Target air mix door opening angle JMIIA0795GB AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Compressor Co n t ro INFOID 0000000006113227 DESCRIPTION When the compressor activation condition is satisfied while blower motor is activated A C auto amp trans mits A C ON signal and blower fan ON signal to ECM via CAN communication ECM judges that the compressor can be activated depending on each sensors state refrigerant pressure sensor signal throttle position sensor signal and others And transmits air conditioner relay control signal to IPDM E R via CAN communication IPDM E R turns air conditioner relay ON and activates the compressor depending on request from ECM COMPRESSOR PROTECTION CONTROL AT PRESSURE MALFUNCTION When high pressure side value that is detected by refrigerant pressure sensor is as per the following state requests IPDM E R to turn air conditioner relay OFF and stops the compressor 3 12 MPa 31 20 bar 31 8 kg cm 452 psi or more When the engine speed is less than 1 500 rpm 2 74 MPa 27 40 bar 27 9 kg cm 397 psi or more When the engine speed is 1 500 rpm or more 0 12 MPa 1 20 bar 1 2 kg cm 17 psi or less LOW TEMPERATURE
35. w a oo VENT B L mode Except VENT sunload Lo B L mode COLD HOT Target air mix door opening angle JMIIA0794GB m o gt 2 c E c S z z n LOW COOLANT TEMPERATURE STARTING CONTROL A C auto amp does not operate bower motor when engine coolant temperature is approximately 37 C 99 F or less for preventing a cold discharged air flow After this gate voltage applied to power transistor gradually and blower motor operates FAN SPEED CONTROL AT DOOR MOTOR OPERATION When mode door motor is activated while air flow is more than the specified value A C auto amp reduces temporarily fan speed so that mode door moves smoothly HAC FAN SPEED CONTROL AT VOICE RECOGNITION When the voice control voice command switch is operated during air flow automatic control A C auto amp decreases the air flow of the blower motor once and controls the air flow so as not to disturb the voice recogni tion function This control continues while voice recognition function is operating AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Inlet Control INFOID 0000000005905655 Intake door automatic control selects FRE 20 80 FRE or REC depending on a target air mix door opening angle Fresh rate 96 RECIRCURATION c gt Cold Target air mix door opening angle Hot JMIIA0770GB Revision 2010 June HAC 21 2011 M37 M56 SYSTEM SYSTEM DES
36. 16 AUTOMATIC AIR CONDITIONING SYSTEM BLOWER UNIT Intake Door Motor 16 2 WITH FOREST AIR Door Control 22 BLOWER UNIT Power Transistor 16 AUTOMATIC AIR CONDITIONING SYSTEM HEATER amp COOLING UNIT ASSEMBLY 17 WITH FOREST AIR Temperature Control 25 Revision 2010 June HAC 1 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Intelligent Key Interlock F nicllori zi eto es need AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Fail safe AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR System Diagram AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR System Description AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Flow Control AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Inlet Control AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Outlet Control AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Compressor Control AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Door Control AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Temperature Control 33 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Intelligent Key Inter lock Function AUTO
37. 2 gt 2 2 gt o 7 7 7 a AUTO switch ON u AUTO AUTO VENT R J G B L wt P T J H see switch Driver DUAL OFF side FOOT Jj Q U D F wy Q T L VENT R J B L XJ P T J switch Driver DUAL ON side FOOT 4 ul K D F wy Q T L VENT Oo rH CMM DUARON Bi age es H senger side FOOT 4 L DEF switch OFF E Upper Vent er Ven OFF N B Intake switch x A 18 C 60 F S C E Temperature control 18 5 C 31 5 C switch Driver side DUAL OFF 61 F 89 F n AUTO 32 C 90 F D F 18 C 60 F S Temperature control 18 5 C 31 5 C E AU m switch Driver side 61 F 89 F TO 32 C 90 F DUAL 18 C 60 F 5 Temperature control 18 5 C 31 5 C switch Passenger 61 F 89 F AUTO side 32 C 90 F D F OFF switch OFF Q U K Inlet status is displayed by indicator when activating automatic control Revision 2010 June HAC 24 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING AIR DISTRIBUTION Discharge air flow Air outlet distribution Mode Condition position Front DEF Upper Rear Front
38. 2754 B2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS YES gt gt GOTO6 NO gt gt GO TO 3 AUTOMATIC AIR CONDITIONING 3 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect air mix door motor RH harness connector and A C auto amp harness connector 3 Check continuity between air mix door motor RH harness connector and A C auto amp harness connec tor Air mix door motor RH A C auto amp Continuity Connector Terminal Connector Terminal 1 67 M306 M304 Existed 2 87 Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between air mix door motor RH harness connector and ground Air mix door motor RH Continuity Connector Terminal 1 M306 Ground Not existed Is the inspection result normal YES gt gt GOTOS5S NO Repair harness or connector 5 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between air mix door motor RH harness connector and ground n Air mix door motor RH Voltage Approx Connector Terminal 1 M315 5 Ground OV Is the inspection result normal YES gt gt GOTO15 NO gt gt Repair harness or connector
39. Automatic Intake Control Exhaust Gas Outside Odor Detecting Mech anism HAC 37 FOREST AIR SYSTEM Breezy Air Control HAC 38 FOREST AIR SYSTEM Plasmacluster Control Setting of Forest Air system can be memorized for each Intelligent Key Refer to HAC 38 FOREST AIR SYSTEM Intelligent Key Interlock Function Forest Air setting menu is displayed on screen that can operate and adjust Forest Air system aroma dif fuser control automatic defogging control automatic intake control exhaust gas outside odor detecting mechanism and breezy air Forest Air Info menu is displayed on screen that can be used to check operation status of Forest Air sys tem visually Various operations of Forest Air system are transmitted from multifunction switch and display to AV control unit via communication line except display and from AV control unit to A C auto amp via CAN communica tion A C auto amp sends each indication information to AV control unit via CAN communication AV control unit displays each indication information that is received FOREST AIR SYSTEM Air Flow Control Inside Odor Detecting Mechanism INFOID 0000000005905667 DESCRIPTION Inside odor detecting sensor detects passenger room odor odor of cigarettes foods and other objects in air flow through aspirator Odor when it is detected is removed quickly by slightly increasing air flow and by facil itating supply amount of Plasmacluster ions to pa
40. CHECK AROMA DIFFUSER CONTROL AROMA MOTOR OPERATION 1 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between ON and OFF Revision 2010 June HAC 87 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING 2 Perform this operation for 2 sets Check by operation sound that aroma motor operates NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned OFF once and then is turned ON again Operation direction of motor is switched by turning it ON again after turning it OFF Leaf scent lt Fragrant wood Is the inspection result normal YES gt gt GO TO 12 NO Aroma motor system malfunction Refer to HAC 157 Diagnosis Procedure 12 cHECK AROMA DIFFUSER CONTROL FRAGRANCE 1 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between ON and OFF 2 Perform this operation for 2 sets Check by fragrance that 2 kinds of aroma are diffused alternately NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned OFF once and then is turned ON again Operation direction of motor is switched by turning it ON again after turning it OFF Leaf scent lt gt Fragrant wood Is the inspection result normal YES gt gt GO TO 13 NO gt gt Replace aroma cartridge Refer to HAC 201 Removal and Installation 1 3 CHECK ARO
41. Connector Terminal Connector Terminal M98 1 M1 2A Existed Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK IONIZER POWER SUPPLY CIRCUIT FOR SHORT 1 Disconnect A C auto amp connector compressor connector and inside odor detecting sensor connector 2 Check continuity between ionizer harness connector and ground Continuity Revision 2010 June HAC 183 2011 M37 M56 IONIZER DTC CIRCUIT DIAGNOSIS lonizer Continuity Connector Terminal M98 1 Ground Not existed Is the inspection result normal AUTOMATIC AIR CONDITIONING YES gt gt Check ignition power supply circuit Refer to PG 84 Wiring Diagram IGNITION POWER SUP PLY NO Repair harness or connector 5 CHECK IONIZER GROUND CIRCUIT 1 Turn ignition switch OFF 2 Check continuity between ionizer harness connector and ground lonizer Continuity Connector Terminal M98 3 Ground Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 cHECK IONIZER ON OFF CONTROL SIGNAL 1 connector 2 Disconnect A C auto amp connector 3 Turn ignition switch ON 4 Check voltage between A C auto amp harness connector and ground T A C auto amp Voltage Connector Terminal M67 42 Ground Battery voltage Is the inspection result normal YES gt
42. Upper Vent ON gt OFF 12V Ignition switch ON Upper Vent OFF2ON HAC 59 OV 2011 M37 M56 lt ECU DIAGNOSIS INFORMATION gt A C AUTO AMP AUTOMATIC AIR CONDITIONING Terminal No Description Wire dolor Reference value Condition A Signal name Input TONS 9 Output Ignition switch ON 12V 662 Upper ventilator door motor Upper Vent ONSOFF Ground Output BR B CLOSE drive signal e Ignition switch ON Upper Vent OFF2ON Ignition switch ON Set temperature 18 C 12V 60 gt 32 90 F 5 DUAL OFF 67 Ground Air mix door motor passen Output LG ger side HOT drive signal Ignition switch ON Set temperature 32 90 gt 18 60 F DUAL OFF gnition switch ON Air outlet DEF VENT 12V DUAL OFF 68 Ground Rear mode door motor VENT Output R W drive signal Ignition switch ON Air outlet VENT DEF OV DUAL OFF A Ground Bach door motor PER power Output Ignition switch ON 5V R supply Ignition switch ON Air outlet VENT 4 0 V DUAL OFF 73 Gianna Mode door motor passenger Input SB side PBR feedback signal Ignition switch ON Air outlet DEF 1 0V DUAL OFF Ignition switch ON Settemperature 18 60 F 4 0V 74 Air mix door motor driver DUAL OFF Ground _ Input L side PBR feedback signa
43. and others of air conditioning system to memory for each Key ID Readout 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns ON A C auto amp operates automatically air conditioning system according to setting information of Key ID that is received NOTE When Intelligent Key interlock function operates Connection with the key has been done is displayed AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Fail safe INFOID 0000000005905920 FAIL SAFE FUNCTION When a communication malfunction between A C auto amp and AV control unit and multifunction switch con tinued for approximately 30 seconds or more control the air conditioning under the following conditions Compressor ON Air outlet AUTO Air inlet FRE Fresh air intake Fan speed AUTO Set temperature Setting before communication malfunction AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR System Dia Revision 2010 June HAC 26 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING m INFOID 0000000006113222 Door motor drive signal Upper ventilator 1 operation signal Display MG SHIEH AV C U Voice recognition door motor operation signal signal Door motor feedback signal A C display SIEHE signal display signal
44. gt GO TO 10 NO gt gt GO TO 7 T CHECK IONIZER ON OFF CONTROL SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect ionizer connector 3 Check continuity between A C auto amp harness connector and ionizer harness connector A C auto amp lonizer Connector Terminal Connector Terminal Continuity M67 42 M98 4 Existed Is the inspection result normal YES gt gt GOTO8 NO Repair harness or connector 8 cHECK IONIZER ON OFF CONTROL SIGNAL CIRCUIT FOR SHORT Check continuity between A C auto amp harness connector and ground A C auto amp Continuity Terminal Revision 2010 June HAC 184 Connector Not existed 2011 M37 M56 IONIZER lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING YES gt gt GOTOS9 NO gt gt Repair harness or connector REPLACE IONIZER Replace ionizer Refer to HAC 213 Removal and Installation Is the inspection result normal YES gt gt INSPECTION END NO gt gt GO TO 10 1 INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO Repair or replace malfunctioning parts Revision 2010 June HAC 185 2011 M37 M56 lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING MAGNET CLUTCH Component Functi
45. gt GOTO 10 NO gt gt Repair harness or connector 1 REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between rear mode door motor harness connector and ground Rear mode door motor uu Continuity Connector Terminal M318 3 Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 cHECK REAR MODE DOOR MOTOR PBR POWER SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between rear mode door motor harness connector and ground HAC 149 Revision 2010 June 2011 M37 M56 B2762 B2763 2764 REAR MODE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Rear mode door motor Voltage Approx Connector Terminal M318 5 Ground 5V Is the inspection result normal YES gt gt GOTO13 NO gt gt GO TO 12 1 2 cHECK REAR MODE DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between rear mode door motor harness connector and A C auto amp harness connec tor Rear mode door motor A C auto amp 2 Continuity Connector Terminal Connector Terminal M318 5 M304 71 Existed Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 1 3 CHECK REAR MODE DOOR MOTOR PBR GROUND CIRCUIT 1 Turn ignition sw
46. 1 Remove heater amp cooling unit assembly Refer to HA 45 HEATER amp COOLING UNIT ASSEMBLY Removal and Installation 2 Remove mounting screws and then remove intake door motor 3 Disconnect intake door motor connector INSTALLATION Note the following items Install in the reverse order of removal CAUTION Replace O ring with new ones Then apply compressor oil to them when installing Female side piping connection is thin and easy to deform Slowly insert the male side piping straight in axial direction Insert piping securely until a clicks is heard After piping connection is completed pull male side piping by hand to make sure that connection does not come loose Check for leakages when recharging refrigerant Refer to HA 19 Leak Test Revision 2010 June HAC 210 2011 M37 M56 DOOR MOTOR REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING NOTE Refer to CO 9 Refilling VQ37VHR or CO 34 Refilling VK56VD when filling radiator with engine coolant UPPER VENTILATOR DOOR MOTOR UPPER VENTILATOR DOOR MOTOR Removal and Installation INFOID 0000000005905798 REMOVAL 1 Remove heater amp cooling unit assembly Refer to HA 45 HEATER amp COOLING UNIT ASSEMBLY Removal and Installation 2 Remove mounting screws and then remove upper ventilator door motor 3 Disconnect upper ventilator door motor connector INSTALLATION Note the following items install in the reverse
47. 1019euuoo dv OLNV O V 14085 MS 103136 300W FAG AT 9 15 103135 3dow SAG sz 9 WNDIS TOMINOO HolsISNVuLu3MOd 3 1 IVNSIS 8 3 YOLOW H3MOT8 9 AlddNS H3MOd NOLLINDI H3MOd AYALLVE uoneoyroedg jeusis 981 402 1 adh OLNV IVNSIS JAQON TVONVIA 7 15 LAHS IAOW TVnNVIN IVNSIS NMOQ LAIHS IAOW IVNDIS IAOW 5 11138 1V3S H3ON3SSVd m 5 B 5 8g 2 x 5 5 u 5 S a m lt a L wlolrjolo ca ba ka ka Ga 5 HOSN3S 13 31 1804 dN L3IHS H313IHS J10AYd NMOG IIHS H31JIHS 3 1 dvd ze HO LIMS T3JA3183HSVM 62 _______ sz HOLIMS 73437 01075 SVS 12 IVNDIS HOLIMS 8 8 ONDE HOLVNH3LTV HOSN3S 13 31 184 ve _______ 868 wvsovauv Jafo _______ 3 1 v _______ 8 TYN IS 5 13534 4141 En 7 2 TWNDIS HOLIMS 1OHINOO 45 5 HOLIMS Tod1NOO 6 IVNDIS HOLIMS 103135 IVNDIS HOLIMS H31N3 ANNONO HOLIMS 1081 00 YILIN IVNDSIS TOHINOO NOLLYNINN T TI 3S 1 8 TVNDIS 09345 3101H3A
48. 196 Diagnosis Procedure 8 cHECK TEMPERATURE INCREASE 1 Turn temperature control switch to raise temperature setting at 32 C 90 F 2 Checkthat warm air blows from outlets Is the inspection result normal YES gt gt 9 NO Insufficient heating Refer to HAC 197 Diagnosis Procedure CHECK AUTO MODE 1 Press AUTO switch to confirm that AUTO is indicated on the display 2 Operate the temperature control switch to check that the fan speed or air outlet changes the air flow tem perature or fan speed varies depending on the ambient temperature in vehicle temperature and set tem perature Is the inspection result normal YES gt gt 10 NO gt gt Refer to HAC 187 Symptom Table and perform the appropriate diagnosis 1 O cHECK MEMORY FUNCTION Set temperature control switch to 32 0 C 90 F Press the OFF switch Turn ignition switch OFF Turn ignition switch ON Press AUTO switch Check that the set temperature is maintained Is the inspection result normal YES gt gt GOTO 11 NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation 11 INTELLIGENT KEY INTERLOCK FUNCTION Operate fan switch Set fan speed to 1st speed Turn ignition switch OFF Lock door using Intelligent Key or driver door request switch Switch to another Intelligent Key and unlock door using Intelligent Key or driver door request switch Turn ignition switch ON Opera
49. 3251 2 03395 310IH3A WNDIS og c 5 H3MOd 11 8 1 saw jo feug 72 FH N uoneoyioeds jeusis MW3l3A NOLLVNIBINOO WALSAS SNINOLLIQNOO IV OILVINO LOV JCIWA0491GB 2011 M37 M56 HAC 73 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt DIS rons ON Jeunes UYOLSISNVYL H3MOd M 2 5 o 94M Jo 203064009 3MIM OL 3HIM 4032euuo uoneoyioeds euew jeusis M4AZOVNS YOLOW H3MO g ON _______ 5359137535909 YAN zu ______ Po Na eo Po d je 53941 4 539 ZOOAV og D E SR so 001 zSdv QN5 001 25 vor _______ 1 s pos cosy ss oy _______ ____ 9 2 8 4 828 ESI e vt 43 06 SZ EZ 22 02
50. AIR MIX DOOR MOTOR PASSENGER SIDE Check air mix door motor passenger side Refer to HAC 120 Component Inspection Motor Is the inspection result normal YES gt gt NO gt gt Replace air mix door motor passenger side Refer to 210 AIR MIX DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF AIR MIX DOOR MOTOR PASSENGER SIDE CONTROL LINKAGE Check air mix door motor passenger side control linkage is properly installed Refer to HAC 209 Exploded View Is the inspection result normal YES gt gt GO TO 15 HAC 118 Revision 2010 June 2011 M37 M56 B2753 B2754 B2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING NO Repair or replace malfunctioning parts 8 cHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL Operate temperature control switch passenger side and check by voltage between A C auto amp harness connector and ground auto Amp Condition Voltage Approx Connector Terminal 18 C 60 F 4V M304 74 Godna Set temperature 60 F passenger side 32 C 90 F Is the inspection result normal YES gt 60170 15 NO GO TO 9 O cHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect air mix door motor RH harness connector and A C auto amp harness connector 3 Check continuity between air mi
51. Evaporator fin temperature value calculated by A C auto amp ENG COOL TEMP C Engine coolant temperature signal value received from ECM CAN communication Sunload value driver side converted from sunload sensor signal driver side received BR SUNLOAD SEN from sunload sensor Sunload value passenger side converted from sunload sensor signal passenger side 2 PASS SUNLOADSEN w m received from sunload sensor DR SUNL SEN CAL w m Sunload value driver side calculated by A C auto amp PASS SUNL SEN CAL w m Sunload value passenger side calculated by A C auto amp COMP ECV DUTY Duty ratio of ECV electrical control valve judged by A C auto amp BLOWER MOT VOLT Gate voltage to power transistor that is judged by A C auto amp VEHICLE SPEED Tua Vehicle speed signal value received from combination meter via CAN communication Relative humidity that is lue from humidity sen RELATIVE HUMIDITY 96 oa umidity that is judged by A C auto amp according to value from humidity sen x Air temperature around humidity sensor that is judged by A C auto amp according to AIR TEMP C value from humidity sensor Dew point temperature that is judged by auto amp according to value from humidit DEW POINT TEMP POTERE T GLASS TEMP C Glass temperature value that is converted from glass temperature sensor signal re ceived from glass temperature sensor of humidity sensor portion
52. HAC 158 2011 M37 M56 2768 B2769 276 AROMA MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING YES gt gt GOTO 14 NO gt gt Replace aroma motor Refer to 214 Removal and Installation T CHECK AROMA MOTOR PBR FEEDBACK SIGNAL 1 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between ON OFF 2 Check voltage between A C auto amp connector and ground when this operation is performed for 2 sets NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned off once and then is turned ON again Operation direction of motor is switched by turning in ON again after turning it off Leaf scent lt gt Fragrant wood A C auto amp S Condition Voltage Approx Connector Terminal i Fragrant wood 4V M304 52 Ground Aroma 2 Leaf scent 1V Is the inspection result normal YES gt gt GOTO 14 NO gt gt GO TO 8 8 cHECK AROMA MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect aroma motor connector 4 Check continuity between aroma motor harness connector and A C auto amp harness connector Aroma motor A C auto amp Continuity Connector Terminal Connector Terminal M305 2 M304 52 Existed Is the inspection result normal YES gt gt 9 NO Repair harness or connecto
53. Is the inspection result normal Revision 2010 June HAC 152 2011 M37 M56 2765 2766 2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES gt gt 6 NO gt gt GO TO 3 3 CHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door motor RH connector 4 Check continuity between upper ventilator door motor RH harness connector and A C auto amp harness connector Upper ventilator door motor RH A C auto amp m Continuity Connector Terminal Connector Terminal 1 60 M311 304 Existed 2 80 Is the inspection result normal YES gt gt GOTO4 NO Repair harness or connector 4 CHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between upper ventilator door motor RH harness connector and ground Upper ventilator door motor RH Continuity Connector Terminal 1 M311 gt Ground Not existed Is the inspection result normal YES gt gt 5 NO Repair harness or connector UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR TERY SHORT 1 Turn ignition switch ON 2 Check voltage between upper ventilator door motor RH harness connector and ground n Upper ventil
54. LAN 35 CAN COMMUNICATION SYSTEM CAN Communication Signal Chart for details of the communication signal DTC Log INFOID 0000000005905697 DTC DETECTION LOGIC Items DTC CONSULT III screen DTC detection condition Possible cause terms CAN COMM CIR When A C auto amp is not transmitting or receiving CAN o CUIT communication signal for 2 or more seconds CAN communication system DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE HWith CONSULT III 1 Turn ignition switch ON and wait at least 2 seconds or more 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 94 Diagnosis Procedure NO gt gt Refer to 38 Intermittent Incident Diagnosis Procedure INFOID 0000000006138411 1 CHECK CAN COMMUNICATION SYSTEM Check CAN communication system Refer to LAN 25 Trouble Diagnosis Flow Chart gt gt INSPECTION END Revision 2010 June HAC 94 2011 M37 M56 01010 CONTROL UNIT lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING U1010 CONTROL UNIT CAN Descri pt ion INFOID 0000000005905698 Initial diagnosis of A C auto amp DTC Log INFOID 0000000005905699 DTC DETECTION LOGIC Items DTC CONSULT III screen terms DTC detection condition Possible cause U1010 CONTROL UNIT CAN When detecting error during the initial diagnosis of CAN controller of
55. MOTOR HAC 157 DTC Logic B276B HUMIDITY SENSOR HAC 162 DTC Logic B276C HUMIDITY SENSOR HAC 162 DTC Logic 82760 HUMIDITY SENSOR HAC 162 DTC Logic 1 With Forest Air 2 This item indicates the exhaust gas outside odor detecting sensor 8 For models without Forest Air upper ventilator door motor is indicates 4 Perform self diagnosis under sunshine When performing indoors aim a light more than 60 W at sunload sensor otherwise self diagnosis indicates even though the sunload sensor is functioning normally NOTE If all of door motors DTC B2750 276 are detected check door motor PBR circuit With Forest Air Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure f all of door motors DTC B2750 B2764 are detected check door motor PBR circuit Without Forest Air Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure Revision 2010 June HAC 63 2011 M37 M56 IPDM E R lt ECU DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING ECM IPDM E R List of ECU Reference INFOID 0000000005905679 ECU Reference EC 83 Reference Value EC 99 Fail safe VQ37VHR EC 101 DTC Inspection Priority Chart EC 102 DTC Index ECM EC 611 Reference Value EC 634 Fail safe VK56VD EC 637 DTC Inspection Priority Chart EC 639 DTC Index PCS 16 Reference Value IPDM E R PCS 23 Fail safe
56. MULTIFUNCTION SWITCH lt REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING REMOVAL AND INSTALLATION MULTIFUNCTION SWITCH Re m oval a nd n stal lat n INFOID 0000000005905780 REMOVAL Refer to AV 131 Removal and Installation BASE AUDIO WITHOUT NAVIGATION or AV 313 Removal and Installation BOSE AUDIO WITH NAVIGATION INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 200 2011 M37 M56 REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING A C AUTO AMP Exploded View INFOID 0000000005905782 Refer to VTL 16 Exploded View Removal and Installation INFOID 0000000005905783 REMOVAL CAUTION Before replacing A C auto amp perform READ CONFIGURATION to save or print current vehicle specification Refer to HAC 89 Description 1 Remove glove box Refer to 13 Removal and Installation 2 Remove screws and then remove A C auto amp INSTALLATION Install in the reverse order of removal CAUTION Be sure to perform WRITE CONFIGRATION when replacing A C auto amp Refer to HAC 89 Work Procedure Revision 2010 June HAC 201 2011 M37 M56 AMBIENT SENSOR REMOVAL AND INSTALLATION AUTOMATIC AIR CONDITIONING AMBIENT SENSOR Removal and Installation INFOID 0000000005905784 REMOVAL 1 Remove air duct Refer to EM 29 Removal and Installation VQ37VHR or EM 184 Removal and Installation VK50VD
57. NO gt gt Repair harness or connector 12 HUMIDITY SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between humidity sensor harness connector and A C auto amp harness connector HAC 164 Revision 2010 June 2011 M37 M56 B276B B276C B276D HUMIDITY SENSOR DTC CIRCUIT DIAGNOSIS gt Humidity sensor A C auto amp Connector Terminal Connector Terminal AUTOMATIC AIR CONDITIONING Continuity R6 1 Is the inspection result normal YES gt gt 13 M66 NO Repair harness or connector 1 3 CHECK HUMIDITY SENSOR COMMUNICATION SIGNAL CIRCUIT FOR OPEN 22 Existed Check continuity between humidity sensor harness connector and A C auto amp harness connector Humidity sensor A C auto amp mE Continuity Connector Terminal Connector Terminal 2 20 R6 M66 Existed 4 21 Is the inspection result normal YES gt gt 14 NO Repair harness or connector 1 4 REPLACE HUMIDITY SENSOR Replace humidity sensor Refer to HAC 205 Removal and Installation Is the inspection result normal YES gt gt END NO GO TO 15 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction
58. ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 96 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID 0000000006905701 1 IN VEHICLE SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect in vehicle sensor connector 3 Turn ignition switch ON 4 Check voltage between in vehicle sensor harness connector and ground Voltage In vehicle sensor 185 1 Ground 5V Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 CHECK IN VEHCLE SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between in vehicle sensor harness connector and A C auto amp harness connector In vehicle sensor A C auto amp Continuity Connector Terminal Connector Terminal M185 1 M67 32 Existed Is the inspection result normal Revision 2010 June HAC 96 2011 M37 M56 B2578 B2579 IN VEHICLE SENSOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING YES gt gt GOTO3 NO Repair harness or connector 3 CHECK IN VEHCLE SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between in vehicle sensor harness connector and ground In vehicle sensor 5222 Continuity Connector Terminal M185 1
59. Procedure Compressor does not operate The circuit between magnet clutch and IPDM E R Magnet clutch IPDM E R A C relay The circuit between ECM and refrig erant pressure sensor Refrigerant pressure sensor CAN communication circuit A C auto amp HAC 194 Diagnosis Procedure Insufficient cooling No cool air comes out Air flow volume is normal Magnet clutch control system Drive belt slipping Cooler cycle ECV electrical control valve Air leakage from each duct Temperature setting trimmer HAC 196 Diagnosis Procedure Insufficient heating No warm air comes out Air flow volume is nor mal Engine cooling system Heater hose Heater core Air leakage from each duct Temperature setting trimmer HAC 197 Diagnosis Procedure Noise is heard when the A C system operates During compressor operation Cooler cycle 30 Symptom Table During blower motor operation Mixing any foreign object in blower motor Blower motor fan breakage Blower motor rotation inferiority HAC 176 Component Inspection Blower Motor Memory function does not operate Setting temperature is not memorized A C auto amp Replace A C auto amp Refer to HAC 201 Removal and Installa tion Intelligent Key interlock function does not operate Revision 2010 June Door lock system CAN communication
60. Refer to HAC 150 Component Inspection Motor Is the inspection result normal Revision 2010 June HAC 148 2011 M37 M56 B2762 B2763 2764 REAR MODE DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING YES gt gt GOTO7 NO gt gt Replace rear mode door motor Refer to 211 REAR MODE DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF REAR MODE DOOR MOTOR Check rear mode door motor is properly installed Refer to HAC 209 Exploded View Is the inspection result normal YES gt GO TO 15 NO Repair or replace malfunctioning parts 8 cHECK REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL Check voltage between A C auto amp harness connector and ground when operate MODE switch driver side and DEF switch NOTE DUAL OFF Voltage A C auto amp Condition Approx Connector Terminal VENT 304 Air outlet DEF 1V Is the inspection result normal YES gt gt 15 NO GO TO 9 O cHECK REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN Turn ignition switch OFF 1 2 Disconnect A C auto amp connector 3 Disconnect rear mode door motor connector 4 Check continuity between rear mode door motor harness connector and A C auto amp harness connec tor Rear mode door motor A C auto amp Continuity Connector Terminal Connector Terminal M318 3 M304 58 Existed Is the inspection result normal YES gt
61. Removal and Installation 2 Check that there is not any mixing foreign materials in blower motor Is the inspection result normal YES gt gt 2 NO Remove foreign materials 2 BLOWER MOTOR Check that there is not breakage or damage in blower motor Is the inspection result normal YES gt gt GOTO3 NO gt gt Replace blower motor Refer to VTL 18 BLOWER MOTOR Removal and Installation 3 CHECK BLOWER MOTOR III Check that blower motor turns smoothly Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace blower motor Refer to VTL 18 BLOWER MOTOR Removal and Installation Component Inspection Blower Relay INFOID 0000000005905758 1 BLOWER RELAY 1 Remove blower relay 2 Check continuity between blower relay terminals 3 and 5 when the voltage is supplied between terminals 1 and 2 Terminals Voltage Continuity ON Existed 3 5 OFF Not existed Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace blower relay JSIIA1551ZZ Revision 2010 June HAC 176 2011 M37 M56 ELECTRICAL CONTROL VALVE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING ECV ELECTRICAL CONTROL VALVE Diagnosis Procedure INFOID 0000000005905760 1 ELECTRICAL CONTROL VALVE POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect compressor connector 3 Turn ignition switch ON
62. SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between air mix door motor LH harness connector and ground Air mix door motor LH Continuity Connector Terminal 1 M315 Ground Not existed Is the inspection result normal YES gt gt GOTOS5S NO gt gt Repair harness or connector 5 CHECK AIR MIX DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between air mix door motor LH harness connector and ground Air mix door motor LH Voltage Connector Terminal 1 M315 s Ground OV Is the inspection result normal YES gt gt GOTO 15 NO gt gt Repair harness or connector AIR MIX DOOR MOTOR DRIVER SIDE Check air mix door motor driver side Refer to HAC 115 Component Inspection Motor Is the inspection result normal YES gt gt GOTO7 NO Replace air mix door motor driver side Refer to HAC 210 AIR MIX DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF AIR MIX DOOR MOTOR DRIVER SIDE CONTROL LINKAGE Check air mix door motor driver side control linkage is properly installed Refer to HAC 209 Exploded View Is the inspection result normal YES gt gt GOTO 15 Revision 2010 June HAC 113 2011 M37 M56 2750 B2751 2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING NO Repair or replace malfunctioning p
63. SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between upper ventilator door motor LH harness connector and ground Upper ventilator door motor LH 12 Connector Terminal M313 5 Ground 5V Is the inspection result normal Revision 2010 June HAC 144 2011 M37 M56 B275F B2760 2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES 2GOTO 13 NO gt gt GO TO 12 1 2 CHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between upper ventilator door motor LH harness connector and A C auto amp harness connector Upper ventilator door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M313 5 M304 71 Existed Is the inspection result normal YES gt gt 15 NO gt gt Repair harness or connector 1 3 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR GROUND CIRCUIT Turn ignition switch OFF 1 2 Disconnect A C auto amp connector 3 Check continuity between upper ventilator door motor LH harness connector and A C auto amp harness connector Upper ventilator door motor LH A C auto amp 5 Continuity Connector Terminal Connector Terminal M313 4 M304 79 Existed Is the inspection result normal YES gt gt GOTO 14 NO
64. SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING t n INFOID 0000000005905653 Automatic air conditioning system is controlled by each function of A C auto amp ECM IPDM E R and Control by auto amp HAC 20 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Flow Control HAC 21 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Inlet Control 21 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Inlet Control HAC 22 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Outlet Control HAC 22 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Compressor Control HAC 22 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Door Control HAC 25 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Temperature Control HAC 25 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Intelligent Key Interlock Function Correction for input value of each sensor Ambient sensor setting temperature correction A C auto amp controls passenger room temperature so that the optimum level always matches the temper ature level that passenger may feel Correction is applied to the target temperature that is set using temper ature control dial according to ambient temperature detected by ambient sensor In vehicle sensor setting temperature correction E Passenger room temperature from in vehicle sensor is corrected for each air condi
65. Symptom Corresponding malfunction part Reference Memory function does not operate p A C auto amp HAC 201 Removal and Installa Setting temperature is not memorized tion Door lock system Intelligent Key interlock function does not operate CAN communication circuit HAC 198 Diagnosis Procedure A C auto amp HAC 189 2011 M37 M56 Revision 2010 June AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR SYMPTOM DIAGNOSIS Symptom Table NOTE INFOID 0000000006115696 Perform the self diagnoses with CONSULT III before performing the symptom diagnosis If is detected perform the corresponding diagnosis Symptom Corresponding malfunction part Reference A C system does not activate Power supply and ground circuit of A C auto amp A C auto amp HAC 167 A C AUTO AMP Diag nosis Procedure A C system cannot be controlled Operation status of air conditioning system is not indicated on display The circuit between multifunction switch and AV control unit The circuit between display and AV control unit Multifunction switch Display control unit CAN communication circuit A C auto amp AV 114 Symptom Table without NAVI or AV 288 Symptom Table with NAVI Air outlet of driver side does not change Exc
66. VENT MODE switch DUAL BIL J 4 U K 1 D F wy Q T L R J MODE switch DUAL BL Driver side ON FOOT 4 K D F wy Q T L VENT R G MODE switch DUAL S m m Passenger side ON BE is 4 Q U ON L DEF switch OFF Upper Vent _ er Ven N FRE switch ON e amp 5 switch A 18 C 60 F S C E Temperature DUAL 18 590 31 506 control switch OFF 61 F 89 F AUTO Driver side 32 C 90 F D 18 60 S C Temperature E control switch Me ud AUTO Driver side DUAL 32 C 90 F D ON 18 C 60 F 5 e E Temperature m e control switch 18916 81 m E AUTO 61 F 89 F Passenger side 32 C 90 F D F OFF switch OFF Q U K Inlet status is displayed by indicator when activating automatic control AIR DISTRIBUTION Revision 2010 June HAC 32 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Discharge air flow Air outlet distribution Mode i VENT FOOT i Condition position Front DEF Upper Rear Front Rear Center Side Temperature 18 C 60 F 34 5 34 5 10 0 13 0 8 0 control switch Ot
67. Work support items Display Setting NORMAL Air flow is not slightly increased when odor in passenger room is detected BLOWER MOTOR SETTING initi 2 Air flow is slightly increased when odor passenger room is detected FOREST AIR SYSTEM Aroma Diffuser Presence Setting INFOID O000000005905945 DESCRIPTION Setting change of aroma diffuser presence setting can be performed HOW TO SET With CONSULT III Perform AROMA DIFFUSER SETTING or HVAC work support item Work support items Display Setting WITHOUT Without aroma diffuser WITH With aroma diffuser AROMA DIFFUSER SETTING Revision 2010 June HAC 93 2011 M37 M56 01000 COMM CIRCUIT lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING DTC CIRCUIT DIAGNOSIS U1000 CAN COMM CIRCUIT D e S C r n INFOID 0000000005905696 CAN Controller Area Network is a serial communication line for real time applications It is an on board mul tiplex communication line with high data communication speed and excellent error detection ability A modern vehicle is equipped with many ECMs and each control unit shares information and links with other control units during operation not independent In CAN communication 2 control units are connected with 2 commu nication lines CAN L line and CAN H line allowing a high rate of information transmission with less wiring Each control unit transmits receives data but selectively reads required data only Refer to
68. and Revision 2010 June HAC 27 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Control by A C auto amp HAC 28 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Flow Control HAC 29 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Inlet Control HAC 29 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Inlet Control HAC 29 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Outlet Control HAC 30 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Compressor Control HAC 30 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Door Control HAC 33 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Temperature Control HAC 38 FOREST AIR SYSTEM Intelligent Key Interlock Function Correction for input value of each sensor Ambient sensor setting temperature correction A C auto amp controls passenger room temperature so that the optimum level always matches the temper ature level that passenger may feel Correction is applied to the target temperature that is set using temper ature control dial according to ambient temperature detected by ambient sensor In vehicle sensor setting temperature correction PE Passenger room temperature from in vehicle sensor is corrected for each air conditioning control driver side and passenger side Intake sensor intake temperature correction A C a
69. blows from outlets Is the inspection result normal YES gt gt 9 NO Insufficient heating Refer to HAC 197 Diagnosis Procedure CHECK AUTO MODE 1 Press AUTO switch to confirm that AUTO is indicated on the display 2 Operate the temperature control switch to check that the fan speed or air outlet changes the air flow tem 8 perature or fan speed varies depending on the ambient temperature in vehicle temperature and set tem perature Is the inspection result normal YES gt gt GOTO 10 NO Refer to HAC 187 Symptom Table and perform the appropriate diagnosis 1 O cHECK MEMORY FUNCTION 1 Set temperature control switch to 32 0 C 90 F Press the OFF switch Turn ignition switch OFF Turn ignition switch ON Press AUTO switch Check that the set temperature is maintained Is the inspection result normal YES gt gt GOTO 11 NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation 11 INTELLIGENT KEY INTERLOCK FUNCTION 1 Operate fan switch Set fan speed to 1st speed 2 Turn ignition switch OFF 3 Lock door using Intelligent Key or driver door request switch 4 Switch to another Intelligent Key and unlock door using Intelligent Key or driver door request switch 5 Turn ignition switch ON 6 Operate fan switch Set fan speed to 7th speed 7 Operate temperature control switch driver side Decrease setting tempera
70. by operation sound that upper ventilator door motor driver side operates Does upper ventilator door motor driver side operate YES gt gt GOTO8 NO GO TO 2 2 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DRIVE SIGNAL Check voltage between upper ventilator door motor LH harness connector and ground when Upper Vent in Climate screen is touched T Upper ventilator door motor LH Condition Voltage Approx Connector Terminal 1 ON OFF M313 Ground Upper Vent 12 2 OFF Is the inspection result normal Revision 2010 June HAC 142 2011 M37 M56 B275F B2760 2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES gt gt 6 NO gt gt GO TO 3 3 CHECK UPPER VENTILATOR DOOR MOTOR LH DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door motor LH connector 4 Check continuity between upper ventilator door motor LH harness connector and A C auto amp harness connector Upper ventilator door motor LH A C auto amp m Continuity Connector Terminal Connector Terminal 1 66 M313 M304 Existed 2 86 Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between upper ventila
71. circuit A C auto amp HAC 191 HAC 198 Diagnosis Procedure 2011 M37 M56 FOREST AIR SYSTEM SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING FOREST AIR SYSTEM gt Symptom Table INFOID 0000000005905770 NOTE Perform the self diagnoses with CONSULT III before performing the symptom diagnosis If DTC is detected perform the corresponding diagnosis The following table is based on the condition that automatic air conditioning system operates normally Symptom Corresponding malfunction part Reference Forest Air system cannot be controlled The circuit between multifunction switch and AV control unit The circuit between display and AV control unit Multifunction switch Display AV control unit CAN communication circuit A C auto amp AV 288 Symptom Table Plasmacluster control does not operate NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corpora tion Power supply system of ionizer The circuit between ionizer and A C auto amp lonizer A C auto amp HAC 183 Diagnosis Procedure Operation status of Plasmacluster control does not switch according to air flow NOTE Replace A C auto amp Refer to Plasmacluster ion technology developed by A C auto amp 201 Removal and Installa Sharp Corporation is installed
72. connector Revision 2010 June HAC 134 2011 M37 M56 275 B275D B275E INTAKE DOOR MOTOR AUTOMATIC AIR CONDITIONING DTC CIRCUIT DIAGNOSIS gt 1 O cHECK INTAKE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between intake door motor harness connector and ground Intake door motor Connector Terminal Continuity M310 without Forest Air 309 with Forest Air Is the inspection result normal YES gt gt GOTO11 3 NO Repair harness or connector 11 cHECK INTAKE DOOR MOTOR PBR POWER SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between intake door motor harness connector and ground Ground Not existed Intake door motor Voltage Connector Terminal M310 without Forest Air 5 Ground 5V M309 with Forest Air 4 Is the inspection result normal YES gt GOTO13 NO gt gt GO TO 12 1 2 CHECK INTAKE DOOR MOTOR PBR FEEDBACK PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between intake door motor harness connector and A C auto amp harness connector Intake door motor A C auto amp mE Continuity Connector Terminal Connector Terminal 310 without Forest Air 5 M304 71 Existed 309 with Forest Air 4 Is the inspection result normal YES gt GO TO 15 NO Repair harnes
73. inspection result normal YES gt gt INSPECTION END NO gt gt Replace rear mode door motor Refer toHAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Component Inspection PBR inFo10 0000000005808741 1 REAR MODE DOOR MOTOR PBR Check resistance between rear mode door motor terminals Terminal Resistance Q 3 7 5 Other than 0 or Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace rear mode door motor Refer toHAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Revision 2010 June HAC 151 2011 M37 M56 2765 2766 B2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2765 B2766 B2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC Log INFOID 0000000005905742 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC 01000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to 167 DOOR MOTOR PBR WITH FOREST Diagnosis Procedure Items m DTC CONSULT III screen terms DTC detection condition Possible cause Upper ventilator door motor passenger side Uppe
74. or less ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 109 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID o000000005905712 1 SUNLOAD SENSOR POWER SUPPLY CIRCUIT 1 Turn ignition switch OFF 2 Disconnect sunload sensor connector 3 Turn ignition switch ON 4 Check voltage between sunload sensor harness connector and ground Sunload sensor m Voltage Approx Connector Terminal M46 3 Ground Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between sunload sensor harness connector and auto amp harness connector Sunload sensor A C auto amp mE Continuity Connector Terminal Connector Terminal M46 3 M67 39 Existed Revision 2010 June HAC 109 2011 M37 M56 B2630 2631 SUNLOAD SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt GOTO3 NO Repair harness or connector 3 CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between sunload sensor harness connector
75. order of removal CAUTION Replace O ring with new ones Then apply compressor oil to them when installing Female side piping connection is thin and easy to deform Slowly insert the male side piping straight in axial direction nsert piping securely until a clicks is heard After piping connection is completed pull male side piping by hand to make sure that connection does not come loose Check for leakages when recharging refrigerant Refer to HA 19 Leak Test NOTE Refer to CO 9 Refilling VQ37VHR or 34 Refilling VK56VD when filling radiator with engine coolant REAR MODE DOOR MOTOR REAR MODE DOOR MOTOR Removal and Installation INFOID 000 0000005905799 HAC REMOVAL 1 Remove instrument panel assembly Refer to 13 Removal and Installation 2 Remove mounting screws and then remove rear mode door motor 3 Disconnect rear mode door motor connector INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 211 2011 M37 M56 POWER TRANSISTOR lt REMOVAL AND INSTALLATION gt 1 AUTOMATIC AIR CONDITIONING POWER TRANSISTOR Exploded View INFOID 0000000005905800 Refer to VTL 16 Exploded View Removal and nstal latio n INFOID 0000000005905801 REMOVAL 1 Remove instrument lower cover Refer to IP 13 Removal and Installation 2 Remove mounting screws and then remove power transistor INSTALLATION Install in the reverse order of removal
76. selected using this switch within a range between 18 C 60 F and 32 C 90 F at a rate of 0 5 C 1 0 F per adjustment A Press Setting temperature increases Temperature control switch Driver side V Press Setting temperature decreases NOTE When air conditioning system is OFF setting temperature can be selected only while air conditioning System status screen only when MODE switch driver side is pressed is indicated on display The system is set to LH RH independent status DUAL displays by operating this switch Outlet air flow temperature of passenger side can be changed without changing outlet air flow temperature of driver side Setting temperature is selected using this switch within a range between 18 C 60 F and 32 90 F at a rate of 0 5 C 1 0 F per adjustment Temperature control Press Setting temperature increases switch Passenger side W Press Setting temperature decreases NOTE When air conditioning system is OFF setting temperature can be selected only while air condition ing system status screen only when MODE switch passenger side is pressed is indicated on dis play When DEF mode is ON temperature control switch passenger side is inoperative AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Menu Displayed by Pressing Each Switch INFOID 0000000006 114690 CLIMATE MENU Climate menu screen is displayed when CLIMATE switch of multi f
77. side consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates ventilator door passenger side and foot door passenger side according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position Revision 2010 June HAC 17 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING HEATER amp COOLING UNIT ASSEMBLY Rear Mode Door Motor Rear mode door motor consists of motor that drives door Potentio Balance Register that detects door position Motor operates rear mode door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Upper Ventilator Door Motor Upper ventilator door motor consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates upper ventilator door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion Acc
78. sig 5 Y Ground ial Output Ignition switch ON 0 gt 20 ms SJIA1453J TE Humidity sensor ground Ignition switch ON 23 G Drive mode select switch i Drive mode select switch OV W roun SNOW signal nput position SNOW Other than the above 12V Ignition switch ON 24 Ground Drive mode select switch Drive mode select switch OV L roum ECO signal nput position ECO Other than the above 12V Ignition switch ON 25 Drive mode select switch Drive mode select switch OV G Ground STANDARD signal Input position STANDARD Other than the above 12 Ignition switch ON 26 Ground Drive mode select switch Drive mode select switch 0v Y roun SPORT signal nput position SPORT Other than the above 12V Ignition switch ON 4 307 Exhaust gas outside odor p L Ground detecting sensor signal Input The signal is depending on measurement environment of the vehicle ZJIA1163J 31 0 4 8V BG Ground Ambient sensor signal Input Ignition switch ON Output voltage varies with ambient temperature 32 0 4 8V LG Ground In vehicle sensor signal Input Ignition switch ON Output voltage varies with in vehi cle temperature 0 4 8 V 1 de Ground 2222 Input Ignition switch Output voltage varies with wind LG 9 P 9 shield glass temperature Revision 2010 June HAC 57 2011 M37 M56 lt ECU DIAGNOSIS INFORMATION gt A C AUTO AMP
79. temperature felt by the customer is different from the air flow HAC 91 AUTOMATIC 1 temperature setting Setting Trimmer HAC 91 AUTOMATIC REC MEMORY SET C LUN of inlet port memory function REC can be per Memory Function REC HAC 92 AUTOMATIC FRE MEMORY SET M a of inlet port memory function FRE can be per Memory Function FRE HAG 92 AUTOMATIC AIR CONDITIONING BLOW SET Setting change of foot position setting trimmer can be performed SYSTEM Foot Position Setting Trimmer HAC 52 2011 M37 M56 Revision 2010 June DIAGNOSIS SYSTEM SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Work item Description Reference HAC 92 FOREST AIR SYSTEM Aroma Fra grance Intensity Setting HAC 92 FOREST AIR FRAGRANCE SETTING Setting change of aroma fragrance type setting can be performed SYSTEM Aroma Fra grance Type Setting HAC 93 FOREST AIR Setting change of air flow control inside odor detecting mechanism SYSTEM Air Flow Con setting can be performed trol Inside Odor Detect ing Mechanism Setting HAC 93 FOREST AIR SYSTEM Aroma Diffus er Presence Setting Setting change of aroma fragrance intensity setting can be per AROMA SETTING formed BLOWER MOTOR SETTING Setting change of aroma diffuser presence setting can be per AROMA DIFFUSER SETTING formed With Forest Air CON
80. to the previous status before DEF mode is selected When DEF switch is pressed while air conditioning system is in the OFF position Air conditioning system turns ON and becomes the following status Air flow Automatic control Air inlet Fresh air intake Air outlet DEF Compressor ON When DEF mode turns OFF entire air conditioning system is set to auto mode NOTE Automatic control is released AUTO is not displayed when this switch is pressed while air condi tioning system is in automatic control AUTO is displayed Fan speed is selected within a range of 1st 7th speed using this switch NOTE Fan switch Air conditioning system turns ON when this switch is operated while air conditioning system is in OFF status Automatic air flow control is released is not displayed when this switch is pressed while air conditioning system is in automatic control is displayed Intake switch Air inlet changes between recirculation REC lt gt fresh air intake FRE each time this switch is pressed Intake switch indicator ON Recirculation ntake switch indicator OFF Fresh air intake Press and held for 2 seconds or more intake switch indicator blinks 2 times and air inlet is set to automatic control Intake switch indicator indicates air inlet state during automatic control NOTE Air inlet can be changed when air conditioning system is in the OFF position
81. voltage between A C auto amp harness connector and ground INFOID 0000000005905753 Voltage A C auto amp Ignition switch position Connector Terminal OFF ACC ON 1 M66 2 13 Ground Battery voltage Battery voltage Battery voltage Approx 0 V Approx 0 V Battery voltage Approx 0 V Battery voltage Battery voltage Is the inspection result normal YES gt gt GOTO3 NO gt gt Repair harness or connector 3 CHECK A C AUTO AMP GROUND CIRCUIT 1 Turn ignition switch OFF 2 Check continuity between A C auto amp harness connector and ground A C auto amp Continuity Connector Terminal M66 10 Ground Existed Is the inspection result normal YES gt gt INSPECTION END NO Repair harness or connector DOOR MOTOR PBR WITH FOREST AIR DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure NOTE Check this circuit when all DTCs of motor system B2750 276 are detected 1 EACH DOOR MOTOR PBR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect mode door motor LH connector 3 Turn ignition switch ON 4 Check voltage between mode door motor LH harness connector and ground HAC 167 Revision 2010 June INFOID 0000000005905754 2011 M37 M56 POWER SUPPLY AND GROUND CIRCUIT DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Mode door motor LH 452 Connector Terminal M316 4 Gr
82. with Forest Air 5 M317 without Forest 5 304 79 Existed Air Is the inspection result normal YES gt gt 14 NO Repair harness or connector 1 4 cHECK MODE DOOR MOTOR DRIVER SIDE PBR Check mode door motor driver side PBR Refer to HAC 126 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 15 NO gt gt Replace mode door motor driver side Refer to HAC 209 DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection Motor INFOID 0000000005905724 1 MODE DOOR MOTOR DRIVER SIDE 1 Turn ignition switch OFF 2 Disconnect the mode door motor LH harness connector 3 Supply mode door motor driver side terminals with battery voltage and check by visually and operation sound that mode door motor driver side operates Terminal Operation direc E T tion 2 2 1 DEF Is the inspection result normal Revision 2010 June HAC 125 2011 M37 M56 B2756 2757 2758 MODE DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES gt gt INSPECTION END NO gt gt Replace mode door motor driver side Refer to HAC 209 MODE DOOR MOTOR
83. 1 5 V 4V Magnet clutch ON ON ON ON OFF OFF ON ECV control signal duty ratio 60 60 30 30 0 0 70 Upper ventilator door motor driver side position OPEN CLOSE CLOSE OPEN CLOSE CLOSE CLOSE uu ventilator door motor passenger side posi OPEN CLOSE CLOSE OPEN CLOSE CLOSE CLOSE Aroma motor position 2 OFF ioci ed OFF OFF Without Forest Air Test item 1 MODE 2 MODES3 MODE4 5 MODE6 MODE 7 Mode door motor driver side position VENT 1 VENT2 B L B L FOOT D F DEF Mode door motor passenger side position VENT 1 VENT 2 B L B L FOOT D F DEF Rear mode door motor position VENT VENT B L B L FOOT FOOT DEF Intake door motor position REC REC 20 FRE 20 FRE FRE FRE FRE Air mix door motor driver side position FULL FULE PUEL FURE FULL FOL COLD COLD COLD HOT HOT HOT HOT Air mix door motor passenger side position FUE FULE PULL FUEL PEL FULL FUE COLD COLD COLD HOT HOT HOT HOT Power transistor gate voltage 4V 4V 7V 7V 11 5 V 11 5 V 4V Magnet clutch ON ON ON ON OFF OFF ON ECV control signal duty ratio 60 60 30 30 0 0 70 Upper ventilator door motor position OPEN CLOSE CLOSE OPEN CLOSE CLOSE CLOSE NOTE Perform the inspection of each output device after start in the engine because the compressor is operated WORK SUPPORT Setting change of each setting functions can be performed Work item Description Reference If the
84. 2 Disconnect harness connector and then remove ambient sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 202 2011 M37 M56 IN VEHICLE SENSOR lt REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING IN VEHICLE SENSOR Removal and Installation INFOID 0000000005905785 REMOVAL 1 Remove instrument lower panel LH Refer to 13 Removal and Installation 2 Remove screws and then remove in vehicle sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 203 2011 M37 M56 SUNLOAD SENSOR lt REMOVALANDINSTALLATION gt AUTOMATIC AIR CONDITIONING SUNLOAD SENSOR Re m oval a nd n stal lat n INFOID 0000000005905786 REMOVAL 1 Remove front defroster grille Refer to VTL 10 FRONT DEFROSTER GRILLE Removal and Installa tion 2 Disconnect harness connector and then remove sunload sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 204 2011 M37 M56 HUMIDITY SENSOR REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING HUMIDITY SENSOR Exploded View INFOID 0000000005905787 JMIIA0559ZZ 1 Bracket 2 Humidity sensor 3 Windshield glass Refer to Gl 4 Components for symbols in the figure Re m oval a n d n stal ati n INFOID 0000000005905788 REMOVAL 1 Remove front camera finisher Refer to INT 49 Removal and Installation 2 Disconnect harness c
85. 2 kg cm 17 psi or less LOW TEMPERATURE PROTECTION CONTROL When intake sensor detects that evaporator fin temperature is 5 C 23 F or less A C auto amp requests ECM to turn compres sor OFF and stops the compressor e When the evaporator fin temperature returns to 1 C 34 F or more the compressor is activated 5 23 1 34 Evaporator fin temperature C F JMIIA0771GB OPERATING RATE CONTROL When set temperature is other than fully cold or air outlet is VENT or FOOT A C auto amp controls the compressor activation depending on ambient temperature AIR CONDITIONING CUT CONTROL When the engine is running in excessively high load condition ECM requests IPDM E R to turn air conditioner relay OFF and stops the compressor Refer to EC 48 AIR CONDITIONING CUT CONTROL System Description VQ37VHR or EC 581 AIR CONDITIONING CUT CONTROL System Description VK56VD for details AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Door Control INFOID 0000000005905658 DOOR MOTOR CONTROL The A C auto amp receives data from each sensor Revision 2010 June HAC 22 2011 M37 M56 SYSTEM DESCRIPTION gt SYSTEM AUTOMATIC AIR CONDITIONING When control signal from A C auto amp is received each door motor of intake air mix driver side and pas senger side mode driver side and passenger side upper ventilator driver side and passenger side and rear mode operates
86. 201 Removal and Installation 4 BREEZY AIR CONTROL OPERATION STATUS 1 Press CLIMATE switch The Climate menu screen is indicated on display Revision 2010 June HAC 86 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION AUTOMATIC AIR CONDITIONING 2 Touch Forest Air Info The Forest Air Info screen is indicated on display 3 Check that breezy air animation that is imaged from breezy air is indicated on display while breezy air control is operated Is the inspection result normal YES gt gt GOTOS5S NO Replace A C auto amp Refer to HAC 201 Removal and Installation AUTOMATIC INTAKE CONTROL EXHAUST GAS OUTSIDE ODOR DETECTING MECHANISM 1 Check that the operation is in fresh air intake mode 2 Apply cigarette smoke or similar substance to exhaust gas outside odor detecting sensor portion 3 Listen to intake sound and confirm air inlets change Is the inspection result normal YES GO TO Go NO Exhaust gas outside odor detecting sensor system malfunction Refer to HAC 105 Diagnosis Procedure AMBIENT AIR JUDGEMENT STATUS 1 Apply cigarette smoke or similar substance to exhaust gas outside odor detecting sensor portion 2 Visually check that indicator of ambient air status in display changes to orange Is the inspection result normal YES gt gt GOTO7 NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation 7 AIR FL
87. 2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING t Mode door motor RH Condition a Connector Terminal M307 with Forest Air 1 DEF VENT M308 without Forest Air 5 Ground VENT gt DEF m Is the inspection result normal YES gt gt GOTO6G NO gt gt GO TO 3 3 CHECK MODE DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect mode door motor RH harness connector and A C auto amp harness connector 3 Check continuity between mode door motor RH harness connector and A C auto amp harness connector Mode door motor RH auto amp Continuity Connector Terminal Connector Terminal M307 with Forest Air 1 64 M308 without Forest Air T M304 T existed Is the inspection result normal YES gt gt 4 NO gt gt Repair harness or connector 4 CHECK MODE DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between mode door motor RH harness connector and ground Mode door motor RH Continuity Connector Terminal M307 with Forest Air 1 M308 without Forest Air 5 Ground Notexisted Is the inspection result normal YES gt gt GOTOS5S NO gt gt Repair harness or connector 5 CHECK MODE DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage betwee
88. 312 Ground Upper Vent 12V 2 OFF gt ON Is the inspection result normal YES gt gt GOTO6 NO gt gt GO TO 3 Revision 2010 June HAC 137 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Q CHECK UPPER VENTILATOR DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door motor connector 4 Checkcontinuity between upper ventilator door motor harness connector and A C auto amp harness con nector Upper ventilator door motor A C auto amp T Continuity Connector Terminal Connector Terminal 1 66 M312 M304 Existed 2 86 Is the inspection result normal YES gt gt GOTO 4 NO gt gt Repair harness or connector UPPER VENTILATOR DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between upper ventilator door motor harness connector and ground Upper ventilator door motor Continuity Connector Terminal 1 M312 Ground Not existed Is the inspection result normal YES gt gt 5 NO Repair harness or connector UPPER VENTILATOR DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between upper ventilator door motor harness connector and ground F Voltage Upper ventilator door moto
89. 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction parts Component Inspection Motor inFo10 0000000006107070 1 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE 1 Turn ignition switch OFF 2 Disconnect upper ventilator door motor RH connector 3 Supply upper ventilator door motor passenger side terminals with battery voltage and check by visually and operation sound that upper ventilator door motor passenger side operates Revision 2010 June HAC 155 2011 M37 M56 2765 2766 B2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Terminals M Operation direction 1 2 Close 2 1 Open Is the inspection result normal YES gt gt INSPECTION END NO Replace upper ventilator door motor passenger side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Component Inspection PBR INFOI0 0000000006107071 1 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR Check resistance between upper ventilator door motor passenger side terminals Terminals Resistance Q 3 4 Other than 0 or Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace upper ventilator door motor passenger side Refer to HAC 211 UP
90. 4 Check voltage between compressor harness connector and ground Compressor Voltage Connector Terminal F43 3 Ground Is the inspection result normal YES gt gt 5 gt gt GO TO 2 2 FUSE 1 Turn ignition switch OFF 2 Check 10 A fuse No located in fuse block J B NOTE Refer to PG 131 Fuse Connector and Terminal Arrangement Is the inspection result normal YES gt gt GOTO3 NO Replace the fuse after repairing the applicable circuit 3 CHECK ECV POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect fuse block J B connector 2 Check continuity between compressor harness connector and fuse block J B harness connector Battery voltage Compressor Fuse block J B Connector Continuity Connector Terminal Terminal F43 3 M1 2A Existed Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 CHECK ECV POWER SUPPLY CIRCUIT FOR SHORT 1 Disconnect A C auto amp connector ionizer connector with Forest Air and inside odor detecting sensor connector with Forest Air 2 Check continuity between compressor harness connector and ground Compressor Connector Terminal Continuity F43 3 Ground Not existed Is the inspection result normal YES gt gt Check ignition power supply circuit Refer to PG 84 Wiring Diagram IGNITION POWER SUP PLY NO Repair harne
91. 4 FOREST AIR SYSTEM 45 FOREST AIR SYSTEM Switch Name and Func nace ET EE 45 FOREST AIR SYSTEM Menu Displayed by Pressing Each Switch 48 DIAGNOSIS SYSTEM HVAC 50 DesCriptiOri uu ane tte 50 CONSULT III Function nnna 50 ECU DIAGNOSIS INFORMATION 54 AUTO eurn rennen nennen nnn nnn 54 Reference Value 54 Failsafe 62 D TG Ihdex uei titre pe toe in rr e dere 62 ECM IPDM E R 64 List of ECU Reference 64 WIRING DIAGRAM 65 AUTOMATIC AIR CONDITIONING SYSTEM 65 Wiring Diagram 65 BASIC INSPECTION 80 DIAGNOSIS AND REPAIR WORK FLOW 80 Work PlOW e m 80 OPERATION INSPECTION 82 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR 2 1 82 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Work Procedure 82 AUTOMATIC AIR CONDITIONING SYSTEM 38 WITHOUT FOREST AIR 84 38 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Work Procedure 84 FOREST AIR SYSTEM
92. 758 MODE DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 8 cHECK MODE DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL 1 Operate MODE switch driver side and DEF switch 2 Check voltage between A C auto amp harness connector and ground As Voltage A C auto amp Condition Approx Connector Terminal VENT 4V M304 54 Ground Air outlet DEF 1V Is the inspection result normal YES gt gt GOTO 15 NO gt gt GO TO 9 9 CHECK MODE DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect mode door motor LH harness connector and A C auto amp harness connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M316 with Forest Air 317 without Forest Air 2 M304 94 Existed Is the inspection result normal YES gt gt GO TO 10 NO Repair harness or connector 1 MODE DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between mode door motor LH harness connector and ground Mode door motor LH x Continuity Connector Terminal 316 with Forest Air M317 without Forest Air Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11
93. A C auto amp AG DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT II 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 95 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure InFo10 0900000006196412 1 REPLACE A C AUTO AMP HAC Replace A C auto amp Refer to HAC 201 Removal and Installation gt gt INSPECTION END Revision 2010 June HAC 95 2011 M37 M56 B2578 2579 IN VEHICLE SENSOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2578 B2579 IN VEHICLE SENSOR DTC Logic INFOID 0000000005905700 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Items 3 DTC CONSULT III screen terms DTC detection condition Possible cause The in vehicle sensor recognition temperature In vehicle sensor EUM is too high A C auto amp IN VEHICLE SENSOR Harness or connectors B2579 The in vehicle sensor recognition temperature The sensor circuit is open or short is too low ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch
94. A C auto amp mn Continuity Connector Terminal Connector Terminal M305 1 M304 79 Existed Is the inspection result normal YES gt gt 13 NO Repair harness or connector 1 3 CHECK AROMA MOTOR PBR Check aroma motor PBR Refer to 161 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 14 NO gt gt Replace aroma motor Refer to HAC 214 Removal and Installation 1 4 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction parts Component Inspection Motor INFO1D 0000000005905748 1 AROMA MOTOR 1 Turn ignition switch OFF 2 Disconnect aroma motor connector 3 Supply aroma motor terminals with battery voltage and check by visually and operation sound that aroma motor operates Terminals Operation direction 4 5 6 Fragrant wood 6 5 Leaf scent Is the inspection result normal YES gt gt INSPECTION END Revision 2010 June HAC 160 2011 M37 M56 B2768 2769 276 AROMA MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING NO gt gt Replace aroma motor Refer to HAC 214 Removal and Installation Component Inspection PBR INFOID 0000000005905749 1 AROMA MOTOR PBR Check resistance between aroma motor termin
95. AUTOMATIC AIR CONDITIONING Terminal No Description Wire dolor Reference value Condition Signal name Input EPE 9 Output 0 4 8 V TE Ground E sensor driversside Input Ignition switch ON Output voltage varies with amount 9 of sunload driver side F 0 4 8 V 1 Ground Odor deieetirtg sensor Input Ignition switch ON Output voltage varies with amount V 9 of passenger room odor level a Ground Sensor power supply Output Ignition switch ON 5V Within 30 sec onds after turn 2 ing ON the OV 413 Ground Heated steering wheel relay Output Ignition heated steering L control signal switch ON switch Other than the 12V above Ignition switch ON V 4 lonizer ON OFF control sig Blower motor ON 42 9 Output W nal Ignition switch ON 12V Blower motor OFF 44 Ground B Heated steering xi H i wheel switch oV 45 eated steering whee gnition While pressin G Ground switch signal Input switch ON Other than the 12V above 47 Sunload sensor passenger um 1g Ground side signal Input Ignition switch ON Output voltage varies with amount 9 of sunload passenger side n roun ntake sensor signa npu gnition switc utput voltage varies with amoun B G d Intak Input Ignit tch ON Output volt th t of evaporator fin temperature Ignition switch ON Aroma dif
96. AV Self Diagnostic Result AN control unit Multi AV system on board diagnosis function EGN Self Diagnostic Result ENGINE Data Monitor Self Diagnostic Result H IPDM E R IPDM E R Data Monitor Auto active test CON S U LT nction INFOID 0000000005905675 APPLICATION ITEM CONSULT III performs the following functions CAN communication with A C auto amp Diagnostic mode Description Ecu Identification Displays the part number of A C auto amp Self Diagnostic Result Displays the diagnosis results judged by A C auto amp Data Monitor Displays the input output signal of A C auto amp Active Test The signals used to activate each device are forcibly supplied from A C auto amp Work support Changes the setting for each setting function Configuration The vehicle specification that is written in A C auto amp can be displayed or stored The vehicle specification can be written when A C auto amp is replaced NOTE Diagnosis should be performed with engine running Door motor operation speeds become slower and NO results may be returned even for normal operation if battery voltage drops below 12 V during self diagnosis ECU IDENTIFICATION Part number of A C auto amp can be checked NOTE When the vehicle specification is written to A C auto amp using control unit setting part number of A C auto amp is updated to match the vehicle specification SELF DIAGNOSTIC RESULT Diagnosis result that is ju
97. Airmix door motor passenger side control linkage installation condition A C auto amp Harness or connectors Stop position of air mix door motor passenger The motor circuit is open or short B2755 ica side is malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 117 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure InFo10 0000000005905719 Air mix door motor passenger side PBR feed B2794 sree back signal voltage is too high 1 AIR MIX DOOR MOTOR PASSENGER SIDE OPERATION 1 Turn ignition switch ON 2 Operate temperature control switch passenger side and check by operation sound that air mix door motor passenger side operates Is the inspection result normal YES gt gt 8 NO GO TO 2 2 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL Check voltage between air mix door motor RH harness connector and ground 4 Air mix door motor RH Condition Voltage Approx Connector Terminal 1 18 C 60 F 32 C 90 F M306 Ground Set temperature T 2 passenger side 32 C 90 F 18 C 60 F Is the inspection result normal Revision 2010 June HAC 117 2011 M37 M56 B2753
98. C 152 Diagnosis Procedure 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR SYMPTOM DIAGNOSIS Symptom AUTOMATIC AIR CONDITIONING Corresponding malfunction part Reference Discharge air temperature of driver side does not change The air mix door motor driver side does not oper ate normally The circuit between air mix door mo tor driver side and A C auto amp Air mix door motor driver side con trol linkage Air mix door motor driver side A C auto amp HAC 112 Diagnosis Procedure Discharge air temperature of passenger side does not change The air mix door motor passenger side does not operate normally The circuit between air mix door mo tor driver side and A C auto amp Air mix door motor passenger side control linkage Air mix door motor passenger side A C auto amp HAC 117 Diagnosis Procedure Intake door does not change The intake door motor does not operate normally The circuit between intake door mo tor and A C auto amp Intake door motor control linkage Intake door motor A C auto amp HAC 132 Diagnosis Procedure All door motors do not operate normally Power supply and ground circuit of door motor PBR potentio balance resistor A C auto amp HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure Blower motor operation is malfunctioning Power supply system of blower mo t
99. C 91 2011 M37 M56 SYSTEM SETTING BASIC INSPECTION AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM Inlet Port Memory Function FRE INFOID 0000000006115688 DESCRIPTION If the ignition switch is turned to the OFF position while the FRE indicator is set to ON fresh air intake Per form the memory or Do not perform the memory of FRE indicator ON fresh air intake condition can be selected If Perform the memory was set the FRE indicator will be ON fresh air intake when turning the ignition switch to the ON position again If Do not perform the memory was set the air inlets will be controlled automatically when turning the igni tion switch to the ON position again HOW TO SET With CONSULT III Perform the FRE MEMORY SET of HVAC work support item Work support items Display Setting WITHOUT Perform the memory of manual FRE WITH initial status Do not perform the memory of manual FRE auto control AUTOMATIC AIR CONDITIONING SYSTEM Foot Position Setting Trimmer INFOID 0000000006 115687 FRE MEMORY SET DESCRIPTION In FOOT mode the air blowing to DEF can change ON OFF HOW TO SET With CONSULT III Perform the BLOW SET of HVAC work support item Defroster door position Work support items Display Auto control Manual control Mode 1 initial status OPEN CLOSE Mode 2 OPEN OPEN BLOW SET Mode 3 CLOSE OPEN Mode 4 CLO
100. CRIPTION gt AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Outlet Control INFOID 0000000005905656 While air outlet is in automatic control A C auto amp selects the mode door position depending on a target air mix door angle Hot Cold Target air mix door opening angle JMIIA0795GB AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Compressor Con trol INFOID 0000000005905657 DESCRIPTION When the compressor activation condition is satisfied while blower motor is activated A C auto amp trans mits A C ON signal and blower fan ON signal to ECM via CAN communication ECM judges that the compressor can be activated depending on each sensors state refrigerant pressure sensor signal throttle position sensor signal and others And transmits air conditioner relay control signal to IPDM E R via CAN communication IPDM E R turns air conditioner relay ON and activates the compressor depending on request from ECM COMPRESSOR PROTECTION CONTROL AT PRESSURE MALFUNCTION When high pressure side value that is detected by refrigerant pressure sensor is as per the following state requests IPDM E R to turn air conditioner relay OFF and stops the compressor 3 12 MPa 31 20 bar 31 8 kg cm 452 psi or more When the engine speed is less than 1 500 rpm 2 74 MPa 27 40 bar 27 9 kg cm 397 psi or more When the engine speed is 1 500 rpm or more 0 12 MPa 1 20 bar 1
101. CUIT DIAGNOSIS 3 Turn ignition switch ON 4 Check voltage between humidity sensor harness connector and ground AUTOMATIC AIR CONDITIONING T Voltage Humidity sensor 3 Approx Connector Terminal R6 3 Ground 5V Is the inspection result normal YES gt gt GOTO 12 NO gt gt GO TO 9 O cHECK HUMIDITY SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between humidity sensor harness connector and A C auto amp harness connector Humidity sensor A C auto amp Continuity Connector Terminal Connector Terminal R6 3 M67 39 Existed Is the inspection result normal YES gt gt GO TO 10 NO Repair harness or connector 1 HUMIDITY SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between humidity sensor harness connector and ground Humidity sensor T Continuity Connector Terminal R6 3 Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 HUMIDITY SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT Ground Not existed 1 Turn ignition switch ON 2 Check voltage between humidity sensor harness connector and ground Voltage Humidity sensor Connector Terminal R6 3 Ground OV Is the inspection result normal YES gt gt GOTO 15
102. Check intake door motor Refer to HAC 136 Component Inspection Motor Is the inspection result normal YES gt gt 0 7 NO gt gt Replace intake door motor Refer to HAC 210 INTAKE DOOR MOTOR Removal and Installa tion T CHECK INSTALLATION OF INTAKE DOOR MOTOR CONTROL LINKAGE Check intake door motor control linkage is properly installed Refer to 209 Exploded View Is the inspection result normal YES gt GO TO 15 NO Repair or replace malfunctioning parts 8 cHECK INTAKE DOOR MOTOR PBR FEEDBACK SIGNAL 1 Operate FRE switch and REC switch with Forest Air or intake switch without Forest Air 2 Check voltage between A C auto amp harness connector and ground 4 AIC auto amp E Condition Voltage Approx Connector Terminal REC 4V M304 55 Ground Inlet duct FRE 1V Is the inspection result normal YES gt gt GOTO 15 NO gt gt GO TO 9 O cHECK INTAKE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect intake door motor connector 4 Check continuity between intake door motor harness connector and A C auto amp harness connector Intake door motor A C auto amp m Continuity Connector Terminal Connector Terminal M310 without Forest Air 3 M304 55 Existed M309 with Forest Air Is the inspection result normal YES gt gt GOTO 10 NO gt gt Repair harness or
103. Connector Terminal 1 DEF VENT M318 Ground Air outlet 12V 2 VENT gt DEF Is the inspection result normal YES gt gt GOTO6G NO gt gt GO TO3 REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect rear mode door motor connector 4 Check continuity between rear mode door motor harness connector and A C auto amp harness connec tor Rear mode door motor A C auto amp mE Continuity Connector Terminal Connector Terminal 1 68 M318 M304 Existed 2 88 Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between rear mode door motor harness connector and ground Rear mode door motor Continuity Connector Terminal 1 M318 se Ground Not existed Is the inspection result normal YES gt gt GOTOS5S NO gt gt Repair harness or connector 5 CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 rear mode door motor harness connector and ground n Rear mode door motor Voltage Approx Connector Terminal 1 M318 Ground OV Is the inspection result normal YES gt gt GOTO 15 NO gt gt Repair harness or connector 6 cHECK REAR MODE DOOR MOTOR Check rear mode door motor
104. DIS HOSN3S 3 IV LNI is uoneoyioadg jeusis 9951 201990100 OLNY 40322uu05 o5 Sn _______ ___ 8s 26 8s e 1NOO dSIQ WOO 68 qiHs 88 IVNSIS 3NOHdOHOIN IVNDIS ONAS 35 VI 31ISOdWOO E 95109 8 IVNOIS 46 a 28 vo _ 98 _______ _______ wai as 6 _______ Janv po NOD AY s dS10 lt LNOO WWOO e Q T3IHS 3NOHdOHOIN 1913195 104110 5 69 VNSIS 35 VAI 31ISOdWOO mM 99 TWNDIS JOVI 3 150 4 00 19 5 JAVY SNDiHYd 59 saw jo uoneoyioeds jeusis LINN lOHINOO AV WALSAS SNINOLLIQNOO IV OILVINO LOV JCIWA0495GB 2011 M37 M56 HAC 77 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt _______ _______ 57 c _______ _________ 2 G eam so YOLOW Hv3H gren
105. ENSOR 202 Component Inspection Blower Motor 176 Removal and Installation 202 Component Inspection Blower Relay 176 IN VEHICLE SENSOR 203 ELECTRICAL CONTROL VALVE 177 Removal and Installation 203 Diagnosis Procedure 177 Component Inspection 178 SUNLOAD SENSOR 204 Removal and Installation 204 INSIDE ODOR DETECTING SENSOR 179 Component Function Check 179 HUMIDITY SENSOR 205 Diagnosis Procedure 179 Exploded View 205 Component Inspection 181 Removal and Installation 205 ONZ ER Ree 183 INTAKE SENSOR eene 206 Component Function Check 183 Exploded View 206 Diagnosis Procedure 2 183 Removal and Installation 206 MAGNET CLUTCH 3 186 INSIDE ODOR DETECTING SENSOR 207 Component Function Check
106. F on display turn OFF and control turns OFF NOTE AUTO switch indicator lamp and AUTO on display do not turn OFF When Forest Air system is OFF Control does not turn ON when FOREST switch or AUTO switch is pressed NOTE AUTO indicator lamp and AUTO on display turn ON Each control of Forest Air system reactivates according to the following procedures when A C auto amp rec ognizes that ambient temperature is 0 C 32 F or more Control that reactivates automatically Control Reactivation procedure Automatic defogging control Control that does not reactivate automatically Control When ambient temperature is 0 C 32 F or more FOREST switch indicator lamp does not turn ON again but AUTO DEF on display turns ON again auto matically and control reactivates automatically Reactivation procedure Breezy air control Aroma diffuser control Automatic intake control exhaust gas outside odor detecting mechanism Air flow control inside odor detecting mechanism NOTE When ambient temperature is 0 C 32 F or more FOREST switch indicator lamp does not turn ON again and control does not reactivate It is necessary to turn FOREST switch ON again for reactivating control Automatic control of conventional automatic air conditioning system has priority for preventing fogging of win dow when ambient temperature is low Revision 2010 June HAC 199 2011 M37 M56
107. FIGRATION The vehicle specification that is written in A C auto amp can be displayed or stored The vehicle specification can be written when A C auto amp is replaced Refer to HAC 90 Description Revision 2010 June HAC 53 2011 M37 M56 AUTO lt DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING ECU DIAGNOSIS INFORMATION A C AUTO AMP Reference Value AUTOMATIC AIR CONDITIONING INFOID 0000000005905676 CONSULT III DATA MONITOR REFERENCE VALUES Monitor item Condition Value Status m COMP REQ SIG Engine Run at idle after Compressor operation status warming up A C OFF Off m Blower motor On FAN REQ SIG Engine Run at idle after warming up Blower motor OFF Off Values depending on target air flow DR TARGET A TEMP Ignition switch ON temperature driver side Values depending on target air flow PA TARGET A TEMP Ignition switch ON temperature passenger side AMB TEMP SEN Ignition switch ON Equivalent to ambient temperature IN VEH TEMP Ignition switch ON INT TEMP SEN Ignition switch ON Values depending on evaporator fin temperature AMB SEN CAL Ignition switch ON Equivalent to ambient temperature IN VEH CAL Ignition switch ON to in vehicle tempera T Values depending on evaporator fin INT TEMP CAL Ignition switch ON temperature ENG COOL TEMP Ignition switch ON values aepending on engin
108. Fragrant wood 0v Ground Mode door motor driver side DEF drive signal Output Ignition switch ON Air outlet VENTDEF DUAL OFF 12V Ignition switch ON Air outlet DEF VENT DUAL OFF OV 84 W B Ground Mode door motor passenger side DEF drive signal Output Ignition switch ON Air outlet VENTDEF DUAL OFF 12V Ignition switch ON Air outlet DEF VENT DUAL OFF 0v 85 LG B Ground Intake door motor FRE drive signal Output Ignition switch ON Air inlet 12V Ignition switch ON Air inlet FRE gt REC OV 86 YIB Ground Upper ventilator door motor driver side OPEN drive sig nal Output Ignition switch ON Upper Vent OFF2ON 12V Ignition switch ON Upper Vent ON gt OFF 862 YIB Ground Upper ventilator door motor OPEN drive signal Output Ignition switch ON Upper Vent OFF2ON 12V Ignition switch ON Upper Vent ON gt OFF Ground Air mix door motor passen ger side COOL drive signal Output Ignition switch ON Set temperature 32 90 gt 18 60 F DUAL OFF 12V Ignition switch ON Set temperature 189 60 F 32 C 90 F DUAL OFF OV 88 B W Ground 1 With Forest Air Revision 2010 June Rear mode door motor FOOT drive signal Output Ignition switch ON Air out
109. GROUND SHORT Check continuity between ambient sensor harness connector and ground Ambient sensor Continuity Connector Terminal E76 1 Ground Not existed Is the inspection result normal YES gt gt GOTO4 NO Repair harness or connector 4 CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between ambient sensor harness connector and ground Voltage Ambient sensor Connector Terminal E76 1 Ground OV Is the inspection result normal YES gt gt GOTO7 NO gt gt Repair harness or connector 5 CHECK AMBIENT SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between ambient sensor harness connector and A C auto amp harness connector Ambient sensor A C auto amp NE Continuity Connector Terminal Connector Terminal E76 2 M67 44 Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector AMBIENT SENSOR Check ambient sensor Refer to HAC 100 Component Inspection Is the inspection result normal YES gt gt GOTO7 NO Replace ambient sensor Refer to HAC 202 Removal and Installation CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Install
110. Ground Not existed Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK IN VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between in vehicle sensor harness connector and ground 4 Voltage In vehicle sensor Approx Connector Terminal M185 1 Ground OV Is the inspection result normal YES GOTO 7 NO Repair harness or connector IN VEHCLE SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between in vehicle sensor harness connector and A C auto amp harness connector In vehicle sensor A C auto amp 2 Continuity Connector Terminal Connector Terminal M185 2 M67 44 Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 cHECK IN VEHICLE SENSOR Check in vehicle sensor Refer to HAC 97 Component Inspection Is the inspection result normal YES gt gt GOTO7 NO Replace in vehicle sensor Refer to HAC 203 Removal and Installation CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO Repair or replace malfunctioning parts Component Inspection INFOID 0000000005905702 1
111. ID OC00000006 15698 NOTE Perform self diagnoses with CONSULT III before performing symptom diagnosis If DTC is detected per form the corresponding diagnosis Check that refrigerant is enclosed in cooler cycle normally If refrigerant amount is shortage from proper amount perform inspection of refrigerant leakage 1 MAGNET CLUTCH OPERATION Check magnet clutch Refer to HAC 186 Component Function Check Does it operate normally YES gt gt 2 NO Repair or replace malfunctioning parts 2 REFRIGERANT PRESSURE SENSOR Check refrigerant pressure sensor Refer to EC 522 Component Function Check VQ37VHR or EC 1089 Component Function Check VK56VD Is the inspection result normal YES gt gt NO Repair or replace malfunctioning parts 3 CHECK A C AUTO AMP OUTPUT SIGNAL CONSULT III Check COMP REQ SIG and FAN REQ SIG in DATA MONITOR mode of HVAC using CONSULT III Monitor item Condition Status ON On COMP REQ SIG Climate menu OFF Off ON On FAN REQ SIG Blower motor OFF Off Is the inspection result normal YES gt gt GOTO4 NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation 4 CHECK ECM INPUT SIGNAL With CONSULT III Check AIR COND SIG and HEATER FAN SW in DATA MONITOR mode of using CONSULT III Monitor item Cond
112. IN VEHICLE SENSOR 1 Turn ignition switch OFF 2 Disconnect in vehicle sensor connector Revision 2010 June HAC 97 2011 M37 M56 2578 2579 IN VEHICLE SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 3 Checkresistance between in vehicle sensor terminals Terminal Mii Resistance Temperature C F 15 5 12 90 10 14 9 68 5 23 7 35 0 32 5 63 5 41 4 35 10 50 3 40 1 2 15 59 2 68 20 68 2 12 25 77 1 70 30 86 1 37 35 95 1 11 40 104 0 91 45 113 0 75 Is the inspection result normal YES gt gt INSPECTION END NO Replace in vehicle sensor Refer to HAC 203 Removal and Installation Revision 2010 June HAC 98 2011 M37 M56 B257B B257C AMBIENT SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B257B B257C AMBIENT SENSOR DTC Logic INFOID 0000000005905703 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Items DTC CONSULT III screen terms DTC detection condition Possible cause The ambient sensor recognition temperature is Ambient sensor B257B too high A C auto amp AMBIENT SENSOR Harness or connectors B257C T
113. INN LINN NT NOLIVNISNOO JOHINOO JOHINCO a L1 ERR AP ZH MERI SNM viva Ov ON 9 AUTOMATIC AIR CONDITIONING SYSTEM Go t a Qis v Quis 8 adl e gt LO s 307 Ex WOE o ex be 5 159104 nouum dO lt JI 189104 QN a InOUJM NO jno e UMOYS SI JO OSUUOD SIU V 2011 M37 M56 HAC 66 Revision 2010 June AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM gt Cu Gen HOLOW 430 Goer HOJVTLINA H3ddn HOLOW v3 ren HOJV ILIN3A H1HOLON HOOG HOLV ILLN3A H3ddn Coe Gen So olny JCIWA0485GB 43 uOSN3S 3unsS3Hd 4522526210215255501 24 1 2 ss 68 H 06 821 99 oJ F MONS Jo93 auvawvis 18085 EOZIN HOLIMS 1031465 SCOW 05 L 09 ueis s 2 o mm ge 921 cal
114. ION with CONSULT III Never perform WRITE CONFIGURATION except for new A C auto amp Wo rk P ro ced INFOID 0000000006115321 READ CONFIGURATION 1 WRITING MODE SELECTION BCONSULT II Configuration Select CONFIGURATION of A C auto amp When writing saved data gt gt GO 2 When writing manually gt gt GO TO 3 2 WRITE CONFIGURATION CONFIG FILE B CONSULT III Configuration Perform WRITE CONFIGURATION Config file gt gt WORK END 3 PERFORM WRITE CONFIGURATION MANUAL SETTING B CONSULT III Configuration Select WRITE CONFIGURATION Manual setting Select SETTING Select OK When COMMAND FINISHED select END fom GO TO 4 OPERATION CHECK Confirm that each function controlled by A C auto amp operates normally gt gt WORK END Revision 2010 June HAC 90 2011 M37 M56 SYSTEM SETTING BASIC INSPECTION AUTOMATIC AIR CONDITIONING SYSTEM SETTING AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING SYSTEM Temperature Setting Trimmer INFOID 0000000006115686 DESCRIPTION If the temperature felt by the customer is different from the air flow temperature controlled by the temperature setting the A C auto amp control temperature can be adjusted to compensate for the temperature setting HOW TO SET With CONSULT III Perform TEMP SET CORRECT of HVAC work support item
115. ION DESCRIPTION Plasmacluster control operates by interlocking to blower motor Plasmacluster control operates when blower motor operates Control status is displayed on air conditioning system display screen and Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corporation FOREST AIR SYSTEM Intelligent Key Interlock Function INFOID o000000006113233 DESCRIPTION Setting value of Forest Air system when ignition switch is previously OFF can be memorized for each Intelli gent Key Forest Air system is automatically operated by the setting value NOTE Setting value can be memorized for up to 3 Intelligent Keys Interlock items are as per the following table Operation Conditions Multifunction switch FOREST switch ON OFF Breeze Mode ON OFF Fan Speed Variance Low High Forest Air Setting menu screen Outside Inside Air Mix Setting value Auto Defogging Sensitivity Setting value Aroma ON OFF Operation Description Memory 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns OFF A C auto amp memorizes setting information Breeze Mode status Aroma st
116. IONING BASIC INSPECTION DIAGNOSIS AND REPAIR WORK FLOW Wo rk F OW INFOID 0000000006 134689 OVERALL SEQUENCE INSPECTION START 1 INTERVIEW FOR MALFUNCTION Interview the symptom to the customer 2 SYMPTOM CHECK Check the symptom from the customer s information 3 BASIC INSPECTION Check the operation of each part Check that any symptom occurs other than the interviewed symptom SYMPTOM PERCEPTION 5 TROUBLE DIAGNOSIS BY DTC 4 SELF DIAGNOSIS WITH CONSULT III DTC is detected Perform the self diagnosis with CONSULT III gt Perform the trouble diagnosis for the detected DTC Check that any DTC is detected Specify the malfunctioning part yr is not detected Fail safe 7 SYSTEM DIAGNOSIS activates Perform the system diagnosis for the system that the fail safe activates Specify the malfunctioning part 6 FAIL SAFE ACTIVATION CHECK Check that the symptom is applied to the fail safe activation Fail safe does not activate 8 SYMPTOM DIAGNOSIS Perform the symptom diagnosis Specify the malfunctioning part SPECIFY THE MALFUNCTIONING PART 9 MALFUNCTIONING PART REPAIR Repair or replace the malfunctioning part 10 REPAIR CHECK SELF DIAGNOSIS WITH CONSULT III Perform the self diagnosis with CONSULT III Check that DTC is detected any DTC is not detected Erase DTC if DTC is detected before the repair Check that DTC is not detected again
117. IR MIX DOOR MOTOR Removal and Installation INFOID 0000000005905796 REMOVAL 1 Set the temperature at 18 C 60 F Then disconnect the battery cable from the negative terminal CAUTION The angle may be out when installing the air mix door motor to the air mix door unless the above procedure is performed 2 Remove heater amp cooling unit assembly Refer to HA 45 HEATER amp COOLING UNIT ASSEMBLY Removal and Installation 3 Remove blower unit assembly from heater amp cooling unit assembly Refer to VTL 17 BLOWER UNIT Removal and Installation passenger side only 4 Remove mounting screws and then remove air mix door motor 5 Disconnect air mix door motor connector INSTALLATION Note the following items install in the reverse order of removal CAUTION Replace O ring with new ones Then apply compressor oil to them when installing Female side piping connection is thin and easy to deform Slowly insert the male side piping straight in axial direction Insert piping securely until a clicks is heard After piping connection is completed pull male side piping by hand to make sure that connection does not come loose Check for leakages when recharging refrigerant Refer to HA 19 Leak Test NOTE Refer to CO 9 Refilling VQ37VHR or CO 34 Refilling VK56VD when filling radiator with engine coolant INTAKE DOOR MOTOR INTAKE DOOR MOTOR Removal and Installation REMOVAL
118. IT ASSEMBLY Upper AUTOMATIC AIR CONDITIONING SYSTEM Ventilator Door Motor Passenger Side 18 WITH FOREST AIR Component Description Refrigerant Pressure Sensor 18 AUTOMATIC AIR CONDITIONING SYSTEM SYSTEM konnen 19 WITHOUT FOREST AIR 10 AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Component Parts Lo WITH FOREST AIR 222 2 19 Gallo zt o s std ttt tins 10 AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR System Diagram 19 WITHOUT FOREST AIR Component Descrip AUTOMATIC AIR CONDITIONING SYSTEM 12 WITH FOREST AIR System Description 19 AUTOMATIC AIR CONDITIONING SYSTEM FOREST AIR SYSTEM 13 WITH FOREST AIR Air Flow Control 20 FOREST AIR SYSTEM Component Parts Loca AUTOMATIC AIR CONDITIONING SYSTEM pM 14 WITH FOREST AIR Air Inlet Control 21 FOREST AIR SYSTEM Component Description 15 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Outlet Control 22 BLOWER inui nn 16 AUTOMATIC AIR CONDITIONING SYSTEM BLOWER UNIT Aroma Motor 16 WITH FOREST AIR Compressor Control 22 BLOWER UNIT Blower Motor
119. K MODE DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between mode door motor LH harness connector and ground Mode door motor LH Continuity Connector Terminal 316 with Forest Air 1 317 without Forest Air 2 Ground Not existed Is the inspection result normal YES gt gt GOTOS NO gt gt Repair harness or connector 5 CHECK MODE DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between mode door motor LH harness connector and ground Mode door motor LH Voltage Approx Connector Terminal M316 with Forest Air 1 M317 without Forest Ground OV Air 2 Is the inspection result normal YES gt gt GOTO15 NO gt gt Repair harness or connector MODE DOOR MOTOR DRIVER SIDE Check mode door motor driver side Refer to HAC 125 Component Inspection Motor Is the inspection result normal YES gt gt GOTO7 NO gt gt Replace mode door motor driver side Refer to HAC 209 DOOR MOTOR Removal and Installation CHECK INSTALLATION OF MODE DOOR MOTOR DRIVER SIDE CONTROL LINKAGE Check mode door motor driver side control linkage is properly installed Refer to HAC 209 Exploded View Is the inspection result normal YES gt gt GO TO 15 NO Repair or replace malfunctioning parts Revision 2010 June HAC 123 2011 M37 M56 B2756 2757 B2
120. L t 2 aam JO ON us u 8 98 9 5 ud ss ss ow 8 5 8 uoneoyioedg jeusis 5 I HN M3OPH L OL 3HIM SOIN SdA 20329000 ON 1 WALSAS NINOILIANOO IV OILVINO LOV JCIWA0492GB 2011 M37 M56 HAC 74 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt NOH wo3 s now wos j 5 u3MOd OHINOO FILLOMHL AlddNS H3MOd as z WO3 HO4 AlddNS H3MOd as 1 IWNOIS 43395 3NION3 WO3 230 1 5 4135 AV 13H WO3 SINT NOLLVOINNWWOO WO3 HOLIMS dOLS dN OVE WO Add NS INIT NOLLVOINDIWINOO NYO _______ yosnas fosi OO HLIM HOLIMS 901 ivi 001 LNOHLIM HOLIMS 005 us i NYO 1 9 YOSNAS 3455344 LNVH39IHJ3H wi 5 5534 1 TANA WOd4 FINGOW 10 dwnd 13n4 27 HOLIMS NOLLINDI 5 in ____ _ 5 1 1 og cer 5 11 8 ser Ald
121. M308 without Forest Air 5 Is the inspection result normal YES gt gt 0010 13 gt gt GO 12 12 MODE DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between mode door motor RH harness connector and A C auto amp harness connector Mode door motor RH A C auto amp Continuity Connector Terminal Connector Terminal 307 with Forest Air 4 M308 without Forest M304 71 Existed Air Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 1 3 CHECK MODE DOOR MOTOR PASSENGER SIDE PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between mode door motor RH harness connector and A C auto amp harness connector Mode door motor RH A C auto amp M Continuity Connector Terminal Connector Terminal 307 with Forest Air 5 M308 without Forest 2 M304 79 Existed Air Is the inspection result normal YES gt gt 14 NO Repair harness or connector 1 4 cHECK MODE DOOR MOTOR PASSENGER SIDE PBR Check mode door motor passenger side PBR Refer to HAC 131 Component Inspection PBR Is the inspection result normal YES gt gt GO TO 15 NO gt gt Replace mode door motor passenger side Refer to HAC 209 MODE DOOR
122. MA DIFFUSER CONTROL OPERATION STATUS 1 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between and OFF 2 Perform this operation for 2 sets Visually check that indication of fragrance Leaf scent amp Fragrant wood in display switches alternately NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned OFF once and then is turned ON again Operation direction of motor is switched by turning it ON again after turning it OFF Leaf scent gt Fragrant wood Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation Revision 2010 June HAC 88 2011 M37 M56 ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT AUTO BASIC INSPECTION AUTOMATIC AIR CONDITIONING ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT A C AUTO Descri ption INFOID 0000000006115318 When replacing A C auto amp save or print current vehicle specification with CONSULT III Configuration before replacement BEFORE REPLACEMENT NOTE If READ CONFIGURATION can not be used use the WRITE CONFIGURATION Manual setting after replacing A C auto amp AFTER REPLACEMENT CAUTION When replacing A C auto amp you must perform WRITE CONFIGURATION with CONSULT III Never perform WRITE CONFIGURATION except for new A C auto amp Work
123. MA MOTOR OPERATION 1 Turn ignition switch ON 2 Operate temperature control switch and set the temperature setting to the same level as ambient temper ature 3 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between ON OFF 4 Perform this operation for 2 sets Check by operation sound that aroma motor operates NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned OFF once and then is turned ON again Operation direction of motor is switched by turning in ON again after turning it off Leaf scent lt gt Fragrant wood Is the inspection result normal YES gt gt 7 NO gt gt GO TO 2 2 AROMA MOTOR DRIVE SIGNAL 1 Operate FOREST switch and OFF switch alternately so that aroma diffuser control switches between ON e OFF 2 Check voltage between aroma motor harness connector and ground when this operation is performed for 2 sets NOTE Operation of aroma diffuser control can be checked immediately after FOREST switch is turned off once and then is turned ON again Operation direction of motor is switched by turning in ON again after turning it off Leaf scent lt gt Fragrant wood Revision 2010 June HAC 157 2011 M37 M56 2768 2769 276 AROMA MOTOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Condition Connector Terminal M305 2 Grou
124. MATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Fail safe FOREST AIR SYSTEM FOREST AIR SYSTEM System Diagram FOREST AIR SYSTEM System Description FOREST AIR SYSTEM Air Flow Control Inside Odor Detecting Mechanism FOREST AIR SYSTEM Aroma Diffuser Control FOREST AIR SYSTEM Automatic Defogging ok kt TE FOREST AIR SYSTEM Automatic Intake Control Exhaust Gas Outside Odor Detecting Mecha 8 tre FOREST AIR SYSTEM Breezy Air Control FOREST AIR SYSTEM Plasmacluster Control FOREST AIR SYSTEM Intelligent Key Interlock eere PED OPERATION isis ie AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR eren AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Switch Name and Function 39 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Menu Displayed by Press ing Each AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Revision 2010 June AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Switch Name and ferens MEE 41 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Menu Displayed by Pressing Each Switch 4
125. MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Revision 2010 June HAC 130 2011 M37 M56 B2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Component Inspection Motor INFOID 0000000005905728 1 MODE DOOR MOTOR PASSENGER SIDE 1 Turn ignition switch OFF 2 Disconnect mode door motor RH harness connector 3 Supply mode door motor passenger side terminals with battery voltage and check by visually and opera tion sound that mode door motor passenger side operates Terminal Operation direc H tion 2 VENT 2 1 DEF Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace mode door motor passenger side Refer to HAC 209 MODE DOOR MOTOR Removal and Installation Component Inspection INFOID 0000000005905728 1 MODE DOOR MOTOR PASSENGER SIDE PBR Check resistance between mode door motor passenger side PBR terminals Terminal Resistance 5 with Forest Air 4 Except 0 or 7 without Forest Air Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace mode door motor passenger side Refe
126. MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door motor RH connector 4 Check continuity between upper ventilator door motor RH harness connector and A C auto amp harness connector Upper ventilator door motor RH A C auto amp Continuity Connector Terminal Connector Terminal M311 3 M304 56 Existed Is the inspection result normal YES gt gt GOTO 10 NO gt gt Repair harness or connector 1 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIR CUIT FOR SHORT Check continuity between upper ventilator door motor RH harness connector and ground Upper ventilator door motor RH m Continuity Connector Terminal M311 3 Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 CHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between upper ventilator door motor RH harness connector and ground Upper ventilator door motor RH 12 M311 5 Ground 5V Is the inspection result normal Revision 2010 June HAC 154 2011 M37 M56 2765 B2766 B2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING
127. N INSPECTION 1 PLASMACLUSTER CONTROL Check the ionizer operation sound whirring sound in the duct by putting an ear to the side ventilator grille driver side outlet while pressing fan switch and OFF switch alternately NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corporation Is the inspection result normal YES gt gt GOTO2 NO lonizer system malfunction Refer to HAC 183 Diagnosis Procedure 2 PLASMACLUSTER CONTROL OPERATION STATUS Operate fan switch Visually check that status indicator in display changes in accordance with the following table Fan speed Display ion indicator 2nd CLEAN 5th QUICK CLEAN NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corporation Is the inspection result normal YES gt gt GOTO3 NO gt gt Replace A C auto amp Refer to 201 Removal and Installation 3 CHECK BREEZY AIR CONTROL Place a hand to air outlet Check that breezy air control operates when air outlet is VENT or FOOT mode and temperature in passenger room is stable in the status that fan speed lowers to 3rd speed NOTE Breezy air control does not operate when air outlet is B L Is the inspection result normal YES gt gt GOTO4 NO gt gt Replace A C auto amp Refer to HAC
128. NG SENSOR MR 147 105 DTO Dente ebd 147 DTC T rt 105 Diagnosis Procedure 147 Diagnosis Procedure 105 Component Inspection Motor 150 Component Inspection PBR 151 loge ENSOR ommen io 82765 82766 B2767 UPPER VENTILATOR Diagnosis Procedure 109 DOOR MOTOR PASSENGER SIDE 152 Component Inspection 111 DTO LOGIC tette ete 152 Diagnosis Procedure 152 B2750 B2751 B2752 AIR MIX DOOR MO Component Inspection Motor 155 TOR DRIVER SIDE 112 Component Inspection PBR 156 DTG Eo00le noe tette ets 112 Revision 2010 June HAC 3 2011 M37 M56 B2768 B2769 276 AROMA MOTOR 157 INSUFFICIENT COOLING 196 9l6 tst tnit ete 157 Descriptiori ne epe eene 196 Diagnosis Procedure 157 Diagnosis Procedure 196 Component Inspection Motor 160 Component Inspection 161 INSUFFICIENT HEATING
129. NSULT III screen terms DTC detection condition Possible cause 2759 Mode door motor passenger side PBR feed Mode door motor passenger side back signal voltage is too low Mode door motor passenger side control linkage installation condition B275A PASS MODE DOOR MOT Mode door motor passenger side PBR feed back signal voltage is too high Harness or connectors Stop position of mode door motor passenger The motor circuit is open or short B275B PONES side is malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 127 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure InFo10 0000000005905727 1 MODE DOOR MOTOR PASSENGER SIDE OPERATION 1 Turn ignition switch ON 2 Operate MODE switch driver side and DEF switch NOTE DUAL OFF 3 Check operation sound that mode door motor passenger side operates Is the inspection result normal YES gt gt 8 NO gt gt GO TO 2 2 CHECK MODE DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL 1 Press MODE switch driver side and DEF switch NOTE DUAL OFF 2 Check voltage between mode door motor RH harness connector and ground Revision 2010 June HAC 127 2011 M37 M56
130. Not existed Is the inspection result normal YES gt gt Check ignition power supply circuit Refer to PG 84 Wiring Diagram IGNITION POWER SUP PLY gt gt Repair harness or connector EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Check continuity between exhaust gas outside odor detecting sensor harness connector and ground Exhaust gas outside odor detect ing sensor m Continuity Connector Terminal E74 2 Ground Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR INPUT SIGNAL 1 Connect exhaust gas outside odor detecting sensor connector 2 Turn ignition switch ON 3 Check signal between exhaust gas outside odor detecting sensor harness connector and ground with oscilloscope HAC 106 Revision 2010 June 2011 M37 M56 B262A 262 B2657 B2658 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Exhaust gas outside odor detect Signal ing sensor i Reference value Connector Terminal E74 3 Ground ZJIA1163J NOTE Signal differs depending on measurement environment of the vehicle Is the inspection result normal YES gt gt GOTO7 NO Replace exhaust gas outside odor detecting sen
131. O gt gt Repair harness or connector 3 CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR GROUND SHORT 1 Disconnect following connectors A Air mix door motor LH A Air mix door motor RH ntake door motor door motor RH Rear mode door motor A Upper ventilator door motor 2 Check mode door motor LH harness connector and ground Mode door motor LH Continuity Connector Terminal M317 5 Ground Not existed Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between mode door motor LH harness connector and ground T Voltage Mode door motor LH E Applox Connector Terminal 317 5 Ground Is the inspection result normal YES gt gt GOTO7 NO Repair harness or connector 5 CHECK MODE DOOR MOTOR DRIVER SIDE PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp M Continuity Connector Terminal Connector Terminal M317 7 M304 79 Existed s the inspection result normal YES gt gt 6 NO gt gt Repair harness or connector COMPONENT PARTS Check following parts Air mix door motor dri
132. O TO 9 O cHECK MODE DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect mode door motor RH harness connector and A C auto amp harness connector 3 Check continuity between mode door motor RH harness connector and A C auto amp harness connector Mode door motor RH A C auto amp Continuity Connector Terminal Connector Terminal 307 with Forest Air M308 without Forest Air 3 M394 s Existed Is the inspection result normal YES gt gt GO TO 10 NO gt gt Repair harness or connector 1 MODE DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between mode door motor RH harness connector and ground Mode door motor RH Continuity Connector Terminal 307 with Forest Air M308 without Forest Air 3 Ground Nor existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 cHECK MODE DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY 1 Reconnect A C auto amp harness connector 2 Turn ignition switch ON 3 Check voltage between mode door motor RH harness connector and ground Revision 2010 June HAC 129 2011 M37 M56 2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Mode door motor RH E Voltage Approx Connector Terminal 307 with Forest Air 4 Ground 5V
133. OLD HOT Target air mix door opening angle JMIIA0794GB o is gt 5 E z o n LOW COOLANT TEMPERATURE STARTING CONTROL A C auto amp does not operate bower motor when engine coolant temperature is approximately 37 C 99 F or less for preventing a cold discharged air flow After this gate voltage applied to power transistor gradually and blower motor operates FAN SPEED CONTROL AT DOOR MOTOR OPERATION When mode door motor is activated while air flow is more than the specified value A C auto amp reduces temporarily fan speed so that mode door moves smoothly FAN SPEED CONTROL AT VOICE RECOGNITION WITH NAVI When the voice control voice command switch is operated during air flow automatic control A C auto amp decreases the air flow of the blower motor once and controls the air flow so as not to disturb the voice recogni tion function This control continues while voice recognition function is operating AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Inlet Con trol INFOID 0000000006113225 HAC Intake door automatic control selects FRE 20 80 FRE or REC depending on a target air mix door opening angle Fresh rate 96 RECIRCURATION Cold Target air mix door opening angle Hot JMIIA0770GB AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Outlet Revision 2010 June HAC 29 2011 M37 M56 SYSTEM
134. OTE ON OFF and ON OFF timing of automatic defogging control can be changed by Auto Defogging Sensitivity in Forest Air Setting menu Refer to HAC 48 FOREST AIR SYSTEM Menu Displayed by Pressing Each Switch Automatic defogging control does not operate when ambient temperature is 2 28 F or less FOREST AIR SYSTEM Automatic Intake Control Exhaust Gas Outside Odor De tecting Mechanism INFOID 0000000005905666 DESCRIPTION In addition to air inlet automatic control of automatic air conditioning system A C auto amp controls automati cally air inlet according to signal from exhaust gas outside odor detecting sensor so that unpleasant outside odor does not enter in passenger room OPERATION DESCRIPTION Air inlet switches to recirculation when exhaust gas or outside odor is detected while FOREST switch is ON After that air inlet switches to fresh air intake when exhaust gas or outside odor becomes not detectable Control status is displayed on Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function NOTE Sensitivity of exhaust gas outside odor detecting sensor can be changed by Outside Inside Air Mix in Forest Air Setting menu Refer to HAC 48 FOREST AIR SYSTEM Menu Displayed by Pressing Each Switch Automatic intake control exhaust gas outside odor detecting mechanism does not operate when ambient temperature is 2 C 28 F or less In this case
135. OW CONTROL INSIDE ODOR DETECTING MECHANISM 1 Operate temperature control switch driver side Set temperature to 20 C 68 F 2 Apply cigarette smoke or similar substance to air inlet while fan speed is in 5th or 6th speed status 3 Place a hand to air outlet Check that air flow increases Is the inspection result normal YES gt gt GOTO8 NO Inside odor detecting sensor system malfunction Refer to HAC 179 Diagnosis Procedure INTERIOR AIR JUDGEMENT STATUS 1 Apply cigarette smoke or similar substance to air inlet 2 Visually check that indicator of interior air status in display changes to orange Is the inspection result normal YES gt gt 9 NO Replace A C auto amp Refer to HAC 201 Removal and Installation O cHECK AUTOMATIC DEFOGGING CONTROL 1 Apply vapor to humidity sensor portion 2 Checkthat the operation is in accordance with the following status A Air outlet DEF A Air inlet Fresh air intake Compressor ON Is the inspection result normal YES gt gt GOTO 10 NO gt gt Humidity sensor system malfunction Refer to HAC 162 Diagnosis Procedure 1 AUTOMATIC DEFOGGING CONTROL OPERATION STATUS 1 Apply vapor to humidity sensor portion 2 Visually check that indicator of windshield in display is indicated in white Is the inspection result normal YES gt gt GOTO 11 NO gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation 11
136. OWER UNIT BLOWER UNIT Motor INFOID 0000000005905639 Aroma motor consists of motor that drives door and PBR Potentio Balance Register that detects door posi tion Motor operates aroma door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position B LOW E H U N IT lower M otor INFOID 0000000005905640 Brush motor that rotates coil while brush functions as contact points rsk Motor is adopted for blower motor Rotation speed changes according to Brush Aphis voltage from power transistor direction of coil Magnet Commutator Current JMIIA0793GB BLOWER UNIT Intake Door Motor INFOID 0000000005905641 Intake door motor consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates intake door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position BLOWER UNIT Power Transistor IFOICHOOO0000005805842 Power transistor that uses MOS field effect transistor is adopted for blower motor speed control NOTE MOS field effect transistor is a tra
137. PCS 24 DTC Index Revision 2010 June HAC 64 2011 M37 M56 INFOID 0000000005905680 AUTOMATIC AIR CONDITIONING 60 20 0100 AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM Wiring Diagram Gum T 8 Qa 5 mm Sw Qua ou 9 HOSN3S 22 HOSN3S 494 5 ALIGINAH e o pz e s zi 22 12 02 lt qu Gon Gm Ov oL L 9 Q gt 1 2 2 L E Dm em NON e 804 SSANUVH 80 mm F 663 zn zu en eu D gt 4 1 SS3NUVH 804 STOKED HOSN3S HOISISNVUL 5 oy 1 Qv sen Y3ZINO ece zee 1 ____ E ree SS3NHYH 89d is soron Gm Hamong HE 80d Ge v Cen a r MOOT 3505 6 18 10 NO NO 10 HOLIMS HOLIMS T TES M WALSAS ONINOLLIQNOO HIV OLLWWOLNV 2011 M37 M56 HAC 65 Revision 2010 June m 3 5 GLEN 9 HOLON HOLON YOO XIN AUTOMATIC AIR CONDITIONING pen Zen N o1nv 1 GIAR CI es NO ven lt AN gt Len 909 HOLO3NNOO FENET L
138. PER VENTILATOR DOOR MOTOR Removal and Installation Revision 2010 June HAC 156 2011 M37 M56 2768 2769 276 lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2768 B2769 B276A AROMA MOTOR DTC Logic INFOID 0000000005905746 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure DTC mpm terms DTC detection condition Possible cause B2768 Aroma motor PBR feedback signal voltage is s Aroma m t r too low AIC auto amp 2769 AROMA MOTOR Aroma motor PBR feedback signal voltage is Harness or connectors too high The motor circuit is open or short B276A Stop position of aroma motor is malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 157 Diagnosis Procedure NO INSPECTION END Diagnosis Procedure INFOID O000000005905747 1 ARO
139. PROTECTION CONTROL When intake sensor detects that evaporator fin temperature is 5 C 23 F or less A C auto amp requests ECM to turn compres sor OFF and stops the compressor When the evaporator fin temperature returns to 1 C 34 F or more the compressor is activated 5 23 1 34 Evaporator fin temperature C F JMIIA0771GB OPERATING RATE CONTROL When set temperature is other than fully cold or air outlet is VENT or FOOT A C auto amp controls the compressor activation depending on ambient temperature AIR CONDITIONING CUT CONTROL When the engine is running in excessively high load condition ECM requests IPDM E R to turn air conditioner relay OFF and stops the compressor Refer to EC 48 AIR CONDITIONING CUT CONTROL System Description VQ37VHR or EC 581 AIR CONDITIONING CUT CONTROL System Description VK56VD for details AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Door Control INFOID 0000000006113228 DOOR MOTOR CONTROL The A C auto amp receives data from each sensor Revision 2010 June HAC 30 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING When control signal from A C auto amp is received each door motor of intake air mix driver side and pas senger side mode driver side and passenger side upper ventilator driver side and passenger side and rear mode operates door to the optimum position based on PBR Poten
140. Q CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect power transistor connector 3 Connect A C auto amp connector 4 Check continuity between power transistor harness connector and A C auto amp harness connector Power transistor A C auto amp mE Continuity Connector Terminal Connector Terminal 112 2 66 7 Existed Is the inspection result normal YES gt gt 14 NO Repair harness or connector 1 4 cHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR SHORT HAC 174 Revision 2010 June 2011 M37 M56 BLOWER MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Check continuity between power transistor harness connector and ground Power transistor o Continuity Connector Terminal M112 2 Ground Not existed Is the inspection result normal YES gt gt GO TO 18 NO Repair harness or connector 1 5 CHECK BLOWER MOTOR FEEDBACK SIGNAL Change fan speed from 1 to 7 and check voltage between power transistor harness connector and ground Condition AG auto amip Fan speed manual 1 Terminal VENT mode OFF Battery voltage 1st 10 0 V 2nd 8 3 V M66 6 Ground aie TON 4th 5 7 V 5th 4 3 V 6th 3 0 V 7th 1 0 V Is the inspection result normal YES gt GO TO 18 NO gt gt GO TO 16 1 BLOWER MOTOR FEEDBACK SIGNAL CIRCUIT FOR OPEN
141. R CIRCUIT 2 HAC 105 DTC Logic B2750 DR AIR MIX DOOR MOT HAC 112 DTC Logic B2751 DR AIR MIX DOOR MOT HAC 112 DTC Logic B2752 DR AIR MIX DOOR MOT HAC 112 DTC Logic B2753 PASS AIR MIX DOOR MOT HAC 117 DTC Logic B2754 PASS AIR MIX DOOR MOT HAC 117 DTC Logic B2755 PASS AIR MIX DOOR MOT HAC 117 DTC Logic B2756 DR MODE DOOR MOTOR HAC 122 DTC Logic B2757 DR MODE DOOR MOTOR 122 DTC Logic 2758 DR MODE DOOR MOTOR HAC 122 DTC Logic B2759 PASS MODE DOOR MOT HAC 127 DTC Logic B275A PASS MODE DOOR MOT HAC 127 DTC Logic B275B PASS MODE DOOR MOT HAC 127 DTC Logic B275C INTAKE DOOR MOTOR HAC 132 DTC Logic B275D INTAKE DOOR MOTOR HAC 132 DTC Logic Revision 2010 June HAC 62 2011 M37 M56 lt DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING PU terms Reference B275E INTAKE DOOR MOTOR HAC 132 DTC Logic BESF DR UP VENT DOOR B2760 DR UP VENT DOOR d M B2762 REAR MODE DOOR MOT HAC 147 DTC Logic B2763 REAR MODE DOOR MOT HAC 147 DTC Logic B2764 REAR MODE DOOR MOT HAC 147 DTC Logic B2765 PASS UP VEN DOOR MOT 152 DTC Logic B2766 PASS UP VEN DOOR MOT 152 DTC Logic 82767 PASS UP VEN DOOR HAC 152 DTC Logic B2768 AROMA MOTOR HAC 157 DTC Logic B2769 AROMA MOTOR HAC 157 DTC Logic B276A AROMA
142. Rear Center Side Temperature 18 C 60 F 34 5 34 5 10 0 13 096 8 0 control switch Other than 38 0 38 0 11 0 13 0 driver side 18 60 F Upper DUAL Vent i Rear venti 24 0 24 0 10 0 12 0 19 0 11 0 14 0 14 0 7 0 24 0 22 0 19 0 4 lator Close 52 11 0 12 096 5 0 20 0 22 0 30 0 11 0 m 89 0 2 9 096 7 096 20 096 64 0 1 Air blow is also supplied to front foot until passenger room temperature stabilizes when temperature set ting is other than 18 C 60 F At that time air blowing is the same as 18 C 60 F setting 2 During automatic defogging control Refer to HAC 37 FOREST AIR SYSTEM Automatic Defogging Control AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Temperature Co n t ro INFOID 0000000005905659 When ignition switch is in the ON position A C auto amp always HAC automatically controls temperature regardless of air conditioning operational state A C auto amp calculates the target air mix door opening angle depending on set temperature in vehicle temperature ambient 59 temperature and sunload 9 Air mix door is controlled depending on the comparison of current air mix door opening angle and target air mix door opening angle 2 Regardl
143. Removal and Installation Component Inspection PBR INFOID 0000000005905725 1 MODE DOOR MOTOR DRIVER SIDE PBR Check resistance between mode door motor driver side PBR terminals Terminal Resistance 5 with Forest Air 4 Except 0 or oo 7 without Forest Air Is the inspection result normal YES gt gt INSPECTION END NO Replace mode door motor driver side Refer to HAC 210 AIR MIX DOOR MOTOR Removal and Installation Revision 2010 June HAC 126 2011 M37 M56 B2759 B275A 275 MODE DOOR MOTOR PASSENGER SIDE lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE DTC Logic INFOID 0000000005905726 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 276 are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items DTC CO
144. SE CLOSE FOREST AIR SYSTEM FOREST AIR SYSTEM Aroma Fragrance Intensity Setting InFo10 0000000005905695 DESCRIPTION Amount of fragrance that is supplied to passenger room can be adjusted by aroma diffuser control HOW TO SET With CONSULT III Perform AROMA SETTING or HVAC work support item Work support items Display Setting WEAK Fragrance is decreased from the standard status STRONG Fragrance is increased from the standard status AROMA SETTING NORMAL initial sta Standard status tus FOREST AIR SYSTEM Aroma Fragrance Type Setting INFOID 0000000005905694 DESCRIPTION Revision 2010 June HAC 92 2011 M37 M56 SYSTEM SETTING BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING Type of fragrance that is supplied to passenger room can be selected using aroma diffuser control 00 HOW TO SET 8 With CONSULT III Perform FRAGRANCE SETTING or HVAC work support item Work support items Display Setting initial status 2 kinds of fragrance fragrant wood and leaf scent are used FRAGRANCE SETTING A Only fragrant wood is used B Only leaf scent is used FOREST AIR SYSTEM Air Flow Control Inside Odor Detecting Mechanism Setting INFOID 0000000005905695 DESCRIPTION Setting change of air flow control can be changed by inside odor detecting mechanism HOW TO SET With CONSULT III Perform BLOWER MOTOR SETTING or HVAC work support item
145. TION END Diagnosis Procedure INFOID 0000000006905751 1 INSPECTION START Confirm detected malfunction A or B Refer to HAC 162 DTC Logic Which malfunction is detected A gt gt GO TO 2 B gt gt GO TO 8 2 CHECK HUMIDITY SENSOR GLASS TEMPERATURE SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect humidity sensor connector 3 Turn ignition switch ON 4 Check voltage between humidity sensor harness connector and ground T Humidity sensor 4 Connector Terminal R6 5 Ground 5V Is the inspection result normal YES gt gt GOTO6G NO gt gt GO TO 3 3 CHECK HUMIDITY SENSOR GLASS TEMPERATURE SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between humidity sensor harness connector and A C auto amp harness connector Revision 2010 June HAC 162 2011 M37 M56 B276B 276 B276D HUMIDITY SENSOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Humidity sensor A C auto amp Continuity Connector Terminal R6 5 M67 33 Is the inspection result normal YES gt gt 4 NO gt gt Repair harness or connector 4 CHECK HUMIDITY SENSOR GLASS TEMPERATURE SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between humidity sensor harness connector and ground Connector Terminal Existed Humidity sensor Continuity Connector
146. Terminal R6 5 Is the inspection result normal YES gt gt 5 gt gt Repair harness connector 5 CHECK HUMIDITY SENSOR GLASS TEMPERATURE SENSOR POWER SUPPLY CIRCUIT FOR BAT TERY SHORT Ground Not existed 1 Turn ignition switch ON 2 Check voltage between humidity sensor harness connector and ground 4 m Voltage Humidity sensor Approx Connector Terminal R6 5 Ground OV Is the inspection result normal YES gt gt 15 NO gt gt Repair harness or connector HUMIDITY SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between humidity sensor harness connector and A C auto amp harness connector Humidity sensor A C auto amp Connector Terminal Connector Terminal Continuity R6 6 M67 44 Existed Is the inspection result normal YES gt gt GOTO7 NO Repair harness or connector T CHECK HUMIDITY SENSOR GLASS TEMPERATURE SENSOR Check humidity sensor Refer to HAC 165 Component Inspection Is the inspection result normal YES gt gt GO TO 15 NO Replace humidity sensor Refer to HAC 205 Removal and Installation 8 cHECK HUMIDITY SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect humidity sensor connector HAC 163 Revision 2010 June 2011 M37 M56 B276B 276 B276D HUMIDITY SENSOR DTC CIR
147. Turn ignition switch OFF 2 Disconnect upper ventilator door motor connector 3 Supply upper ventilator door motor terminals with battery voltage and check by visually and operation sound that upper ventilator door motor operates Terminal Operation direction Fn 1 2 Close 2 1 Open Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace upper ventilator door motor Refer toHAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Revision 2010 June HAC 140 2011 M37 M56 B275F 2760 B2761 UPPER VENTILATOR DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Component Inspection PBR INFOID 0000000005905737 1 UPPER VENTILATOR DOOR MOTOR PBR Check resistance between upper ventilator door motor terminals Terminal Resistance Q 3 5 Other than 0 or Is the inspection result normal YES gt gt END NO gt gt Replace upper ventilator door motor Refer toHAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Revision 2010 June HAC 141 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC Log INFOID 0000000006115313 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diag
148. Turn ignition switch OFF 2 Disconnect compressor connector 3 Check continuity between compressor connector terminals Condition Terminals Resistance Temperature C F 2 3 20 68 10 1 11 1 Is the inspection result normal YES gt gt INSPECTION END NO Replace compressor Refer to HA 32 COMPRESSOR Removal and Installation Revision 2010 June HAC 178 2011 M37 M56 INSIDE ODOR DETECTING SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING INSIDE ODOR DETECTING SENSOR Component Function Check INFOID 0000000005905762 1 INSIDE ODOR DETECTING SENSOR FUNCTION 1 Operate fan switch Set fan speed to 7th speed 2 Check that voltage between A C auto amp vehicle side harness connector and body ground changes when cigarette smoke or similar substance is applied to air inlet Voltage A C auto amp Approx Connector Terminal 0 4 8V M67 36 Ground Output voltage differs depending on measurement environment of the vehicle Is the inspection result normal YES gt gt END NO gt gt Refer to HAC 179 Diagnosis Procedure Diagnosis Procedure INFOID 0000000005905763 1 INSIDE ODOR DETECTING SENSOR IGNITION POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect inside odor detecting sensor connector 3 Turn ignition switch ON 4 Check voltage between inside odor detecting sensor harness connector and g
149. VENTILATION HEATER amp AIR CONDITIONER xx HEATER amp AIR CONDITIONING CONTROL SYSTEM CONTENTS AUTOMATIC AIR CONDITIONING HEATER amp COOLING UNIT ASSEMBLY Air Mix Door Motor Driver Side 17 PRECAUTION E OR Eg nf HEATER amp COOLING UNIT ASSEMBLY Air Mix Door Motor Passenger Side 17 PRECAUTIONS e erre cece eere HEATER amp COOLING UNIT ASSEMBLY Aspira Precaution for Supplemental Restraint System TOP a H 17 SRS AIR BAG and SEAT BELT PRE TEN HEATER amp COOLING UNIT ASSEMBLY Mode SIONER iiir der EAT Door Motor Driver Side 17 HEATER amp COOLING UNIT ASSEMBLY Mode SYSTEM DESCRIPTION 4 Door Motor Passenger side 17 COMPONENT PARTS HEATER amp COOLING UNIT ASSEMBLY Rear Mode Door Motor 18 AUTOMATIC AIR CONDITIONING SYSTEM HEATER amp COOLING UNIT ASSEMBLY Upper WITH FOREST AIR 22 Ventilator Door Motor 18 AUTOMATIC AIR CONDITIONING SYSTEM HEATER amp COOLING UNIT ASSEMBLY Upper WITH FOREST AIR Component Parts Location Ventilator Door Motor Driver Side 18 Ne HEATER amp COOLING UN
150. WITH FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Component Parts Revision 2010 June HAC 7 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Locat n INFOID 0000000005905635 JMIIA0763Z2Z Revision 2010 June HAC 8 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING 1 AV control unit 2 IPDM E R 3 ECM Refer to AV 144 Component Parts Refer to 5 5 IPDM E R Compo VQ37VHR Refer to 24 EN Location nent Parts Location GINE CONTROL SYSTEM Com ponent Parts Location VK56VD Refer to EC 548 EN GINE CONTROL SYSTEM Com ponent Parts Location 4 Refrigerant pressure sensor 5 Ambient sensor 6 BCS 4 BODY CONTROL SYS TEM Component Parts Location 7 Combination meter 8 Multifunction switch 9 Display Refer to MWI 6 METER SYSTEM Component Parts Location 10 Sunload sensor 11 Electrical Control Valve 12 Magnet clutch 13 Magnet clutch 14 ECV Electrical Control Valve 15 In vehicle sensor 16 Aspirator 17 Intake sensor 18 Air mix door motor Driver side 19 Rear mode door motor 20 Mode door motor Driver side 21 Upper ventilator door motor Driver side 22 Upper ventilator door motor Passen 23 Mode door motor Passenger side 24 Air mix door motor Passenger side ger side 25 Intake door moto
151. WITHOUT FOREST AIR Intelligent Key Interlock Function INFOIDx000000000611320 DESCRIPTION Setting value of air conditioning system when ignition switch is previously OFF can be memorized for each Intelligent Key Air conditioning system is automatically operated by the setting value NOTE Setting value can be memorized for up to 3 Intelligent Keys Interlock items are as per the following table Operation Conditions AUTO switch ON OFF Setting temperature Setting value Multifunction switch Air flow Setting value Air inlet FRE REC Air outlet VENT B L FOOT D F DEF A C ON OFF Climate menu screen DUAL ON OFF Upper Vent ON OFF Revision 2010 June HAC 33 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Operation Description Memory 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns OFF A C auto amp memorizes setting information setting temperature air inlet status and others of air conditioning system to memory for each Key ID Readout 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns ON A C auto amp operates automatically air conditioning system according to setting inform
152. YES gt gt GOTO3 NO Repair harness or connector 3 CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between intake sensor harness connector and ground Intake sensor Continuity Connector Terminal M314 2 Ground Not existed Is the inspection result normal YES gt gt 4 NO gt gt Repair harness or connector 4 INTAKE SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between intake sensor harness connector and ground Voltage Intake sensor Terminal M314 2 Ground OV Is the inspection result normal YES gt gt 7 NO gt gt Repair harness or connector 5 CHECK INTAKE SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between intake sensor harness connector and A C auto amp harness connector Intake sensor A C auto amp Continuity Connector Terminal Connector Terminal M314 1 M304 79 Existed Is the inspection result normal YES gt gt GOTO6 NO gt gt Repair harness or connector INTAKE SENSOR Check intake sensor Refer to HAC 103 Component Inspection Is the inspection result normal YES gt gt GOTO7 NO Replace intake sensor Refer to HAC 206 Removal and Installation CHECK INTERMITTENT INCIDENT Refer to 38 Inter
153. als Terminals Resistance Q 2 1 3 Other than 0 or Is the inspection result normal YES gt gt INSPECTION END NO Replace aroma motor Refer to HAC 214 Removal and Installation Revision 2010 June HAC 161 2011 M37 M56 276 276 B276D HUMIDITY SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B276B B276C B276D HUMIDITY SENSOR DTC Logic INFOID 0000000005905750 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Items DTC CONSULT III screen terms DTC detection condition Possible cause B276B The humidity sensor glass temperature sen Humidity sensor Sor recognition temperature is too high A A C auto amp B276C HUMIDITY SENSOR The humidity sensor glass temperature sen Harness or connectors Sor recognition temperature is too low The sensor circuit is open or B276D B Communication malfunction of humidity sensor shorted DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE A With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES Refer to HAC 162 Diagnosis Procedure NO gt gt INSPEC
154. and confirm air inlets change Is the inspection result normal YES gt gt GOTOS5S NO Intake door system malfunction Refer to HAC 132 Diagnosis Procedure COMPRESSOR 1 Touch A C Check visually and by sound that the compressor operates 2 Touch again Check that the compressor stops Is the inspection result normal YES gt gt GOTO6 NO gt gt Compressor does not operate Refer to 194 Diagnosis Procedure Revision 2010 June HAC 84 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION AUTOMATIC AIR CONDITIONING 6 cHECK LH RH INDEPENDENT TEMERATURE ADJUSTMENT FUNCTION 1 Operate the temperature control switch driver side Check that the discharge air temperature driver side changes 2 Operate the temperature control switch passenger side Check that the discharge air temperature pas senger side changes 3 Touch DUAL Check that the air temperature setting LH RH is unified to the driver side temperature setting Is the inspection result normal YES gt gt GOTO7 NO Refer to HAC 187 Symptom Table and perform the appropriate diagnosis CHECK WITH TEMPERATURE SETTING LOWERED 1 Operate the compressor 2 Operate the temperature control switch and lower the set temperature to 18 60 F 3 Checkthat the cool air blows from the outlets Is the inspection result normal YES gt gt 8 NO gt gt Insufficient cooling Refer to HAC
155. and ground Sunload sensor Continuity Connector Terminal M46 3 Ground Existed Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between sunload sensor harness connector and ground n Sunload sensor 2 Voltage Approx Connector Terminal M46 3 Ground 0 Is the inspection result normal YES gt gt GOTO7 NO Repair harness or connector SUNLOAD SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between sunload sensor harness connector and A C auto amp harness connector Sunload sensor A C auto amp Continuity Connector Terminal Connector Terminal 1 47 M46 M67 Existed 2 35 Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector SUNLOAD SENSOR Check sunload sensor Refer to HAC 111 Component Inspection Is the inspection result normal YES gt gt GOTO7 NO gt gt Replace sunload sensor Refer to HAC 204 Removal and Installation CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning part
156. ansmits to A C auto amp Sunload sensor FOREST AIR SYSTEM Revision 2010 June HAC 13 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING FOREST AIR SYSTEM Component Parts Location INFOID 0000000005905884 NY 524 I A7 T a ER e s 11 nme SBT p i JMIIA0766ZZ Revision 2010 June HAC 14 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING 1 AV control unit 2 IPDM E R 3 ECM Refer to AV 144 Component Parts Refer to 5 5 IPDM E R Compo VQ37VHR Refer to 24 EN Location nent Parts Location GINE CONTROL SYSTEM Com ponent Parts Location VK56VD Refer to EC 548 EN GINE CONTROL SYSTEM Com ponent Parts Location 4 Exhaust gas outside odor detecting 5 BCM 6 Multifunction switch sensor BCS 4 BODY CONTROL SYSTEM Component Parts Location 7 Display 8 Magnet clutch 9 Magnet clutch 10 lonizer 11 Inside odor detecting sensor 12 Mode door motor Driver side 13 Upper ventilator door motor Driver 14 Upper ventilator door motor Passen 15 Mode door motor Passenger side side ger side 16 Intake door motor 17 Power transistor 18 Blower motor 19 Aroma cartridge 20 Aroma motor 21 A C auto amp 22 Humidity sensor A Compressor VQ37VHR B Compressor VK56VD C Instrument panel assembly is r
157. arts 8 cHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL Operate temperature control switch driver side and check by voltage between A C auto amp harness con nector and ground a Voltage A C auto amp Condition Connector Terminal 18 C 60 F 4V M304 53 Ground Settemperature 056 driver side 32 C 90 F 1V Is the inspection result normal YES gt gt 15 NO gt gt GO TO 9 9 AIR DOOR MOTOR DRIVER SIDE FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect air mix door motor LH harness connector and A C auto amp harness connector 3 Check continuity between air mix door motor LH harness connector and A C auto amp harness connec tor Air mix door motor LH A C auto amp IN Continuity Connector Terminal Connector Terminal M315 3 M304 53 Existed Is the inspection result normal YES 2 GO TO 10 NO Repair harness or connector 1 O cHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between air mix door motor LH harness connector and ground Air mix door motor LH Continuity Connector Terminal M315 3 Ground Not existed Is the inspection result normal YES gt gt GOTO11 NO Repair harness or connector 1 1 CHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR POWER SUPPLY 1 Reconnect A C auto amp harness connector 2 Turn ig
158. ation NO gt gt Repair or replace malfunctioning parts Component Inspection INFOID 0000000005905705 1 CHECK AMBIENT SENSOR 1 Turn ignition switch OFF 2 Disconnect ambient sensor connector HAC 100 Revision 2010 June 2011 M37 M56 B257B B257C AMBIENT SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 3 Check resistance between the ambient sensor terminals Terminal ee Resistance Temperature C F 15 5 12 73 10 14 9 92 5 23 7 80 0 32 6 19 5 41 4 95 10 50 3 99 1 2 15 59 3 24 20 68 2 65 25 77 2 19 30 86 1 81 35 95 1 51 40 104 1 27 45 113 1 07 Is the inspection result normal YES gt gt INSPECTION END NO Replace ambient sensor Refer to HAC 202 Removal and Installation Revision 2010 June HAC 101 2011 M37 M56 B2581 B2582 INTAKE SENSOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2581 B2582 INTAKE SENSOR DTC Logic INFOID 0000000005905706 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Items DTC CONSULT III screen terms DTC detection condition Possible cause The intake sensor recognition temperature is I
159. ation of Key ID that is received NOTE When Intelligent Key interlock function operates Connection with the key has been done is displayed AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Fail safe INFOID 0000000006113281 FAIL SAFE FUNCTION When a communication malfunction between A C auto amp and AV control unit and multifunction switch con tinued for approximately 30 seconds or more control the air conditioning under the following conditions Compressor ON Air outlet AUTO Air inlet FRE Fresh air intake Fan speed AUTO Set temperature Setting before communication malfunction FOREST AIR SYSTEM Revision 2010 June HAC 34 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING FOREST AIR SYSTEM System Diagram INFOID 0000000005905662 7 Upper ventilator Door motor drive signal operation signal Display AIC switch AV C U Voice recognition es 5 operation signal Door motor feedback signal Driver side AIC display display signal signal Upper ventilator door motor Passenger side Door motor drive signal Door motor feedback signal Multifunction A C switch Switch operation signal A C display signal IM Door motor drive signal Mode door motor Driver side Door motor feedback signal Exhaust gas outside odor detecting sensor Door motor drive signal Mode door motor
160. ator door motor RH Terminal 1 M311 E Ground OV Is the inspection result normal YES gt gt 15 NO gt gt Repair harness or connector 6 cHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE Check upper ventilator door motor passenger side Refer to Is the inspection result normal YES gt gt GOTO7 NO gt gt Replace upper ventilator door motor passenger side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE Check upper ventilator door motor passenger side is properly installed Refer to HAC 209 Exploded View HAC 155 Component Inspection Motor HAC 153 Revision 2010 June 2011 M37 M56 2765 2766 B2767 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt 15 NO Repair or replace malfunctioning parts 8 cHECK UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL Check voltage between A C auto amp harness connector and ground when Upper Vent in Climate screen is touched Voltage A C auto amp Condition Terminal ON 304 56 Ground Upper Vent OFF 1V Is the inspection result normal YES gt gt 15 NO gt gt GO TO 9 O cHECK UPPER VENTILATOR DOOR
161. ature of inlet hose and outlet hose of heater 2 Checkthat inlet side of heater core is hot and the outlet side is slightly lower than almost equal to the inlet side CAUTION Always perform the temperature inspection in a short period of time because the engine coolant temperature is very hot Is the inspection result normal YES gt gt GO TO 4 NO Replace heater core Refer to HA 46 HEATER CORE Removal and Installation 4 CHECK AIR LEAKAGE FROM EACH DUCT Check duct and nozzle etc of air conditioning system for air leakage Is the inspection result normal YES gt gt GOTOS5S NO gt gt Repair or replace parts depending on the inspection results 5 CHECK SETTING OF TEMPERATURE SETTING TRIMMER 1 Check setting value of temperature setting trimmer Refer to HAC 91 AUTOMATIC AIR CONDITIONING SYSTEM Temperature Setting Trimmer 2 Check that temperature setting trimmer is set to direction NOTE The control temperature can be set by the temperature setting trimmer 3 Set difference between the set temperature and control temperature to 0 Are the symptoms solved YES gt gt INSPECTION END NO Replace A C auto amp Refer to HAC 201 Removal and Installation Revision 2010 June HAC 197 2011 M37 M56 INTELLIGENT KEY INTERLOCK FUNCTION DOES NOT OPERATE SYMPTOM DIAGNOSIS AUTOMATIC AIR CONDITIONING INTELLIGENT KEY INTERLOCK FUNCTION DOES NOT OPERATE Des
162. atus and others of Forest Air system to memory for each Key ID Readout 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns ON A C auto amp operates automatically Forest Air system according to set ting information of Key ID that is received NOTE When Intelligent Key interlock function operates Connection with the key has been done is displayed Revision 2010 June HAC 38 2011 M37 M56 OPERATION SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING OPERATION AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Switch Name and F n ct n INFOID 0000000006114689 OPERATION AND DISPLAY A C Display State indication display Except for state indication display Status gt Audio OFF f AUTODEF 2 20 0 za 20 0 20 0 777255 2 20 0 JMIIA0772GB Air conditioning system state is indicated on the display When Status on multifunction switch is pressed while air conditioning system is in the ON position the dis play changes to state indication display of air conditioning system When air conditioning system is operated while navigation system or audio system is displayed air conditioning system state is indicated in the lower portion of display for several seconds When MODE switch is presse
163. ayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items ui DTC CONSULT III screen terms DTC detection condition Possible cause Air mix door motor driver side PBR feedback Air mix door motor driver side signal voltage is too low Air mix door motor driver side con trol linkage installation condition A C auto amp Harness or connectors Stop position of air mix door motor driver side The motor circuit is open or short is malfunctioning ed B2750 Air mix door motor driver side PBR feedback DR AIR MIEDOOR MOT signal voltage is too high B2752 DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 112 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID 0000000005905715 1
164. ce malfunctioning parts CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal gt gt Replace A C auto amp Refer to 201 Removal and Installation gt gt Repair or replace malfunctioning parts DOOR MOTOR PBR WITHOUT FOREST AIR DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure NOTE Check this circuit when all DTCs of motor system B2750 B2764 are detected 1 EACH DOOR MOTOR PBR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect mode door motor LH connector 3 Turn ignition switch ON 4 Check voltage between mode door motor LH harness connector and ground T Mode door motor LH E Voltage Applox Connector Terminal M317 5 Ground 5V Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Revision 2010 June HAC 169 2011 M37 M56 POWER SUPPLY AND GROUND CIRCUIT DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Mode door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M317 5 M304 71 Existed Is the inspection result normal YES gt gt GOTO3 N
165. changes to white and automatic defogging operates when windshield fogging is detected JMIIAO781ZZ Automatic intake control exhaust gas outside odor detecting mechanism Display is switched as per the following description depending on ambient air status air inlet status and switching status of recirculation and fresh air intake Ambient air status display 1 is blue while ambient air is in clean status Ambient air status display 1 is orange while ambient air is in dirty Climate gt Forest Air Info status NOTE Ambient air status display is not indicated while air inlet is in man ual control status JMIIA0782ZZ Revision 2010 June HAC 46 2011 M37 M56 OPERATION SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Air inlet status is indicated by an 1 Lower display 2 indi 1 cates air inlet status and control status automatic control manual control Climate gt Forest Air Info BACK Air inlet status Control status Display Automatic control Recirculation Manual operation Manual Mode Automatic control Fresh air intake Manual operation CS Manual Mode JMIIA0782ZZ Breezy air control Animation that is imaged from breezy air 1 is displayed while breezy air control is operated JMIIA0785ZZ Plusmacluster control Plasmacluster ion display is switched as shown in the figure depe
166. control is only for control of automatic air inlet of automatic air conditioning system FOREST AIR SYSTEM 3 Breezy Air Control INFOID 0000000005905669 DESCRIPTION Air conditioning air flow similar to the air flow of a natural breeze is achieved through the random control of air flow switching timing from the upper ventilator and center ventilator OPERATION DESCRIPTION This control automatically operates when FOREST switch is ON air outlet mode is VENT or FOOT and pas senger room temperature is in stable status Control status is displayed on Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function NOTE ON OFF of breezy air control can be changed by Breeze Mode in Forest Air Setting menu Level of breezy air can be selected by Fan Speed Variance in Forest Air Setting menu Refer to HAC 48 FOR EST AIR SYSTEM Menu Displayed by Pressing Each Switch Revision 2010 June HAC 37 2011 M37 M56 HAC SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Breezy air control does not operate when air outlet is B L D F or DEF mode and ambient temperature is 2 C 28 F or less FOREST AIR SYSTEM Plasmacluster Control INFOID 0000000005905688 DESCRIPTION TM Plasmacluster control eliminates microbes and reduces odor interior surface by including high density Plasmacluster ion in air conditioning outlet air flow OPERAT
167. cription Symptom Intelligent Key interlock function does not operate Diagnosis Procedure 1 CHECK DOOR LOCK SYSTEM Check door lock system Refer to DLK 56 Work Flow Is the inspection result normal YES gt gt 2 NO gt gt Repair or replace malfunctioning parts 2 CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Revision 2010 June HAC 198 INFOID 0000000006135082 INFOID 0000000005905777 2011 M37 M56 NORMAL OPERATING CONDITION SYMPTOM DIAGNOSIS NORMAL OPERATING CONDITION Description FOREST AIR SYSTEM AUTOMATIC AIR CONDITIONING INFOID 0000000006134213 Each control of Forest Air system turns OFF automatically when A C auto amp recognizes that ambient tem perature is 2 28 F or less Control Symptom Breezy air control Aroma diffuser control Automatic intake control exhaust gas outside odor detecting mechanism Air flow control inside odor detecting mechanism When Forest Air system is ON FOREST switch indicator lamp turns OFF and control turns OFF When Forest Air system is OFF Control does not turn ON when FOREST switch is pressed Automatic defogging control When Forest Air system is ON FOREST switch indicator lamp and AUTO DE
168. cted using this switch within a range between 18 C 60 F and 32 C 90 F at a rate of 0 5 C 1 0 F per adjustment Temperature control A Press Setting temperature increases switch Passenger side W Press Setting temperature decreases NOTE When air conditioning system is OFF setting temperature can be selected only while air condition ing system status screen only when MODE switch passenger side is pressed is indicated on dis play When DEF mode is ON temperature control switch passenger side is inoperative AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Menu Dis played by Pressing Each Switch INFOID 0000000006 114688 CLIMATE MENU Climate menu screen is displayed when CLIMATE switch of multifunction switch is pressed With NAVI Climate S BACK Front A C DUAL Upper Vent 20 0 777 2 F 20 0 JMIIA0777ZZ Without NAVI AIC DUAL Upper Vent 2o50c o50c JMIIA0779ZZ Revision 2010 June HAC 44 2011 M37 M56 OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Menu Function ON OFF of compressor is selected A C NOTE Selection does not operate when blower motor is OFF ON OFF of LH RH independent function temperature and air outlet is selected NOTE DUAL Setting temperature and outlet for passenger seat is the same as that for driver seat when LH RH independent function is OFF Selection does not operate when blow
169. d while air conditioning system is in the OFF position state indication display is indicated for several seconds A C Controller Multifunction switch JMIIA0773ZZ 1 Temperature control switch Driver 2 switch Driver side 3 switch Passenger side side 4 Temperature control switch Passen 5 CLIMATE switch 6 Intake switch ger side 7 AUTO switch 8 Fan switch 9 OFF switch 10 DEF switch Switch Operation Revision 2010 June HAC 39 2011 M37 M56 OPERATION SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Switch name Function AUTO switch When this switch is pressed switch indicator lamp and AUTO indicator on display and then air con ditioning system starts automatic control NOTE When air inlet is not selected manually air inlet changes to automatic control CLIMATE switch Climate menu is indicated on display when this switch is pressed DEF mode switch indicator lamp changes between lt gt OFF each time this switch is pressed When DEF switch is pressed while air conditioning system is in the ON position When DEF mode turns ON air conditioning system becomes the following status Air flow Automatic control If fan speed other than AUTO is selected before pressing DEF switch fan speed is manual control Air inlet Fresh air intake Air outlet DEF Compressor ON When DEF mode turns OFF air conditioning system status returns
170. dNS H3MOd HOSN3S 9 YOSNAS 1900 oci MOSN3S 1 1 TANA ver 5 H3MOd HOSN3S og cer 5 H3MOd HOSN3S 1 18 ____ __ 001 LNOHLIM ANNOYS HOSN3S 8 ca 001 HLIM ANNOYS HOSN3S ug 601 HOLIMS 315 091 as sc HOLIMS 15 AOSV as sa 2 05 45 NOILISOd vQ3d 1900 92 JINGOW 1oHiNOO 1314 HOLOW lOHINOO JILLOYHL 59 ezi i A 61 AATVA IOMINOO LN3A HilSINVO 9 02 Po NOH Wo a 51 Lo awouowo3 2 5 Y3MOd Tans 1 jo mune uoneouroedg owen jeusis H1 0 H3W 83SS8VIN edAL 4039euu05 A ___ on AM JO uoneoyroedg eue jeusis OL ewen semn TEE 7 NVO 9 H NVO o o _ _ ______ o1 9 2 LNALNO MS IBWOO se INALNO MS IGNOO ve t LNdLNO MS IHWOO 5 LNdLNO MS 18409 HOSN3S 4000 ie _______ 98 _______ 9 62 NOLLVOIJLLN3GI A3 1 uo 9 e
171. dged by A C auto amp can be checked Refer to HAC 62 DTC Index DATA MONITOR Input output signal of A C auto amp can be checked Display item list Monitor item Unit Description COMP REQ SIG On Off Displays A C switch ON OFF status transmitted to other units via CAN communication FAN REQ SIG On Off Displays fan switch ON OFF status transmitted to other units via CAN communication Revision 2010 June HAC 50 2011 M37 M56 DIAGNOSIS SYSTEM HVAC SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Monitor item Unit Description Target discharge air temperature driver side judged by A C auto amp depending on Pel the temperature setting and the value from each sensor PA TARGET C Target discharge air temperature passenger side judged by A C auto amp depending on the temperature setting and the value from each sensor AMB TEMP SEN C 2 value converted from ambient sensor signal received from ambi IN VEH TEMP C In vehicle temperature value converted from in vehicle sensor signal received from in vehicle sensor INT TEMP SEN C Evaporator fin temperature value converted from intake sensor signal received from in take sensor AMB SEN CAL C Ambient temperature value calculated by A C auto amp IN VEH CAL C In vehicle temperature value calculated by A C auto amp INT TEMP CAL
172. door to the optimum position based on PBR Potentio Balance Resistor door position detection signal SWITCHES AND THEIR CONTROL FUNCTIONS NOTE For LH RH independent temperature and air outlet adjustment function construction indicated by broken line as shown in the figure is divided to driver side and passenger side by divider plate 1 Intake door 4 Evaporator 7 Rear air mix door 10 Upper ventilator door driver side passenger side Fresh air 7 7 Upper ventilator Rear foot Revision 2010 June JMIIA0524ZZ 2 n cabin microfilter 3 motor 5 Air mix door driver side passenger 6 Heater core side 8 Rear mode door 9 Defroster door 11 Ventilator door driver side passen 12 Foot door driver side passenger ger side Side m Recirculation air Defroster Ventilator o Foot Rear ventilator 23 2011 M37 M56 SYSTEM DESCRIPTION gt SYSTEM AUTOMATIC AIR CONDITIONING Door position 8 5 8 5 5 5 o E 9 8 8 5 5 8 lt Switch position gt 515 Q D 2 9 o E 8 5 8 8 8 4181 3 8 7 o o 5 2 2
173. driver side PBR terminals Terminal Resistance Q 5 3 Is the inspection result normal YES gt gt INSPECTION END 7 Except 0 or oo NO gt gt Replace air mix door motor driver side Refer to HAC 210 AIR MIX DOOR MOTOR Removal and Installation Revision 2010 June HAC 116 2011 M37 M56 B2753 B2754 B2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 2753 B2754 B2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC Logic INFOID 0000000005905718 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items i DTC CONSULT III screen terms DTC detection condition Possible cause Air mix door motor passenger side PBR feed Air mix door motor passenger side B2753 5 RC back signal voltage is too low
174. e moved D Instrument lower panel LH is re E Left side of heater amp cooling unit as F Right side of heater amp cooling unit moved sembly assembly G Rear side of blower unit H Instrument lower panel RH is re l Front camera finisher is removed moved FOREST AIR SYSTEM Component Description INFOID 0000000005905635 Component parts Description Aroma cartridge generates 2 kinds of aromas leaf scent and fragrant wood Aroma cartridge which have proven relaxing effects Aroma motor Refer to HAC 16 Blower unit Blower motor Refer to HAC 16 Intake door motor Refer to HAC 16 Power transistor Refer to HAC 16 Magnet clutch is the device that drives the compressor with the signal from IPDM E R Compressor Magnet clutch Compressor is driven by the magnet clutch which is magnetized by electric power supply Mode door motor Driver side Mode door motor Passen Heater amp cooling unit as ger side sembly Upper ventilator door mo tor Driver side Refer to HAC 17 Refer to HAC 17 Refer to HAC 18 Upper ventilator door mo tor Passenger side Refer to 18 AV control unit transmits A C switch operation signal to A C auto amp via Av CAN communication line A C auto amp controls Forest Air system by inputting and calculating signals A C auto amp from each sensor and each switch A C auto amp has self diagnosis func tion Diagnosis of Fore
175. e cool ant temperature DR SUNLOAD SEN Ignition switch ON Values depending on sunload driv er side Values depending on sunload pas PASS SUNLOAD SEN Ignition switch ON senger side Values depending on sunload driv DR SUNL SEN CAL Ignition switch ON er side Values depending on sunload pas PASS SUNL SEN CAL Ignition switch ON senger side Active test HVAC test MODE 1 6096 Active test HVAC test MODE 2 6096 Active test HVAC test MODE 3 30 DUTY Engine Run at idle after Active test HVAC test MODE 4 30 warming up Active test HVAC test MODE 5 0 Active test HVAC test MODE 6 0 Active test HVAC test MODE 7 70 Revision 2010 June HAC 54 2011 M37 M56 lt DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING Active test HVAC test MODE 1 4V Active test HVAC test MODE 2 4V Active test HVAC test MODE 3 7V BLOWER MOT VOLT at idle after Active test HVAC test MODE 4 7V Active test HVAC test MODE 5 11 5V Active test HVAC test MODE 6 11 5V Active test HVAC test MODE 7 4V Turn drive wheels and compare CONSULT III value with the speed VEHICLE SPEED Mn ometer indication Equivalent to speedometer reading Values depending on relative hu RELATIVE HUMIDITY Ignition switch ON midity Equivalent to air temperature AIR TEMP Ignit
176. een upper ventilator door motor harness connector and A C auto amp harness con nector Upper ventilator door motor A C auto amp 2 Continuity Connector Terminal Connector Terminal M312 7 M304 71 Existed Is the inspection result normal YES gt gt 15 NO gt gt Repair harness or connector 1 3 CHECK UPPER VENTILATOR DOOR MOTOR PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between upper ventilator door motor harness connector and A C auto amp harness con nector Upper ventilator door motor A C auto amp 2 Continuity Connector Terminal Connector Terminal M312 5 M304 79 Existed Is the inspection result normal YES gt gt GOTO 14 NO gt gt Repair harness or connector 1 4 cHECK UPPER VENTILATOR DOOR MOTOR PBR Check upper ventilator door motor PBR Refer to HAC 141 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 15 NO gt gt Replace upper ventilator door motor Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction parts Component Inspection Motor INFOID 0000000005905736 1 UPPER VENTILATOR DOOR MOTOR 1
177. ent Is the inspection result normal YES gt gt Replace IPDM E R Refer to PCS 33 Removal and Installation NO gt gt Replace the fuse after repairing the applicable circuit Revision 2010 June HAC 186 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING SYMPTOM DIAGNOSIS AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Symptom Table INFOID 0000000005905769 NOTE Perform the self diagnoses with CONSULT III before performing the symptom diagnosis If DTC is detected perform the corresponding diagnosis Symptom Corresponding malfunction part Reference A C system does not activate Power supply and ground circuit of A C auto amp A C auto amp HAC 167 AUTO AMP Diag nosis Procedure A C system cannot be controlled Operation status of air conditioning system is not indicated on display The circuit between multifunction switch and AV control unit The circuit between display and AV control unit Multifunction switch Display AV control unit CAN communication circuit A C auto amp AV 288 Symptom Table Air outlet of driver side does not change Except upper ventilation The mode door motor driver side does not oper ate normally The circuit between mode door mo tor driver side and A C auto amp Mode door motor driver side con trol linkage Mode door motor driver side A C aut
178. ent Inspection PBR INFOID 0000000006115316 1 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR Check resistance between upper ventilator door motor driver side terminals Terminal Resistance 3 4 Other than 0 or Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace upper ventilator door motor driver side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Revision 2010 June HAC 146 2011 M37 M56 B2762 B2763 2764 REAR MODE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING B2762 B2763 B2764 REAR MODE DOOR MOTOR DTC Logic INFOID 0000000005905738 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 276 are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items DTC CONSULT III screen terms DTC detection conditio
179. ept upper ventilation The mode door motor driver side does not oper ate normally The circuit between mode door mo tor driver side and A C auto amp Mode door motor driver side con trol linkage Mode door motor driver side A C auto amp HAC 122 Diagnosis Procedure Air outlet of passenger side does not change Ex cept upper ventilation The mode door motor passenger side does not operate normally The circuit between mode door mo tor passenger side and A C auto amp Mode door motor passenger side control linkage Mode door motor passenger side A C auto amp HAC 127 Diagnosis Procedure Air outlet of rear side does not change The rear mode door motor does not operate nor mally The circuit between rear mode door motor and A C auto amp Rear mode door motor installation condition Rear mode door motor A C auto amp HAC 147 Diagnosis Procedure Upper ventilator door does not change The air mix door motor driver side does not oper ate normally The circuit between upper ventilator door motor and A C auto amp Upper ventilator door motor installa tion condition Upper ventilator door motor A C auto amp HAC 137 Diagnosis Procedure Discharge air temperature of driver side does not change The air mix door motor driver side does not oper ate normally The circuit between air mix door mo tor driver side and A C auto a
180. er RH Plate Rod Heater amp cooling unit assembly Heater door lever LH Plate Mode door link LH Plate Rear mode door motor Intake door link 2 Remove mounting screws and then remove mode door motor 3 Disconnect mode door motor connector INSTALLATION Revision 2010 June HAC 209 REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING INFOID 0000000005905794 JMIIA0676ZZ Plate Ventilator door lever RH Heater door lever Air mix door lever Upper ventilator door motor LH Defroster door lever Mode door motor LH Foot door lever LH Ventilator door link LH Intake door motor INFOID 0000000005905795 HA 45 HEATER amp COOLING UNIT ASSEMBLY 2011 M37 M56 DOOR MOTOR lt REMOVAL INSTALLATION AUTOMATIC AIR CONDITIONING Note the following items install in the reverse order of removal CAUTION Replace O ring with new ones Then apply compressor oil to them when installing Female side piping connection is thin and easy to deform Slowly insert the male side piping straight in axial direction Insert piping securely until a clicks is heard After piping connection is completed pull male side piping by hand to make sure that connection does not come loose Check for leakages when recharging refrigerant Refer to HA 19 Leak Test NOTE Refer to CO 9 Refilling VQ37VHR or CO 34 Refilling VK56VD when filling radiator with engine coolant AIR MIX DOOR MOTOR A
181. er motor is OFF ON lt gt OFF of air blowing from upper ventilator is selected Upper Vent NOTE Selection does not operate when blower motor is OFF and air outlet is DEF FOREST AIR SYSTEM FOREST AIR SYSTEM Switch Name and Function OPERATION AND DISPLAY Forest Air Display Climate Forest Air Info JMIIA0780ZZ Forest Air system state 15 indicated on the display Climate menu is indicated on display when CLIMATE switch of multifunction switch is pressed while FOR EST switch is ON Operation status of Forest Air system is displayed when Forest Air Info is touched Air flow control inside odor detecting mechanism Display is switched as per the following description depending on interior air status Interior air status display 1 is blue while interior air is in clean sta tus Interior air status display 1 is orange while interior air is in dirty status NOTE Interior air status display is not indicated while air inlet is in manual control status JMIIA0784ZZ Aroma diffuser control Display is switched as shown in the figure depending on type of aroma while aroma diffuser operates Revision 2010 June HAC 45 2011 M37 M56 OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Leaf scent 3 JMIIA0522ZZ Fragrant wood Climate gt Forest Air Info BACK JMIIA0523ZZ Automatic defogging control Window portion 1
182. ess of in vehicle temperature ambient temperature and sunload air mix door is fixed at the fully cold position when set Cold Hot temperature is 18 0 C 60 F and at the fully hot position when set A C auto amp calculated temperature temperature is 32 0 C 90 F JPIIAOG33GB AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Intelligent Key In terlock Fu nction INFOID 0000000005905660 DESCRIPTION Setting value of air conditioning system when ignition switch is previously OFF can be memorized for each Intelligent Key Air conditioning system is automatically operated by the setting value NOTE Setting value can be memorized for up to 3 Intelligent Keys Interlock items are as per the following table Operation Conditions AUTO switch ON OFF Setting temperature Setting value Multifunction switch Air flow Setting value Air inlet FRE REC Air outlet VENT B L FOOT D F DEF Revision 2010 June HAC 25 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Operation Conditions A C ON OFF Climate menu screen DUAL ON OFF Upper Vent ON OFF Operation Description Memory 1 Unlock door using Intelligent Key or driver door request switch 2 BOM transmits Key ID signal to A C auto amp via CAN communication line 3 When ignition switch turns OFF A C auto amp memorizes setting information setting temperature air inlet status
183. ess or connector MODE DOOR MOTOR DRIVER SIDE PBR GROUND CIRCUIT Revision 2010 June HAC 168 2011 M37 M56 POWER SUPPLY AND GROUND CIRCUIT lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M316 5 M304 79 Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 cHECK COMPONENT PARTS Check following parts Air mix door motor driver side Refer to HAC 116 Component Inspection PBR Air mix door motor passenger side Refer to HAC 121 Component Inspection PBR Aroma motor Refer to HAC 161 Component Inspection PBR Intake door motor Refer to HAC 136 Component Inspection PBR Mode door motor driver side Refer to HAC 126 Component Inspection PBR Mode door motor passenger side Refer to HAC 131 Component Inspection PBR Rear mode door motor Refer to HAC 151 Component Inspection PBR Upper ventilator door motor driver side Refer to HAC 146 Component Inspection PBR Upper ventilator door motor passenger side Refer to HAC 156 Component Inspection PBR Is the inspection result normal YES gt gt 0 7 NO gt gt Repla
184. et or passenger side ventilator Revision 2010 June HAC 214 2011 M37 M56
185. ew INFOID 0000000005905791 Refer to HA 43 Exploded View Removal and Installation INFOID 0000000005905792 REMOVAL 1 Remove instrument lower panel LH Refer to 13 Removal and Installation 2 Remove aspirator duct and then disconnect harness connector from inside odor detecting sensor 3 Remove clip and then remove inside odor detecting sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 207 2011 M37 M56 EXHAUST GAS OUTSIDE ODOR SENSOR REMOVAL AND INSTALLATION AUTOMATIC AIR CONDITIONING EXHAUST GAS OUTSIDE ODOR SENSOR Removal and Installation INFOID 0000000005905793 REMOVAL 1 Remove air duct Refer to EM 29 Removal and Installation VQ37VHR or EM 184 Removal and Installation VK56VD 2 Remove nuts and then remove exhaust gas outside odor sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 208 2011 M37 M56 DOOR MOTOR Exploded View 10 13 16 19 22 25 28 31 Blower unit Mode door link RH Ventilator door link Air mix door motor Upper ventilator door motor RH Air mix door motor LH Defroster door link Plate Ventilator door lever LH Rear mode door case assembly Intake door lever MODE DOOR MOTOR MODE DOOR MOTOR Removal and Installation REMOVAL 1 Removal and Installation Remove heater amp cooling unit assembly Refer to DOOR MOTOR Mode door motor RH Foot door lev
186. first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Items m DTC CONSULT III screen terms DTC detection condition Possible cause B262A Exhaust gas outside odor detecting sensor duty ratio 15 or less GAS SENSOR Exhaust gas outside odor detect B262B Exhaust gas outside odor detecting sensor ing sensor duty ratio 85 or more A C auto amp Exhaust gas outside odor detecting sensor Harness or connectors B2657 duty ratio 0 The sensor circuit is open or short CAS SENSOR CIRCUIT 2658 Exhaust gas outside odor detecting sensor duty ratio 100 DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT II 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 105 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID O000000005905710 1 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect exhaust gas outside odor detecting sensor connector 3 Turn ignition switch ON 4 Check voltage between exhaust gas outside odor detecting sensor harness and ground Exhaust gas outside odor detect _ Voltage ing sensor Approx Connector Terminal E74 1 Ground Battery voltage Is the ins
187. fuser control Leaf 1 0V 52 Ground motor PBR feedback scent W R signal Ignition switch ON Aroma diffuser control Fra 4 0 V grant wood Ignition switch ON Set temperature 18 60 F 4 0 V 53 Air mix door motor driver DUAL OFF Ground _ Input G side PBR feedback signal Ignition switch ON Set temperature 32 90 F 10V DUAL OFF Ignition switch ON Air outlet VENT 4 0 V 54 Mode door motor driver DUAL OFF Ground _ Input P side PBR feedback signal Ignition switch ON Air outlet DEF 1 0 V DUAL OFF HAC 58 2011 M37 M56 Revision 2010 June Terminal Wire dolor ECU DIAGNOSIS INFORMATION Description A C AUTO AMP Signal name Input Output AUTOMATIC AIR CONDITIONING Condition Reference value Approx 55 UB Ground Intake door motor PBR feed back signal Input Ignition switch ON Air inlet REC 4 0V Ignition switch ON Air inlet FRE 1 0V 56 Y W Ground Upper ventilator door motor passenger side PBR feed back signal Input Ignition switch ON Upper Vent ON 3 0V Ignition switch ON Upper Vent OFF 1 0V 58 P B Ground Rear mode door motor PBR feedback signal Input Ignition switch ON Air outlet VENT DUAL OFF 4 0V Ignition switch ON Air outlet DEF DUAL OFF 1 0V 60 B R Ground Upper ven
188. gt Check ignition power supply circuit Refer to PG 84 Wiring Diagram IGNITION POWER SUP PLY NO gt gt Repair harness or connector 5 CHECK INSIDE ODOR DETECTING SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Check continuity between inside odor detecting sensor harness connector and ground Inside odor detecting sensor IN Continuity Connector Terminal M73 3 Ground Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 cHECK INSIDE ODOR DETECTING SENSOR POWER SUPPLY 1 Turn ignition switch ON 2 Check voltage between inside odor detecting sensor harness connector and ground T Inside odor detecting sensor Voltage Approx Connector Terminal E73 1 Ground 5V Is the inspection result normal YES gt gt GO TO 10 NO gt gt GO TO 7 T CHECK INSIDE ODOR DETECTING SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between inside odor detecting sensor harness connector and A C auto amp harness connector Inside odor detecting sensor A C auto amp EP Continuity Connector Terminal Connector Terminal E73 1 M67 36 Existed Is the inspection result normal YES gt gt GOTO8 NO Repair harness or connector INSIDE ODOR DETECTING SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT Check continuity between inside odor de
189. gt gt Repair harness or connector 1 4 cHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR Check upper ventilator door motor driver side PBR Refer to HAC 146 Component Inspection PBR Is the inspection result normal YES gt gt 15 NO gt gt Replace upper ventilator door motor driver side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction parts Component Inspection Motor InFo10 0000000006115815 1 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE 1 Turn ignition switch OFF 2 Disconnect upper ventilator door motor LH connector 3 Supply upper ventilator door motor driver side terminals with battery voltage and check by visually and operation sound that upper ventilator door motor driver side operates Revision 2010 June HAC 145 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Terminal M Operation direction 1 2 Close 2 1 Open Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace upper ventilator door motor driver side Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation Compon
190. he ambient sensor recognition temperature is The sensor circuit is open or short too low ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 99 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure InFo10 0000000005905704 1 AMBIENT SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect ambient sensor connector 3 Turn ignition switch ON 4 Check voltage between ambient sensor harness connector and ground Voltage Ambient sensor Approx Connector Terminal E76 1 Ground 5V Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between ambient sensor harness connector and A C auto amp harness connector Ambient sensor A C auto amp 21 Continuity Connector Terminal Connector Terminal E76 1 M67 31 Existed Is the inspection result normal Revision 2010 June HAC 99 2011 M37 M56 B257B B257C AMBIENT SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES gt gt GOTO3 NO Repair harness or connector AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR
191. her than driver side 1 eoep 280 380 110 130 DUAL off 3 Rear vent Vent ON 24 0 24 0 10 0 12 0 19 0 11 0 4 lator Close 14 0 14 0 7 0 24 096 22 096 19 0 11 0 12 0 5 0 20 0 22 0 30 0 11 0 89 0 Air blow is also supplied to front foot until passenger room temperature stabilizes when temperature setting is other than 18 60 F At that time air blowing is the same as 18 60 F setting AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Temperature C n t ro INFOID 0000000006113229 When ignition switch is in the ON position A C auto amp always automatically controls temperature regardless of air conditioning operational state A C auto amp calculates the target air mix door opening angle depending on set temperature in vehicle temperature ambient 59 temperature and sunload D Air mix door is controlled depending on the comparison of current air mix door opening angle and target air mix door opening angle 58 Regardless of in vehicle temperature ambient temperature and sunload air mix door is fixed at the fully cold position when set Cold Hot temperature is 18 0 C 60 F and at the fully hot position when set A C auto amp calculated temperature temperature is 32 0 C 90 F S AUTOMATIC AIR CONDITIONING SYSTEM
192. iagno sis function Diagnosis of air conditioning system can be performed quickly BCM transmits key ID signal to auto amp via CAN communication line Display indicates operation status of air conditioning system Display has Display touch panel function that can be used to control air conditioning system ECM ECM controls compressor according to status of engine and refrigerant Engine coolant temperature sensor measures engine coolant temperature Engine coolant temperature sensor This sensor uses thermistor that decreases electrical resistance as temper ature increases In vehicle sensor measures temperature of intake air through aspirator to In vehicle sensor passenger room This sensor uses thermistor that decreases electrical re sistance as temperature increases A C relay is integrated in IPDM E R IPDM E R operates A C relay when A IPDM E R C compressor request signal is received from ECM via CAN communica tion line Multifunction switch integrates A C controller and AV operation switch A C Multifunction switch switch operation signal is transmitted from multifunction switch to AV con trol unit via communication line Refrigerant pressure sensor Refer to HAC 18 Sunload sensor measures sunload amount This sensor is a dual system so that sunload for driver side and passenger side are measured separate ly This sensor converts sunload amount to voltage signal by photodiode and tr
193. in this item tion Plasmacluster is a trademark of Sharp Corpora tion Breezy air control does not operate normally Replace A C auto amp Refer to Operation status of breezy air control is not indicated auto amp HAC 201 Removal and Installa on display Breezy air control is normal tion Automatic intake control exhaust gas outside odor detecting mechanism does not operate normally Power supply system of exhaust gas outside odor detecting sensor The circuit between exhaust gas outside odor detecting sensor and A C auto amp Exhaust gas outside odor detecting sensor A C auto amp HAC 105 Diagnosis Procedure Ambient air status indicator in display does not change from clean status or dirty status Exhaust gas outside odor detecting sensor system is nor mal A C auto amp Replace A C auto amp Refer to HAC 201 Removal and Installa tion Air flow control inside odor detecting mechanism does not operate normally Power supply system of inside odor detecting sensor The circuit between inside odor de tecting sensor and A C auto amp Inside odor detecting sensor A C auto amp HAC 179 Diagnosis Procedure Interior air status indicator in display does not change from clean status or dirty status Inside odor detect ing sensor system is normal A C auto amp Replace A C auto amp Refer to HAC 201 Removal and Installa tion
194. indicated on the display When Status on multifunction switch is pressed while air conditioning system is in the ON position the dis play changes to state indication display of air conditioning system When air conditioning system is operated while navigation system with navi or audio system is displayed air conditioning system state is indicated in the lower portion of display for several seconds When MODE switch is pressed while air conditioning system is in the OFF position state indication display is indicated for several seconds A C Controller Multifunction switch JMIIA0776Z2Z 1 Temperature control switch Driver 2 MODE switch Driver side 3 MODE switch Passenger side side 4 Temperature control switch Passen 5 CLIMATE switch 6 REC switch ger side 7 switch 8 AUTO switch 9 Fan switch 10 OFF switch 11 DEF switch Switch Operation HAC 42 2011 37 56 Revision 2010 June OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Switch name Function When this switch is pressed switch indicator lamp and AUTO indicator on display and then air con ditioning system starts automatic control NOTE When air inlet is not selected manually air inlet changes to automatic control AUTO switch CLIMATE switch Climate menu is indicated on display when this switch is pressed DEF mode switch indicator lamp changes between ON lt gt OFF each time this swi
195. ing parts Component Inspection INFOID 0000000005905752 1 HUMIDITY SENSOR GLASS TEMPERATURE SENSOR 1 Turn ignition switch OFF 2 Disconnect humidity sensor connector 3 Check resistance between humidity sensor terminals Refer to applicable table for normal value HAC 165 Revision 2010 June 2011 M37 M56 276 276 B276D HUMIDITY SENSOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Terminal ee Resistance Temperature C F 15 59 61 10 46 29 5 36 29 0 28 70 5 22 20 10 18 41 5 6 15 14 92 20 12 17 25 10 00 30 8 27 35 6 88 40 5 76 45 4 85 Is the inspection result normal YES gt gt INSPECTION END NO Replace humidity sensor Refer to HAC 205 Removal and Installation Revision 2010 June HAC 166 2011 M37 M56 POWER SUPPLY AND GROUND CIRCUIT DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING POWER SUPPLY AND GROUND CIRCUIT A C AUTO AMP A C AUTO AMP Diagnosis Procedure 1 FUSE Check fuses Nos 3 9 and 19 located in the fuse block J B NOTE Refer to PG 131 Fuse Connector and Terminal Arrangement Is the inspection result normal YES gt gt 2 NO Replace the blown fuse after replacing the applicable circuit 2 CHECK A C AUTO POWER SUPPLY CIRCUIT 1 Turn ignition switch OFF 2 Disconnect the A C auto amp connector 3 Check
196. ion GINE CONTROL SYSTEM Com onent Parts Location VK56VD Refer to EC 548 EN GINE CONTROL SYSTEM Com ponent Parts Location 4 Refrigerant pressure sensor 5 Ambient sensor 6 BCS 4 BODY CONTROL SYS TEM Component Parts Location 7 Combination meter 8 Multifunction switch 9 Display Refer to MWI 6 METER SYSTEM Component Parts Location 10 Sunload sensor 11 ECV Electrical Control Valve 12 Magnet clutch 13 Magnet clutch 14 ECV Electrical Control Valve 15 In vehicle sensor 16 Aspirator 17 Intake sensor 18 Air mix door motor Driver side 19 Rear mode door motor 20 Mode door motor Driver side 21 Upper ventilator door motor 22 Mode door motor Passenger side 23 Air mix door motor Passenger side 24 Intake door motor 25 Power transistor 26 Blower motor 27 A C auto amp A Compressor VQ37VHR B Compressor VK56VD C Lower instrument panel LH is re D Left side of heater amp cooling unit as sembly sembly G Instrument lower panel RH is re moved Right side of heater amp cooling unit as F moved Rear side of blower unit AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Component Descri pti on INFOID 0000000006106575 Component parts Description Blower motor Refer to HAC 16 Blower unit Intake door motor Refer to HAC 16 Power transistor Refer to HAC 16 ECV Electrical Control Valve ECV electrical control valve is installed on the compress
197. ion switch around humidity sensor m 3 Values depending on dew point DEW POINT TEMP Ignition switch ON temperature Pe Equivalent to windshield glass tem GLASS TEMP Ignition switch ON perature GAS SEN LEVEL Ignition switch ON Values depending on contamina tion of ambient air With Forest Air TERMINAL LAYOUT Ue L 112 3 415 16 17 8 9 28120 30 31 32 33 34 35 36 37 51 52 53 54 55 56 5758 59 60 61 62 63 64 65 66 67 68 69 70 13 14 15 t6 17 18 19 1 40 4142 43144 4546 47 48 49 71 72173 74175 7677 78 79 80 81 82 83 84185 86187 88 89 90 JMIIA0535ZZ PHYSICAL VALUES Terminal No Description Wire dolor dd Reference value Condition Signal name Input 9 Output is Ground Battery power supply Input Ignition switch OFF Battery voltage F Ground Ignition power supply Input Ignition switch ON Battery voltage Revision 2010 June HAC 55 2011 M37 M56 AUTO lt ECU DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING Terminal No Description Wire dolor Reference value Condition A Signal name Input PEPER 9 Output Fan speed OFF Battery voltage Fan speed 1st 10 0 V manual Fan speed 2nd 83V manual Ignition fas na 70V manua 6 Blower motor feedback sig switch R Ground I
198. isconnect intake door motor connector 4 Check continuity between intake door motor harness connector and A C auto amp harness connector Intake door motor A C auto amp Continuity Connector Terminal Connector Terminal 1 85 M310 without Forest Air 2 65 M304 Existed 1 85 309 with Forest Air 2 65 Is the inspection result normal YES gt gt 4 NO Repair harness or connector 4 CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between intake door motor harness connector and ground Intake door motor Continuity Connector Terminal 1 M310 without Forest Air B 3 Ground Not existed 309 with Forest Air 5 Is the inspection result normal YES gt gt GOTOS NO gt gt Repair harness or connector INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between intake door motor harness connector and ground Revision 2010 June HAC 133 2011 M37 M56 B275C B275D B275E INTAKE DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Intake door motor Voltage Approx Connector Terminal 1 310 without Forest Air 5 i Ground OV M309 with Forest Air 5 Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector INTAKE DOOR MOTOR
199. itch OFF 2 Disconnect A C auto amp connector 3 Check continuity between rear mode door motor harness connector and A C auto amp harness connec tor Rear mode door motor A C auto amp 2 Continuity Connector Terminal Connector Terminal M318 7 M304 79 Existed Is the inspection result normal YES gt gt GOTO 14 NO gt gt Repair harness or connector 1 4 cHECK REAR MODE DOOR MOTOR PBR Check rear mode door motor PBR Refer to HAC 151 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 15 NO gt gt Replace rear mode door motor Refer to 211 REAR MODE DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunction parts Component Inspection Motor INFOID 0000000005905740 1 REAR MODE DOOR MOTOR 1 Turn ignition switch OFF 2 Disconnect rear mode door motor connector Revision 2010 June HAC 150 2011 M37 M56 2762 B2763 2764 REAR MODE DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 3 Supply rear mode door motor terminals with battery voltage and check by visually and operation sound that rear mode door motor operates Terminal Operation direction 1 2 2 1 Is the
200. ition Status ON On COMP REQ SIG Climate menu OFF Off ON On HEATER FAN SW Blower motor OFF Off Is the inspection result normal YES gt gt GOTOS5S NO gt gt Check CAN communication system Refer to LAN 25 Trouble Diagnosis Flow Chart 5 CHECK IPDM E R INPUT SIGNAL CONSULT III Revision 2010 June HAC 194 2011 M37 M56 COMPRESSOR DOSE DOT OPERATE lt SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 1 Start engine 2 Check AC COMP in DATA MONITOR mode of IPDM E R using CONSULT III Monitor item Condition Status ON On AC COMP REQ Climate menu OFF Off Is the inspection result normal YES gt gt INSPECTION END NO gt gt Check CAN communication system Refer to LAN 25 Trouble Diagnosis Flow Chart Revision 2010 June HAC 195 2011 M37 M56 INSUFFICIENT COOLING SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING INSUFFICIENT COOLING Descri pti INFOID 0000000006115692 Symptom Insufficient cooling No cool air comes out Air flow volume is normal Diagnosis Procedure INFOID 0000000006115665 NOTE Perform self diagnoses with CONSULT III before performing symptom diagnosis If any DTC is detected per form the corresponding diagnosis 1 MAGNET CLUTCH OPERATION Turn ignition switch ON Operate fan switch Touch A C Check that A C indicator turns ON Check visually and by sound that compressor operates T
201. l Ignition switch ON Set temperature 32 90 F 1 0 V e DUAL OFF e Ignition switch ON OV 75 Upper ventilator door motor Upper Vent ON 3 Ground driver side PBR feedback Input GB signal e Ignition switch ON 10V e Upper Vent OFF Ignition switch 30V 75 Upper ventilator door motor Upper Vent ON Ground Input GB PBR feedback signal e Ignition switch ON 10V Upper Vent OFF 79 _ Intake sensor ground Each E _ X W door motor PBR ground Ignition switch ON 12V 80 ventilator door motor Upper Vent OFF gt ON Ground passenger side OPENdrive Output BR W signal Ignition switch ON Upper Vent ON gt OFF Revision 2010 June HAC 60 2011 M37 M56 lt ECU DIAGNOSIS INFORMATION gt Terminal No Wire dolor Description A C AUTO AMP Signal name Input Output AUTOMATIC AIR CONDITIONING Condition Reference value Approx 5 Ground Air mix door motor driver side HOT drive signal Output Ignition switch ON Set temperature 18 60 F 32 C 90 F DUAL OFF 12V Ignition switch ON Set temperature 32 C 90 gt 18 60 F DUAL OFF 0v 82 LG R Ground Aroma motor Leaf scent drive signal Output Ignition switch ON Aroma diffuser control Fra grant woodLeaf scent 12V Ignition switch ON Aroma diffuser control Leaf scent
202. la x el Sls OL 4 OL JHIM WALSAS ONINOLLIQNOO IV OILVIWO LOQV JCIWA0488GB 2011 M37 M56 HAC 70 2010 June ision Rev AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt _________ ________ eee es e 4 52 158 Jo uoneoyioeds jeusis E Econ 981 70799100 SS3NHVH HOd C ON 2039010 lLsLs Lp ____ _ sry ____ _ Se 7 Fco SS3NHVH 92 ESE 4i OA I ii S ele 3 1 ____ __ _ E LN PN BOF SS3NHVH 809 zn 1 1 1 M 1 94M JO 2009 HN S3O0PH1 4019euuog Ss3NuvH God _________________ 1 WALSAS SNINOLLIQNOO IV OILVINO LOV JCIWA0489GB 2011 M37 M56 HAC 71 2010 June ision Rev AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM gt
203. let VENTDEF DUAL OFF 12V Ignition switch ON Air outlet DEF VENT DUAL OFF HAC 61 OV 2011 M37 M56 lt ECU DIAGNOSIS INFORMATION gt 2 Without Forest Air 8 With heated steering wheel Fail safe FAIL SAFE FUNCTION A C AUTO AMP AUTOMATIC AIR CONDITIONING INFOID 0000000005905677 When a communication malfunction between A C auto amp and AV control unit and multifunction switch con tinued for approximately 30 seconds or more control the air conditioning under the following conditions Compressor ON Air outlet AUTO Air inlet FRE Fresh air intake Fan speed AUTO Set temperature Setting before communication malfunction DTC Index INFOID 000000000590567 DIG coer terms 01000 CAN COMM CIRCUIT HAC 94 DTC Logic U1010 CONTROL UNIT CAN HAC 95 DTC Logic B2578 IN VEHICLE SENSOR HAC 96 DTC Logic B2579 IN VEHICLE SENSOR HAC 96 DTC Logic B257B AMBIENT SENSOR HAC 99 DTC Logic B257C AMBIENT SENSOR HAC 99 DTC Logic B2581 INTAKE SENSOR HAC 102 DTC Logic B2582 INTAKE SENSOR HAC 102 DTC Logic 262 GAS SENSOR 2 HAC 105 DTC Logic B262B GAS SENSOR 2 HAC 105 DTC Logic B2630 4 SUNLOAD SENSOR HAC 109 DTC Logic B2631 4 SUNLOAD SENSOR HAC 109 DTC Logic B2657 GAS SENSOR CIRCUIT 2 HAC 105 DTC Logic B2658 GAS SENSO
204. mittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO Repair or replace malfunctioning parts Component Inspection INFOID 0000000005905708 1 INTAKE SENSOR 1 Turn ignition switch OFF 2 Disconnect intake sensor connector Revision 2010 June HAC 103 2011 M37 M56 2581 2582 INTAKE SENSOR AUTOMATIC AIR CONDITIONING DTC CIRCUIT DIAGNOSIS 3 Checkresistance between intake sensor terminals Terminal dd Resistance Temperature C F 15 5 10 92 10 14 8 24 5 23 6 29 0 32 4 85 5 41 3 77 10 50 2 96 1 2 15 59 2 34 20 68 1 87 25 77 1 50 30 86 1 21 35 95 0 99 40 104 0 81 45 113 0 67 Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace intake sensor Refer to Revision 2010 June HAC 206 Removal and Installation HAC 104 2011 M37 M56 B262A 262 B2657 B2658 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING B262A B262B B2657 B2658 EXHAUST GAS OUTSIDE ODOR DETECT ING SENSOR DTC Log INFOID 0000000005905709 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010
205. mmunication line except display and from AV control unit to A C auto amp via CAN com munication A C auto amp sends each indication information to AV control unit via CAN communication AV control unit displays each type of indication information that is received AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Air Flow Co n t ro INFOID 0000000006113224 DESCRIPTION A C auto amp changes gate voltage to power transistor and controls air flow in 31 stages based on target air flow When air flow is to be increased gate voltage to power transistor increases gradually for preventing excessive large amount of air flow Revision 2010 June HAC 28 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING n addition to manual control and automatic control air flow control is consist of low coolant temperature starting control fan speed control at door motor operation and fan speed control at voice recognition with navi AUTOMATIC AIR FLOW CONTROL A C auto amp decides target air flow depending on target air mix door opening angle A C auto amp changes voltage to power transistor gate and controls air flow in 31 stages so that target air flow is achieved When air outlet is VENT or B L the minimum air flow is changed VENT B L mode and depending on sunload sunload Hi a oo VENT B L mode and Except VENT sunload Lo B L mode C
206. mp Air mix door motor driver side con trol linkage Air mix door motor driver side A C auto amp 112 Diagnosis Procedure Discharge air temperature of passenger side does not change The air mix door motor passenger side does not operate normally Revision 2010 June The circuit between air mix door mo tor driver side and A C auto amp Air mix door motor passenger side control linkage Air mix door motor passenger side A C auto amp HAC 190 HAC 117 Diagnosis Procedure 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYMPTOM DIAGNOSIS Symptom Corresponding malfunction part Reference Intake door does not change The intake door motor does not operate normally The circuit between intake door mo tor and A C auto amp Intake door motor control linkage Intake door motor A C auto amp HAC 132 Diagnosis Procedure All door motors do not operate normally Power supply and ground circuit of door motor PBR potentio balance resistor A C auto amp HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure Blower motor operation is malfunctioning Power supply system of blower mo tor The circuit between blower motor and power transistor The circuit between power transistor Blower motor Power transistor A C auto amp HAC 172 Diagnosis
207. n Possible cause Rear mode door motor PBR feedback signal Rear mode door motor B2762 voltage is too low Rear mode door motor installation condition Rear mode door motor PBR feedback signal B2763 REAR MODE DOOR MOT voltage is too high A C auto amp Harness or connectors Stop position of rear mode door motor is mal The motor circuit is open or short B2764 Hin functioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 147 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure inFo10 0000000005905759 1 REAR MODE DOOR MOTOR OPERATION 1 Turn ignition switch ON 2 Operate MODE switch driver side and DEF switch and check by operation sound that rear mode door motor NOTE DUAL OFF Does rear mode door motor operate YES gt gt GOTO8 NO gt gt GO TO 2 2 CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL Check voltage between rear mode door motor harness connector and ground when MODE switch driver side and DEF switch are operated NOTE DUAL OFF Revision 2010 June HAC 147 2011 M37 M56 B2762 B2763 2764 REAR MODE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING js Rear mode door motor Condition
208. n mode door motor RH harness connector and ground Mode door motor RH Voltage Approx Connector Terminal M307 with Forest Air 1 M308 without Forest Ground oV Air 2 Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector MODE DOOR MOTOR PASSENGER SIDE Check mode door motor passenger side Refer to HAC 131 Component Inspection Motor Is the inspection result normal YES gt gt GOTO7 Revision 2010 June HAC 128 2011 M37 M56 2759 B275A B275B MODE DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING NO gt gt Replace mode door motor passenger side Refer to HAC 209 MODE DOOR MOTOR Removal and Installation CHECK INSTALLATION OF MODE DOOR MOTOR PASSENGER SIDE CONTROL LINKAGE Check mode door motor passenger side control linkage is properly installed Refer to HAC 209 Exploded View Is the inspection result normal YES gt gt 15 NO gt gt Repair or replace malfunctioning parts 8 CHECK MODE DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL 1 Operate MODE switch driver side and DEF switch NOTE DUAL OFF 2 Check voltage between A C auto amp harness connector and ground Voltage A C auto amp Condition Approx Connector Terminal VENT 4V M304 Air outlet DEF 1V Is the inspection result normal YES gt gt 15 NO G
209. nd Aroma diffuser Fragrant wood m 8 control Leaf scent Is the inspection result normal YES gt gt GOTO6G NO gt gt GO TO3 AROMA MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect aroma motor connector 4 Check continuity between aroma motor harness connector and A C auto amp harness connector Aroma motor A C auto amp Continuity Connector Terminal Connector Terminal 5 82 M305 M304 Existed 6 62 Is the inspection result normal YES gt gt GOTO4 NO Repair harness or connector 4 AROMA MOTOR DRIVE SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between aroma motor harness connector and ground Aroma motor Continuity Connector Terminal 5 M305 Ground Not existed Is the inspection result normal YES gt gt GOTOS5S NO Repair harness or connector 5 CHECK AROMA MOTOR DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between aroma motor harness connector and ground Voltage Approx Connector Terminal 5 M305 6 Ground OV Is the inspection result normal YES gt gt GOTO 14 NO gt gt Repair harness or connector 6 cHECK AROMA MOTOR Check aroma motor Refer to HAC 160 Component Inspection Motor Is the inspection result normal Revision 2010 June
210. nding on air flow NOTE Plasmacluster ion technology developed by Sharp Corporation is installed in this item Plasmacluster is a trademark of Sharp Corporation When air flow is small 41022 When air flow is large JMIIA0411ZZ Forest Air Controller Multifunction switch Revision 2010 June HAC 47 2011 M37 M56 OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING JMIIA07862Z 1 CLIMATE switch 2 FOREST switch 3 AUTO switch Switch name Function AUTO switch When this switch is pressed AUTO switch indicator lamp AUTO and AUTO DEF on display turn ON and then automatic defogging control starts CLIMATE switch Climate menu is indicated on display when this switch is pressed FOREST switch When this switch is pressed AUTO switch indicator lamp FOREST switch indicator lamp AUTO and AUTO DEF on display turn ON and then Forest Air system starts automatic control FOREST AIR SYSTEM Menu Displayed by Pressing Each Switch INFOID O000000005905675 CLIMATE MENU Climate menu screen is displayed when CLIMATE switch of multi function switch is pressed Climate Forest Forest Air Setting Forest Air Info Upper Vent 20 00 727 8 F 20 0 077422 Revision 2010 June HAC 48 2011 M37 M56 OPERATION SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Menu Function ON OFF of breezy air is selected Breeze M
211. ness connec tor Air mix door motor RH A C auto amp Continuity Connector Terminal Connector Terminal M306 7 M304 71 Existed Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 1 3 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between air mix door motor RH harness connector and A C auto amp harness connec tor Air mix door motor RH A C auto amp Continuity Connector Terminal Connector Terminal M306 5 M304 79 Existed Is the inspection result normal YES gt gt 14 NO Repair harness or connector 1 4 cHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR Check air mix door motor passenger side PBR Refer to HAC 121 Component Inspection PBR Is the inspection result normal YES gt gt GO TO 15 NO gt gt Replace air mix door motor passenger side Refer to 210 AIR MIX DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection Motor INFOID O000000005905720 1 AIR MIX DOOR MOTOR PASSENGER SIDE 1 Turn ignition switch OFF 2 Disconnect air mix do
212. nger side consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates air mix door passenger side and rear air mix door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Aspirator INFOID O000000005905645 The aspirator generates the vacuum by the air blown from the heater a irato Aspi d amp cooling unit and draws the air of the passenger room to the in vehi cle sensor area the aspirator duct lt lt ES RJIA1804E HEATER 4 COOLING UNIT ASSEMBLY Mode Door Motor Driver Side Mode door motor driver side consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates ventilator door driver side foot door driver side and defroster door according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Mode Door Motor Passenger side INFOID 0000000005905647 Mode door motor passenger
213. nition switch ON 3 Check voltage between air mix door motor LH harness connector and ground Voltage Air mix door motor LH Approx Connector Terminal M315 7 Ground 5V Is the inspection result normal YES gt gt GOTO13 NO gt gt GO TO 12 1 2 CHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF Revision 2010 June HAC 114 2011 M37 M56 2750 B2751 2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 2 Disconnect A C auto amp harness connector 3 Check continuity between air mix door motor LH harness connector and A C auto amp harness connec tor Air mix door motor LH A C auto amp IN Continuity Connector Terminal Connector Terminal M315 7 M304 71 Existed Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 1 3 CHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp harness connector 3 Check continuity between air mix door motor LH harness connector and A C auto amp harness connec tor Air mix door motor LH A C auto amp Continuity Connector Terminal M315 5 M304 79 Existed Is the inspection result normal YES gt gt 14 NO gt gt Repair harness or connector 1 4 cHECK AIR MIX DOOR MOTOR DRIVER SIDE PBR Check air mix door motor d
214. nlet is set to fresh air intake FRE when this switch is pressed Press and held for 2 seconds or more intake switch indicator blinks 2 times and air inlet is set to automatic control Intake switch indicator indicates air inlet state during automatic control NOTE Air inlet can be changed when air conditioning system is in the OFF position Air outlet can be changes from VENT B L FOOT D F VENT each time this switch is pressed NOTE Air outlet can be changed when air conditioning system is in the OFF position Automatic air outlet control is released AUTO is not displayed when this switch is pressed while air conditioning system is in automatic control AUTO is displayed FRE switch MODE switch Driver side The system is set to LH RH independent status DUAL displays by operating this switch Air out let of passenger side can be changed without changing air outlet of driver side Air outlet can be changes from VENT B L FOOT VENT each time this switch is pressed MODE switch Passenger NOTE side Air outlet can be changed when air conditioning system is in the OFF position Automatic air outlet control is released is not displayed when this switch is pressed while air conditioning system is in automatic control AUTO is displayed When DEF mode is ON MODE switch passenger side is inoperative When this switch is pressed air condi
215. nosis for DTC 01000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to 167 DOOR MOTOR PBR WITH FOREST Diagnosis Procedure Items m DTC CONSULT III screen terms DTC detection condition Possible cause Upper ventilator door motor driver side Upper ventilator door motor driver Been feedback signal voltage is too low side 7 F Upper ventilator door motor driver Upper ventilator door motor driver side PBR S B2760 DR UP VENT DOOR MOT feedback signal voltage is too high 2 installati n condition A C auto amp Stop position of upper ventilator door motor S Harness OF Connects B2761 up Sur The motor circuit is open or short driver side is malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE EWith CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES Refer to HAC 142 Diagnosis Procedure NO INSPECTION END Diagnosis Procedure INFOID 0000000006115514 1 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE OPERATION 1 Turn ignition switch ON 2 Touch Upper Vent in Climate screen and check
216. nput ON Fan speed 4th V Airinlet manual 5 7 VENT Fan speed 5th 43V manual Fan speed 6th 30V manual Fan speed 7th 10V manual Fan speed OFF OV Fan speed 1st 35V manual Fan speed 2nd 52V manual Ignition Fan speed 3rd 65V 7 Power transistor control si switch manua Ground Power transistor control sig Output ON eosed L nal SEENI 78V Airinlet manual VENT Fan speed 5th 92V manual Fan speed 105 V manual Fan speed 7th 125V manual 10 Ground 11 Input P Output 12 Input _ L CANH Output n Ground ACC power supply Input Ignition switch ACC Battery voltage Ignition switch ON Ground lcontrolyalve Output Active test HVAC test BG control signal MODE 1 SJIA1607E Revision 2010 June HAC 56 2011 M37 M56 lt ECU DIAGNOSIS INFORMATION gt AUTOMATIC AIR CONDITIONING Terminal No Description Wire dolor Reference value Condition Signal name Approx 9 Output V 15 10 20 Humidity sensor SCK sig Input T 5 Ground nal Output Ignition switch ON 0 i gt 20 ms SJIA1453J V 15 10 217 Humidity sensor
217. nsistor for which the gate portion is composed of a metal electrode on an oxide layer of semiconductor Field effect transistor is controlled by voltage while ordinary transistor is con trolled by current Electrode of field effect transistor is called source drain or gate while electrode of ordi nary transistor is called emitter collector or base Power transistor continuously controls voltage to blower motor approximately 0 to 16 V according to gate voltage from A C auto amp Revision 2010 June HAC 16 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING This power transistor does not require a HI relay even when the maximum voltage is applied to blower motor at HI status because voltage drop is nominal HEATER amp COOLING UNIT ASSEMBLY HEATER amp COOLING UNIT ASSEMBLY Air Mix Door Motor Driver Side INFOID 0000000005905643 Air mix door motor driver side consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates air mix door driver side according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Air Mix Door Motor Passenger Side INFOID 0000000005905644 Air mix door motor passe
218. ntake sensor B2981 too high A C auto amp INTAKE SENSOR m Harness or connectors 82582 The intake sensor recognition temperature is The sensor circuit is open or short too low ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 102 Diagnosis Procedure NO gt gt INSPECTION END Diagnosis Procedure INFOID 0000000005905707 1 INTAKE SENSOR POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect intake sensor connector 3 Turn ignition switch ON 4 Check voltage between intake sensor harness connector and ground Voltage Intake sensor Approx Connector Terminal M314 2 Ground 5V Is the inspection result normal YES gt gt GO TOBS5 NO gt gt GO TO 2 2 CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between intake sensor harness connector and A C auto amp harness connector Intake sensor A C auto amp ur Continuity Connector Terminal Connector Terminal M314 2 M304 51 Existed Is the inspection result normal Revision 2010 June HAC 102 2011 M37 M56 2581 B2582 INTAKE SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING
219. o amp 122 Diagnosis Procedure Air outlet of passenger side does not change Ex cept upper ventilation The mode door motor passenger side does not operate normally The circuit between mode door mo tor passenger side and A C auto amp Mode door motor passenger side control linkage Mode door motor passenger side A C auto amp 127 Diagnosis Procedure Air outlet of rear side does not change The rear mode door motor does not operate nor mally The circuit between rear mode door motor and A C auto amp Rear mode door motor installation condition Rear mode door motor A C auto amp HAC 147 Diagnosis Procedure Upper ventilator door driver side does not change The upper ventilator door motor driver side does not operate normally The circuit between upper ventilator door motor driver side and A C auto amp Upper ventilator door motor driver side installation condition Upper ventilator door motor driver side A C auto amp HAC 142 Diagnosis Procedure Upper ventilator door passenger side does not change The upper ventilator door motor passenger side does not operate normally Revision 2010 June The circuit between upper ventilator door motor passenger side and A C auto amp Upper ventilator door motor pas senger side installation condition Upper ventilator door motor pas senger side A C auto amp HAC 187 HA
220. ode NOTE Selection does not operate when FOREST switch is OFF Intensity of breezy air is selected NOTE Selection does not operate when FOREST switch is OFF or breezy air control is OFF Fan Speed Vari ance Balance of automatic intake control exhaust gas outside odor detecting mechanism priority Forest Air Set Outside Inside of fresh air intake or recirculation is selected ting Air Mix NOTE Selection does not operate when FOREST switch is OFF Operation timing of automatic defogging control is adjusted or turned OFF NOTE Selection does not operate when AUTO switch is OFF Auto Defogging Sensitivity ON OFF of aroma diffuser is selected Aroma NOTE Selection does not operate when FOREST switch is OFF Operation status of Forest Air system is indicated Forest Air Info NOTE Selection does not operate when FOREST switch is OFF Revision 2010 June HAC 49 2011 M37 M56 DIAGNOSIS SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING DIAGNOSIS SYSTEM HVAC D esc ri pti n INFOID 0000000005905674 Air conditioning system performs self diagnosis operation check function diagnosis and various settings using diagnosis function of each control unit Diagnostic item ECU CONSULT III Self Diagnostic Result Data Monitor auto amp HVAC Active Test Work support MULTI
221. of aroma diffuser control can be changed by Aroma in Forest Air Setting menu Refer to HAC 48 FOREST AIR SYSTEM Menu Displayed by Pressing Each Switch Revision 2010 June HAC 36 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Details of aroma diffuser control be changed using AROMA SETTING and AROMA DIFFUSER SET TING in WORK SUPPORT mode of CONSULT III Refer to HAC 50 CONSULT III Function e Aroma diffuser control does not operate when ambient temperature is 2 28 F or less FOREST AIR SYSTEM Automatic Defogging Control INFOID 0000000005905665 DESCRIPTION A C auto amp detects fogging on windshield and front side window by calculating dew point temperature from glass temperature passenger room temperature and passenger room humidity that are detected by humidity sensor located on upper windshield Fogging prevention mode fresh air intake compressor ON and mode position DEF automatically operates when fogging is detected Previously dehumidification control continuously operates for preventing fogging Now dehumidification control operates only when it is necessary Excessive dehumidification in passenger room is prevented OPERATION DESCRIPTION This control operates when fogging is detected while AUTO switch is ON Control status is displayed on Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function N
222. on Check INFOID 0000000005905767 1 CHECK MAGNET CLUTCH OPERATION Perform auto active test of IPDM E R Refer to PCS 11 Diaanosis Description Does it operate normally YES gt gt INSPECTION END NO Refer to HAC 186 Diagnosis Procedure Diagnosis Procedure INFOID O000000005905765 1 MAGNET CLUTCH 1 Turn ignition switch OFF 2 Disconnect compressor connector 3 Directly apply the battery voltage to the magnet clutch Check for operation visually and by sound Does it operate normally YES gt gt 2 NO gt gt Replace magnet clutch Refer to HA 33 MAGNET CLUTCH Removal and Installation of Com 2 MAGNET CLUTCH POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect IPDM E R connector 2 Check continuity between compressor harness connector and IPDM E R harness connector Compressor IPDM E R Continuity Connector Terminal Connector Terminal F44 1 E5 8 Existed Is the inspection result normal YES gt gt NO Repair harness and connector 3 CHECK MAGNET CLUTCH POWER SIPPLY CIRCUIT FOR SHORT Check continuity between compressor harness connector and ground Compressor uu Continuity Connector Terminal Ground F44 1 Not existed Is the inspection result normal YES gt gt 4 NO Repair harness and connector 4 CHECK FUSE Check 10 A fuse No 49 located in IPDM E R NOTE Refer to PG 133 Fuse Connector and Terminal Arrangem
223. onnector from humidity sensor 3 Disengage the pawls and then remove humidity sensor INSTALLATION Install in the reverse order of removal Revision 2010 June HAC 205 2011 M37 M56 INTAKE SENSOR lt REMOVALANDINSTALLATION gt AUTOMATIC AIR CONDITIONING INTAKE SENSOR Exp loded View INFOID 0000000005905789 Refer to HA 43 Exploded View Removal and nstal latio n INFOID 0000000005905790 REMOVAL 1 Remove evaporator assembly Refer to HA 45 HEATER amp COOLING UNIT ASSEMBLY Removal and Installation 2 Remove intake sensor from evaporator assembly INSTALLATION Note the following items install in the reverse order of removal CAUTION Replace O ring with new ones Then apply compressor oil to them when installing Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor can be located in the same position Female side piping connection is thin and easy to deform Slowly insert the male side piping straight in axial direction Insert piping securely until a clicks is heard After piping connection is completed pull male side piping by hand to make sure that connection does not come loose Check for leakages when recharging refrigerant Refer to HA 19 Leak Test Revision 2010 June HAC 206 2011 M37 M56 INSIDE ODOR DETECTING SENSOR REMOVAL AND INSTALLATION gt AUTOMATIC AIR CONDITIONING INSIDE ODOR DETECTING SENSOR Exploded Vi
224. or The circuit between blower motor and power transistor The circuit between power transistor Blower motor Power transistor A C auto amp HAC 172 Diagnosis Procedure Compressor does not operate The circuit between magnet clutch and IPDM E R Magnet clutch IPDM E R A C relay The circuit between ECM and refrig erant pressure sensor Refrigerant pressure sensor CAN communication circuit A C auto amp HAC 194 Diagnosis Procedure Insufficient cooling No cool air comes out Air flow volume is normal Magnet clutch control system Drive belt slipping Cooler cycle ECV electrical control valve Air leakage from each duct Temperature setting trimmer HAC 196 Diagnosis Procedure Insufficient heating No warm air comes out Air flow volume is nor mal Engine cooling system Heater hose Heater core Air leakage from each duct Temperature setting trimmer HAC 197 Diagnosis Procedure During compressor operation Cooler cycle HA 30 Symptom Table Noise is heard when the A Mixing any foreign object in blower motor Blower motor fan breakage Blower motor rotation inferiority C system operates During blower motor operation HAC 176 Component Inspection Blower Motor HAC 188 Revision 2010 June 2011 M37 M56 AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR SYMPTOM DIAGNOSIS AUTOMATIC AIR CONDITIONING
225. or and controls it for emitting appropriate amount of refrigerant when necessary Compressor Magnet clutch is the device that drives the compressor with the signal Magnet clutch from IPDM E R Compressor is driven by the magnet clutch which is magnetized by elec tric power supply Air mix door motor Driver side Refer to HAC 17 Air mix door motor Passenger side Refer to HAC 17 Aspirator Refer to HAC 17 Heater amp cooling unit Intake sensor Intake sensor measures evaporator fin temperature This sensor uses ther mistor that decreases electrical resistance as temperature increases assembly Mode door motor Driver side Refer to HAC 17 Mode door motor Passenger side Refer to HAC 17 Rear mode door motor Refer to HAC 18 Upper ventilator door motor Refer to HAC 18 Ambient sensor Ambient sensor measures ambient air temperature This sensor uses ther mistor that decreases electrical resistance as temperature increases control unit Revision 2010 June AN control unit transmits A C switch operation signal to A C auto amp via CAN communication line HAC 12 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING Componentpars Desmpion A C auto amp controls air conditioning system by inputting and calculating A C auto amp signals from each sensor and each switch A C auto amp has self d
226. or motor RH harness connector 3 Supply air mix door motor passenger side terminals with battery voltage and check by visually and oper ation sound that air mix door motor passenger side operates Terminal Operation direc x tion 1 2 Full hot 2 1 Full cold Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace air mix door motor passenger side Refer to 210 AIR MIX DOOR MOTOR Removal and Installation Revision 2010 June HAC 120 2011 M37 M56 B2753 2754 B2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Component Inspection PBR INFOID 0000000005905721 1 AIR MIX DOOR MOTOR PASSENGER SIDE PBR Check resistance between air mix door motor passenger side PBR terminals Terminal Resistance Q 3 5 Except 0 or Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace air mix door motor passenger side Refer to 210 AIR MIX DOOR MOTOR Removal and Installation Revision 2010 June HAC 121 2011 M37 M56 B2756 B2757 B2758 MODE DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING B2756 B2757 B2758 MODE DOOR MOTOR DRIVER SIDE DTC Logic INFOID 0000000005905722 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94
227. ording to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Upper Ventilator Door Motor Driver Side INFOID 0000000005905649 Upper ventilator door motor driver side consists of motor that drives door and PBR Potentio Balance Reg ister that detects door position Motor operates upper ventilator door driver side according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position HEATER amp COOLING UNIT ASSEMBLY Upper Ventilator Door Motor Passenger S INFOID 0000000005905650 Upper ventilator door motor passenger side consists of motor that drives door and PBR Potentio Balance Register that detects door position Motor operates upper ventilator door passenger side according to control signal from A C auto amp PBR Potentio Balance Register transmits PBR feedback signal to A C auto amp according to motor posi tion According to PBR feedback signal A C auto amp monitors that motor is in an appropriate door position Refrigerant Pressure Sensor INFOID 0000000006107072 Description Refrigerant pressure sensor is installed to upper portion of liquid tank The refrigerant pressure sensor con verts high pressure side refrigerant pre
228. osis Procedure COMPRESSOR 1 Touch Check visually and by sound that the compressor operates 2 Touch A C again Check that the compressor stops Is the inspection result normal YES gt gt GOTO6 NO Compressor does not operate Refer to HAC 194 Diagnosis Procedure 6 cHECK LH RH INDEPENDENT TEMERATURE ADJUSTMENT FUNCTION Revision 2010 June HAC 82 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION AUTOMATIC AIR CONDITIONING 1 Operate the temperature control switch driver side Check that the discharge air temperature driver side changes 2 Operate the temperature control switch passenger side Check that the discharge air temperature pas senger side changes 3 Touch DUAL Check that the air temperature setting LH RH is unified to the driver side temperature setting Is the inspection result normal YES gt gt GOTO7 NO gt gt Refer to HAC 187 Symptom Table and perform the appropriate diagnosis T CHECK WITH TEMPERATURE SETTING LOWERED 1 Operate the compressor 2 Operate the temperature control switch and lower the set temperature to 18 C 60 F 3 Checkthat the cool air blows from the outlets Is the inspection result normal YES gt gt 8 NO Insufficient cooling Refer to HAC 196 Diagnosis Procedure TEMPERATURE INCREASE 1 Turn temperature control switch to raise temperature setting at 32 C 90 F 2 Checkthat warm air
229. otor connector 4 Check continuity between upper ventilator door motor harness connector and A C auto amp harness con nector Upper ventilator door motor A C auto amp is Continuity Connector Terminal Connector Terminal M312 3 M304 75 Existed Is the inspection result normal YES gt gt 10 NO gt gt Repair harness or connector 1 UPPER VENTILATOR DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between upper ventilator door motor harness connector and ground Upper ventilator door motor Continuity Connector Terminal M312 3 Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 CHECK UPPER VENTILATOR DOOR MOTOR PBR POWER SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between upper ventilator door motor harness connector and ground Voltage Upper ventilator door motor Connector Terminal M312 7 Ground 5V Is the inspection result normal YES gt gt 13 NO gt gt GO TO 12 1 2 CHECK UPPER VENTILATOR DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF Revision 2010 June HAC 139 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 2 Disconnect A C auto amp connector 3 Check continuity betw
230. ouch A C again Check that A C indicator turns OFF Check that compressor stops Is the inspection result normal YES gt gt 2 NO gt gt Perform diagnosis of COMPRESSOR DOSE NOT OPERATE in SYMPTOM DIAGNOSIS Refer to HAC 194 Diagnosis Procedure 2 CHECK DRIVE BELT Check tension of drive belt Refer to EM 22 Checking VQ37VHR or EM 175 Checking VK56VD Is the inspection result normal YES gt gt GOTO3 NO Adjust or replace drive belt depending on the inspection results Q CHECK REFRIGERANT CYCLE PRESSURE Connect recovery recycling recharging equipment to the vehicle and perform pressure inspection with gauge Refer to HA 28 Trouble Diagnosis For Unusual Pressure Is the inspection result normal YES gt gt GOTO4 NO Repair or replace parts depending on the inspection results 4 CHECK AIR LEAKAGE FROM EACH DUCT Check duct and nozzle etc of the air conditioning system for leakage Is the inspection result normal YES gt gt GOTOS5S NO gt gt Repair or replace parts depending on the inspection results 5 CHECK SETTING OF TEMPERATURE SETTING TRIMMER 1 Check setting value of temperature setting trimmer Refer to HAC 91 AUTOMATIC AIR CONDITIONING SYSTEM Temperature Setting Trimmer 2 Check that temperature setting trimmer is set to direction NOTE The control temperature can be set with the setting of the temperature setting trimmer 3 Set difference between set temperatu
231. ound 5V Is the inspection result normal YES gt GO TOBS5 NO gt gt GO TO 2 2 EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between mode door motor LH harness connector and A C auto amp harness connector Mode door motor LH A C auto amp net Continuity Connector Terminal Connector Terminal M316 4 M304 71 Existed Is the inspection result normal YES gt gt GOTO3 NO gt gt Repair harness or connector 3 CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR GROUND SHORT 1 Disconnect following connectors Air mix door motor LH A Air mix door motor RH Aroma motor ntake door motor Mode door motor RH Rear mode door motor Upper ventilator door motor LH Upper ventilator door motor RH 2 Check mode door motor LH harness connector and ground Mode door motor LH Continuity Connector Terminal M316 4 Ground Not existed Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between mode door motor LH harness connector and ground Voltage Mode door motor LH E Applox Connector Terminal 316 4 Ground ov Is the inspection result normal YES gt gt GOTO7 NO gt gt Repair harn
232. pection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 FUSE 1 Turn ignition switch OFF 2 Check 10 fuse No3 located in fuse block J B NOTE Refer to PG 132 Fuse and Fusible Link Arrangement Revision 2010 June HAC 105 2011 M37 M56 B262A 262 B2657 B2658 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Is the inspection result normal YES 5 GOTO3 NO Replace blown fuse after repairing the affected circuit if a fuse is blown 3 CHECK EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect fuse block J B connector 2 Check continuity between exhaust gas outside odor detecting sensor harness connector and fuse block J B connector Exhaust gas outside odor detect Fuse block J B ing sensor Continuity Connector Terminal Connector Terminal E74 1 E103 4F Existed Is the inspection result normal YES gt gt GOTO4 NO Repair harness or connector 4 CHECK EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR POWER SUPPLY CIRCUIT FOR GROUND SHORT 1 Disconnect exhaust gas outside odor detecting sensor connector ionizer connector ECV connector and A C auto amp connector 2 Check continuity between exhaust gas outside odor detecting sensor harness connector and ground Exhaust gas outside odor detect ing sensor Ex Continuity Connector Terminal E74 1 Ground
233. peration sound that intake door motor operates Terminal Operation direc _ tion 2 2 1 Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace intake door motor Refer toHAC 210 INTAKE DOOR MOTOR Removal and Installa tion Component Inspection PBR INFOID G000000005905733 1 CHECK INTAKE DOOR MOTOR PBR Check resistance between intake door motor terminals Resistance Terminal Approx 7 without forest A C Except 0 or 5 with forest A C Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace intake door motor Refer toHAC 210 INTAKE DOOR MOTOR Removal and Installa tion Revision 2010 June 136 2011 37 56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DTC Logic INFOID 0000000005905734 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Items
234. r 1 M312 2 Ground OV Is the inspection result normal YES gt gt GO TO 15 NO Repair harness or connector 6 cHECK UPPER VENTILATOR DOOR MOTOR Check upper ventilator door motor Refer to Is the inspection result normal YES gt gt NO gt gt Replace upper ventilator door motor Refer to HAC 211 UPPER VENTILATOR DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF UPPER VENTILATOR DOOR MOTOR Check upper ventilator door motor is properly installed Refer to 209 Exploded View Is the inspection result normal YES gt gt GO TO 15 NO Repair or replace malfunctioning parts HAC 140 Component Inspection Motor Revision 2010 June HAC 138 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 8 cHECK UPPER VENTILATOR DOOR MOTOR PBR FEEDBACK SIGNAL Check voltage between A C auto amp harness connector and ground when Upper Vent in Climate screen is touched Voltage A C auto amp Condition Approx Connector Terminal ON 304 75 Ground Upper Vent OFF 1V Is the inspection result normal YES gt gt 15 NO GO TO 9 O cHECK UPPER VENTILATOR DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door m
235. r O cuHECK AROMA MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between aroma motor harness connector and ground Aroma motor Continuity Connector Terminal M305 2 Ground Not existed Is the inspection result normal YES 2 GO TO 10 NO Repair harness or connector 1 O cHECK AROMA MOTOR PBR POWER SUPPLY 1 Connect A C auto amp connector 2 Turn ignition switch ON 3 Check voltage between aroma motor harness connector and Ground Voltage Aroma motor Approx Terminal Revision 2010 June HAC 159 2011 M37 M56 Connector B2768 2769 276 AROMA MOTOR DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt 12 NO gt gt GO TO 11 11 AROMA MOTORPBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between aroma motor harness connector and A C auto amp harness connector Aroma motor A C auto amp m Continuity Connector Terminal Connector Terminal M305 3 M304 71 Existed Is the inspection result normal YES gt gt GOTO 14 NO gt gt Repair harness or connector 1 2 cHECK AROMA MOTOR PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between aroma motor harness connector and A C auto amp harness connector Aroma motor
236. r 26 Power transistor 27 Blower motor 28 A C auto amp A Compressor VQ37VHR B Compressor VK56VD C Lower instrument panel LH is re moved D Left side of heater amp cooling unit as E Right side of heater 8 cooling unitas F Rear side of blower unit sembly sembly Instrument lower panel RH is moved AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Component De SC ri pt INFOID 0000000005905636 Component parts Description Blower motor Refer to HAC 16 Blower unit Intake door motor Refer to 16 Power transistor Refer to HAC 16 ECV Electrical Control Valve ECV electrical control valve is installed on the compressor and controls it for emitting appropriate amount of refrigerant when necessary Compressor Magnet clutch is the device that drives the compressor with the signal from IPDM E R 9 Compressor is driven by the magnet clutch which is magnetized by elec tric power supply Revision 2010 June HAC 9 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION gt Component parts AUTOMATIC AIR CONDITIONING Description Air mix door motor Driver side Refer to HAC 17 side Air mix door motor Passenger Refer to HAC 17 Aspirator Refer to HAC 17 Intake sensor Intake sensor measures evaporator fin temperature This sensor uses ther mistor that decreases electrical resistance as temperature increases Heater amp cooling unit
237. r replace malfunctioning parts 8 cHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL Check voltage between A C auto amp harness connector and ground when Upper Vent in Climate screen is touched Voltage A C auto amp Condition Terminal ON 304 75 Ground Upper Vent OFF 1V Is the inspection result normal YES gt gt 15 NO gt gt GO TO 9 O cHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Disconnect upper ventilator door motor LH connector 4 Check continuity between upper ventilator door motor LH harness connector and A C auto amp harness connector Upper ventilator door motor LH A C auto amp Continuity Connector Terminal Connector Terminal M313 3 M304 75 Existed Is the inspection result normal YES gt gt GOTO 10 NO gt gt Repair harness or connector 1 0 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between upper ventilator door motor LH harness connector and ground Upper ventilator door motor LH m Continuity Connector Terminal M313 3 Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 CHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE PBR POWER
238. r side Refer to VTL 6 System Description 2 Operate MODE switch passenger side and the DEF switch Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets passenger side Refer to 6 Sys tem Description 3 Press CLIMATE switch The Climate menu screen is indicated on display 4 Touch DUAL Check that the air outlet setting LH RH is unified to the driver side air outlet setting Is the inspection result normal YES gt gt GOTO3 NO gt gt Refer to HAC 187 Symptom Table and perform the appropriate diagnosis DISCHRGE AIR UPPER VENT 1 Press MODE switch to set the air outlet to other than D F or DEF 2 Touch Upper Vent Check that air flow blows from upper ventilator 3 Touch Upper Vent again Check that air flow from upper ventilator stops Is the inspection result normal YES gt gt GOTO4 NO Refer to HAC 187 Symptom Table and perform the appropriate diagnosis 4 CHECK INTAKE AIR 1 Press intake switch to set the air inlet to recirculation The intake switch indicator turns ON 2 Listen to intake sound and confirm air inlets change 3 Press intake switch again to set the air inlet to fresh air intake The intake switch indicator turns OFF 4 Listen to intake sound and confirm air inlets change Is the inspection result normal YES gt gt GOTOS5S NO Intake door system malfunction Refer to HAC 132 Diagn
239. r to HAC 210 AIR MIX DOOR MOTOR Removal and Installation Revision 2010 June HAC 131 2011 M37 M56 275 B275D B275E INTAKE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING B275C B275D B275E INTAKE DOOR MOTOR DTC Logic INFOID 0000000005905730 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic If All of door motors DTC B2750 B276A are detected check door motor PBR power supply and ground circuit Refer to HAC 167 DOOR MOTOR PBR WITH FOREST AIR Diagnosis Procedure With Forest Air If All of door motors DTC B2750 B2764 are detected check door motor PBR power supply and ground circuit Refer to HAC 169 DOOR MOTOR PBR WITHOUT FOREST AIR Diagnosis Procedure Without Forest Air Items i DTC CONSULT III screen terms DTC detection condition Possible cause Intake door motor PBR feedback signal voltage Intake door motor is too low Intake door motor control linkage installation condition A C auto amp B275C 2750 INTAKE DOOR MOTOR Intake door motor PBR feedback signal voltage is too high Harness or connectors Stop position of intake door motor is malfunc The motor circuit is open or short B275E P R tioning ed
240. r ventilator door motor pas B2769 PBR feedback signal voltage is too low senger side B2766 Upper ventilator door motor passenger side Upper 2 Hou PASS UP VEN DOOR MOT PBR feedback signal voltage is too high A D 2 Stop position of upper ventilator door motor or connectors B2767 pp eda e The motor circuit is open or short passenger side is malfunctioning ed DTC CONFIRMATION PROCEDURE 1 PERFORM DTC CONFIRMATION PROCEDURE A With CONSULT III 1 Turn ignition switch ON 2 Select Self Diagnostic Result mode of HVAC using CONSULT III 3 Check DTC Is DTC detected YES gt gt Refer to HAC 152 Diagnosis Procedure NO INSPECTION END Diagnosis Procedure INFOID 2000000006107065 1 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE OPERATION 1 Turn ignition switch ON 2 Touch Upper Vent in Climate screen and check by operation sound that upper ventilator door motor passenger side operates Does upper ventilator door motor passenger side operate YES gt gt GOTO8 NO GO TO 2 2 UPPER VENTILATOR DOOR MOTOR PASSENGER SIDE DRIVE SIGNAL Check voltage between upper ventilator door motor RH harness connector and ground when Upper Vent in Climate screen is touched T Upper ventilator door motor RH Condition Voltage Approx Connector Terminal 1 ON OFF M311 Ground Upper Vent 12V 2 OFF gt ON
241. re and control temperature to O Is inspection result normal YES gt gt INSPECTION END NO gt gt Replace A C auto amp Refer to 201 Removal and Installation Ogre cc Revision 2010 June HAC 196 2011 M37 M56 INSUFFICIENT HEATING SYMPTOM DIAGNOSIS gt AUTOMATIC AIR CONDITIONING INSUFFICIENT HEATING D e SC ri pt n INFOID 0000000006115694 Symptom Insufficient heating No warm air comes out Air flow volume is normal Diagnosis Procedure INFOID 0000000006115695 NOTE Perform self diagnoses with on board diagnosis and CONSULT III before performing symptom diagnosis If DTC is detected perform the corresponding diagnosis 1 COOLING SYSTEM 1 Check engine coolant level and check for leakage Refer to CO 8 Inspection VQ37VHR or CO 33 Inspection VK56VD 2 Check reservoir tank cap Refer to CO 8 Inspection VQ37VHR or CO 33 Inspection VK56VD 3 Check water flow sounds of the engine coolant Refer to CO 9 Refilling VQ37VHR or CO 34 Refill ing VK56VD Is the inspection result normal YES gt gt 2 NO Refill engine coolant and repair or replace parts depending on the inspection results 2 HEATER HOSE Check installation of heater hose by visually or touching Is the inspection result normal YES gt gt GOTO3 NO gt gt Repair or replace parts depending on the inspection results 3 CHECK HEATER CORE 1 Check temper
242. river side PBR Refer to HAC 116 Component Inspection PBR Is the inspection result normal YES gt gt GO TO 15 NO gt gt Replace air mix door motor driver side Refer to HAC 210 AIR MIX DOOR MOTOR Removal and Installation 1 5 CHECK INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection Motor Connector Terminal INFOID 0000000005905716 1 AIR MIX DOOR MOTOR DRIVER SIDE 1 Turn ignition switch OFF 2 Disconnect the air mix door motor LH harness connector 3 Supply air mix door motor driver side terminals with battery voltage and check by visually and operation sound that air mix door motor driver side operates Terminal Operation direc tion 1 2 Full hot 2 1 Full cold Is the inspection result normal YES gt gt INSPECTION END NO Replace air mix door motor driver side Refer to HAC 210 AIR MIX DOOR MOTOR Removal and Installation HAC 115 Revision 2010 June 2011 M37 M56 B2750 2751 B2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Component Inspection PBR INFOID 0000000005905717 1 AIR MIX DOOR MOTOR DRIVER SIDE PBR Check resistance between air mix door motor
243. rminal M109 1 Is the inspection result normal YES gt gt 7 NO gt gt GO TO 2 2 CHECK FUSE 1 Turn ignition switch OFF 2 Check 15 A fuses Nos 21 and 22 located in fuse block J B NOTE Refer to PG 131 Fuse Connector and Terminal Arrangement Is the inspection result normal YES gt gt NG Replace the fuse after repairing the applicable circuit 3 CHECK BLOWER MOTOR POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect fuse block J B connector 2 Check continuity between blower motor harness connector and fuse block J B harness connector Ground Battery voltage Blower motor Fuse block J B mE Continuity Connector Terminal Connector Terminal 3A M109 1 M1 __ Existed 8A Is the inspection result normal YES gt gt GOTO4 NO gt gt Repair harness or connector 4 CHECK BLOWER MOTOR POWER SUPPLY CIRCUIT FOR SHORT Check continuity between blower motor harness connector and ground Blower motor Continuity Connector Terminal M109 1 Is the inspection result normal YES gt gt GOTOS5S NO Repair harness or connector BLOWER RELAY GROUND CIRCUIT Ground Not existed 1 2 Disconnect fuse block J B connector Check continuity between fuse block J B harness connector and ground Revision 2010 June HAC 172 2011 M37 M56 BLOWER MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING F
244. round Inside odor detecting sensor Voltage Connector Terminal M73 4 Ground Battery voltage Is the inspection result normal YES gt gt GOTOS5S NO gt gt GO TO 2 2 CHECK FUSE 1 Turn ignition switch OFF 2 10 A fuse No 3 located in fuse block J B NOTE Refer to PG 131 Fuse Connector and Terminal Arrangement Is the inspection result normal YES gt gt GOTO3 NO Replace the fuse after replacing the applicable circuit 3 CHECK INSIDE ODOR DETECTING SENSOR IGNITION POWER SUPPLY CIRCUIT FOR OPEN 1 Disconnect fuse block J B connector 2 Check continuity between inside odor detecting sensor harness connector and fuse block J B harness connector Inside odor detecting sensor Fuse block J B PNE Continuity Connector Terminal Connector Terminal M73 4 M1 2A Existed Is the inspection result normal Revision 2010 June HAC 179 2011 M37 M56 INSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING YES gt gt 4 NO Repair harness or connector 4 CHECK INSIDE ODOR DETECTING SENSOR IGNITION POWER SUPPLY CIRCUIT FOR SHORT 1 Disconnect compressor connector A C auto amp connector and ionizer connector 2 Check continuity between inside odor detecting sensor harness connector and ground Inside odor detecting sensor Continuity Connector Terminal M73 4 Ground Not existed Is the inspection result normal YES gt
245. s HAC 110 Revision 2010 June 2011 M37 M56 2630 2631 SUNLOAD SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Component Inspection INFOID 0000000005905713 1 SUNLOAD SENSOR 1 Turn ignition switch OFF 2 Disconnect sunload sensor connector 3 Checkresistance between the sunload sensor terminals Condition Terminal Resistance Sunload amount kW m kcal m h 0 More than 17000 0 233 200 59 9 0 465 400 49 9 1 Passenger 0 698 600 39 9 side 3 2 Driver side 0 770 662 36 8 0 930 800 29 9 1 163 1 000 19 9 1 396 1 200 9 8 NOTE When checking indoors use a lamp of approximately 60 W Move the lamp towards and away from the sensor to check The sunload amount produced by direct sunshine fair weather is equivalent to approximately 0 77 kW m 662 kcal m h Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace sunload sensor Refer to HAC 204 Removal and Installation Revision 2010 June HAC 111 2011 M37 M56 B2750 B2751 B2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2750 B2751 B2752 AIR MIX DOOR MOTOR DRIVER SIDE DTC Logic INFOID 0000000005905714 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displ
246. s or connector 1 3 CHECK INTAKE DOOR MOTOR PBR FEEDBACK PBR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between intake door motor harness connector and A C auto amp harness connector Intake door motor A C auto amp Continuity Connector Terminal Connector Terminal M310 without Forest Air 7 M304 79 Existed M309 with Forest Air 5 Is the inspection result normal YES gt gt GOTO14 NO gt gt Repair harness or connector HAC 135 Revision 2010 June 2011 M37 M56 275 B275D B275E INTAKE DOOR MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 1 4 cuECK INTAKE DOOR MOTOR PBR Check intake door motor PBR Refer to HAC 136 Component Inspection PBR Is the inspection result normal YES gt gt GOTO 15 NO gt gt Replace intake door motor Refer to HAC 210 INTAKE DOOR MOTOR Removal and Installa tion 1 5 INTERMITTENT INCIDENT Refer to GI 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection Motor INFOID 0000000005905732 CHECK INTAKE DOOR MOTOR 1 Turn ignition switch OFF 2 Disconnect intake door motor connector 3 Supply intake door motor terminals with battery voltage and check by visually and o
247. sor Refer to HAC 208 Removal and Installa tion CHECK EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR INPUT SIGNAL CIRCUIT FOR OPEN Turn ignition switch OFF Disconnect exhaust gas outside odor detecting sensor connector and A C auto amp connector Check continuity between exhaust gas outside odor detecting sensor harness connector and A C auto amp connector Coin Exhaust gas outside odor detect AIC auto amp ing sensor Continuity Connector Terminal Connector Terminal E74 3 M67 30 Existed Is the inspection result normal YES gt gt GOTO8 NO gt gt Repair harness or connector 8 CHECK EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR INPUT SIGNAL CIRCUIT FOR GROUND SHORT Check continuity between exhaust gas outside odor detecting sensor harness connector and ground Exhaust gas outside odor detect ing sensor Continuity Connector Terminal E74 3 Ground Not existed Is the inspection result normal YES GO TOO NO Repair harness or connector O cuECK EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR INPUT SIGNAL CIRCUIT FOR BAT TERY SHORT Check voltage between exhaust gas outside odor detecting sensor harness and ground Revision 2010 June HAC 107 2011 M37 M56 B262A 262 B2657 B2658 EXHAUST GAS OUTSIDE ODOR DETECTING SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Exhaust gas outside odor detect _ Voltage ing sensor Appro
248. ss or connector CONTROL SIGNAL CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector HAC 177 Revision 2010 June 2011 M37 M56 ELECTRICAL CONTROL VALVE DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING 3 Check continuity between compressor harness connector and A C auto amp harness connector Compressor A C auto amp Continuity Connector Terminal Connector Terminal F43 2 M66 17 Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 CONTROL SIGNAL CIRCUIT FOR SHORT Check continuity between compressor harness connector and ground Compressor Continuity Connector Terminal 2 Ground Not existed Is the inspection result normal YES gt gt 0 7 NO Repair harness or connector CHECK ECV Check ECV Refer to HAC 178 Component Inspection Is the inspection result normal YES gt gt GOTO8 NO Replace compressor Refer to HA 32 COMPRESSOR Removal and Installation 8 cHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO Repair or replace malfunctioning parts Component Inspection INFOID 000000005905761 1 ELECTRICAL CONTROL VALVE 1
249. ssenger room and collection effect of in cabin microfilter OPERATION DESCRIPTION Air flow control inside odor detecting mechanism operates when odor in passenger room is detected while FOREST switch is ON Control status is displayed on Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function NOTE ON OFF of air flow control inside odor detecting mechanism can be changed using BLOWER MOTOR SETTING in WORK SUPPORT mode of CONSULT III Refer to HAC 50 CONSULT III Function Air flow control inside odor detecting mechanism does not operate when ambient temperature is 2 C 28 F or less FOREST AIR SYSTEM Aroma Diffuser Control DESCRIPTION 2 kinds of aromas leaf scent and fragrant wood which have proven relaxing effects are supplied alternately and intermittently to passenger room by outlet air flow of air conditioning system OPERATION DESCRIPTION Aroma diffuser control operates automatically when FOREST switch is ON and passenger room tempera ture is in stable status For initial 15 minutes of operation intermittent operation operates for aroma diffusing For next 45 minutes operation stops preventing effect reduction caused by habituation of sense of smell The 2 aromas switch alternately every 1 hour Control status is displayed on Forest Air Info screen Refer to HAC 45 FOREST AIR SYSTEM Switch Name and Function NOTE ON OFF
250. ssure into voltage and outputs it to ECM ECM operates cooling system protection and idle speed control according to voltage value that is input Ambient temperature 25 C 77 F Connector portion v o Signal processing portion electric circuit Output voltage 7 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Pressure detecting portion 0 134 1 34 1 4 20 2 746 27 46 28 398 Pressure Refrigerant pressure kPa bar kg cm psi Gauge pressure PBIB2657E Structure and operation The refrigerant pressure sensor is a capacitance type sensor It consists of a pressure detection area and a signal processing area The pressure detection area which is a variable capacity condenser changes internal static capacitance according to pressure force The signal processing area detects the static capacitance of the pressure detection area converts the static capacitance into a voltage value and transmits the voltage value to ECM Revision 2010 June HAC 18 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR System Diagram INFOID 0000000005905652 Upper ventilator i door motor Display A C switch operation signal Door motor feedback signal Driver side A C display signal display signal Door motor drive signal Upper
251. st Air system can be performed quickly BCM BCM transmits key ID signal to A C auto amp via CAN communication line Display indicates operation status of Forest Air system Display has touch Display panel function that can be used to control Forest Air system ECM ECM controls compressor according to status of engine and refrigerant Revision 2010 June HAC 15 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Component parts Description Exhaust gas outside odor detecting sensor measures unpleasant odor out Exhaust gas outside odor detecting sensor side of passenger room In addition to previous exhaust gas detection func tion unpleasant odor in ambient atmosphere is measured Humidity sensor measures windshield temperature and passenger room hu Humidity sensor midity so that fogging on windshield is judged Inside odor detecting sensor measures odor of cigarettes foods and other Inside odor detecting sensor 2 objects in passenger room lonizer generates an approximately equal proportional amount of positive and negative ions in the air A C relay is integrated in IPDM E R IPDM E R operates A C relay when A IPDM E R C compressor request signal is received from ECM via CAN communication line FOREST switch is located in multifunction switch Forest Air system can be Multifuncion Swie EOREST SWR operated when FOREST switch is pressed BL
252. tch driver side and the DEF switch Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets driver side Refer to VTL 6 System Description 2 Operate MODE switch passenger side and the DEF switch Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets passenger side Refer to 6 Sys tem Description 3 Press CLIMATE switch The Climate menu screen is indicated on display 4 Touch DUAL Check that the air outlet setting LH RH is unified to the driver side air outlet setting Is the inspection result normal YES gt gt 3 NO Refer to HAC 187 Symptom Table and perform the appropriate diagnosis 3 CHECK DISCHRGE AIR UPPER VENT 1 Press MODE switch to set the air outlet to other than D F or DEF 2 Touch Upper Vent Check that air flow blows from upper ventilator 3 Touch Upper Vent again Check that air flow from upper ventilator stops Is the inspection result normal YES gt gt GOTO4 NO Upper ventilator system malfunction Refer to HAC 137 Diagnosis Procedure 4 CHECK INTAKE AIR 1 Press REC switch to set the air inlet to recirculation The REC switch indicator turns ON 2 Listen to intake sound and confirm air inlets change 3 Press FRE switch again to set the air inlet to fresh air intake The FRE switch indicator turns ON 4 Listen to intake sound
253. tch is pressed When DEF switch is pressed while air conditioning system is in the ON position When DEF mode turns ON air conditioning system becomes the following status Airflow Automatic control If fan speed other than AUTO is selected before pressing DEF switch fan speed is manual control Air inlet Fresh air intake Air outlet DEF Compressor ON When DEF mode turns OFF air conditioning system status returns to the previous status before DEF mode is selected When DEF switch is pressed while air conditioning system is in the OFF position Air conditioning system turns ON and becomes the following status Air flow Automatic control Air inlet Fresh air intake Air outlet DEF Compressor ON When DEF mode turns OFF entire air conditioning system is set to auto mode NOTE Automatic control is released is not displayed when this switch is pressed while air condi tioning system is in automatic control AUTO is displayed DEF switch Fan speed is selected within a range of 1st 7th speed using this switch NOTE Air conditioning system turns ON when this switch is operated while air conditioning system is in OFF position e Automatic air flow control is released is not displayed when this switch is pressed while air conditioning system is in automatic control is displayed Fan switch Switch indicator lamp turns ON and air i
254. te fan switch Set fan speed to 7th speed Operate temperature control switch driver side Decrease setting temperature to 18 0 C 60 F Turn ignition switch OFF Lock door using Intelligent Key or driver door request switch 0 Switch to another Intelligent Key and unlock door using Intelligent Key or driver door request switch 1 Turn ignition switch ON D zc 90 9 U dO c Revision 2010 June HAC 85 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING 12 Check that Connection with the key has been done is indicated on display and that air conditioning sys tem starts to operate automatically by setting temperature to 32 0 C 90 F and fan speed to 1st Is the inspection result normal YES gt gt INSPECTION END NO Intelligent Key interlock function malfunctioning Refer to HAC 198 Diagnosis Procedure FOREST AIR SYSTEM FO ST SYST E M 5 INFOID 0000000005905683 DESCRIPTION The purpose of the operational check is to check that the individual system operates normally NOTE Check that automatic air conditioning system operates normally Refer to HAC 82 AUTOMATIC AIR CONDI TIONING SYSTEM WITH FOREST AIR Work Procedure Check condition Engine running at normal operating temperature Turn FOREST switch ON and turn it OFF once Turn FOREST switch ON again and wait for 5 minutes or more OPERATIO
255. tecting sensor harness connector and ground Revision 2010 June HAC 180 2011 M37 M56 INSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Inside odor detecting sensor a Continuity Connector Terminal E73 1 Ground Not existed Is the inspection result normal YES gt gt 9 NO gt gt Repair harness or connector O cuEck INSIDE ODOR DETECTING SENSOR POWER SUPPLY CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between inside odor detecting sensor harness connector and ground Voltage Inside odor detecting sensor Terminal Is the inspection result normal YES gt gt GOTO 12 NO gt gt Repair harness or connector 1 INSIDE ODOR DETECTING SENSOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Disconnect A C auto amp connector 3 Check continuity between inside odor detecting sensor harness connector and A C auto amp harness connector HAC Inside odor detecting sensor A C auto amp 2 Continuity Connector Terminal Connector Terminal E73 2 M67 44 Existed Is the inspection result normal YES gt gt GOTO 11 NO Repair harness or connector 11 CHECK INSIDE ODOR DETECTING SENSOR Check inside odor detecting sensor Refer to HAC 181 Component Inspection Is the inspection result normal YES gt gt 12 NO gt gt Replace inside odor detec
256. this Service Manual WARNING To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collision that would result in air bag inflation all maintenance must be performed by an authorized NISSAN INFINITI dealer Improper maintenance including incorrect removal and installation of the SRS can lead to personal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS AIR BAG Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual SRS wiring harnesses can be identified by yellow and or orange harnesses or har ness connectors PRECAUTIONS WHEN USING POWER TOOLS AIR OR ELECTRIC AND HAMMERS WARNING When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition ON or engine running DO NOT use air or electric power tools or strike near the sensor s with a hammer Heavy vibration could activate the sensor s and deploy the air bag s possibly causing serious injury When using air or electric power tools or hammers always switch the ignition OFF disconnect the battery and wait at least 3 minutes before performing any service Revision 2010 June HAC 6 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION AUTOMATIC AIR CONDITIONING SYSTEM DESCRIPTION COMPONENT PARTS AUTOMATIC AIR CONDITIONING SYSTEM
257. tilator door motor passenger side CLOSE drive signal Output Ignition switch ON Upper Vent ON gt OFF 12V Ignition switch ON Upper Vent OFF2ON OV 61 BR Ground Air mix door motor driver side COOL drive signal Output Ignition switch ON Set temperature 32 C 90 gt 18 60 F DUAL OFF 12V Ignition switch ON Set temperature 18 60 F 32 C 90 F DUAL OFF OV 62 G R Ground Aroma motor Fragrant wood drive signal Output Ignition switch ON Aroma diffuser control Leaf scent Fragrant wood 12V Ignition switch ON Aroma diffuser control Fra grant woodLeaf scent OV Ground Mode door motor driver side VENT drive signal Output Ignition switch ON Air outlet DUAL OFF 12V Ignition switch ON Air outlet VENT2DEF DUAL OFF OV 64 RIB Ground Mode door motor passenger side VENT drive signal Output Ignition switch ON Air outlet DUAL OFF 12V Ignition switch ON Air outlet VENTSDEF DUAL OFF 0v 65 LR Ground Intake door motor REC drive signal Output Ignition switch ON Air inlet FRE gt REC 12V Ignition switch ON Air inlet REC FRE 0v 66 BR B Ground Revision 2010 June Upper ventilator door motor driver side CLOSE drive signal Output Ignition switch ON
258. ting sensor Refer to HAC 207 Removal and Installation 1 2 CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Component Inspection INFOID 0000000005905764 1 INSIDE ODOR DETECTING SENSOR I Turn ignition switch OFF Disconnect inside odor detecting sensor connector Apply voltage between inside odor detecting sensor terminals 4 and 3 and wait for 3 minutes Check resistance between inside odor detecting sensor terminals while applying voltage a Revision 2010 June HAC 181 2011 M37 M56 INSIDE ODOR DETECTING SENSOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Terminal Condition Resistance 1 2 Air is clean 2 670 NOTE Resistance value differs depending on measurement environment of the vehicle Is the inspection result normal YES gt gt 2 NO gt gt Replace the inside odor detecting sensor Refer to 207 Removal and Installation 2 CHECK INSIDE ODOR DETECTING SENSOR II Blow sensor portion of inside odor detecting sensor Check that resistance value between inside odor detect ing sensor terminals decreases Is the inspection result normal YES gt gt INSPECTION END NO gt gt Replace the inside odor detecting sensor Refer to 207 Removal and Installation
259. tio Balance Resistor door position detection signal SWITCHES AND THEIR CONTROL FUNCTIONS NOTE For LH RH independent temperature and air outlet adjustment function construction indicated by broken line as shown in the figure is divided to driver side and passenger side by divider plate JMIIA0524ZZ 1 Intake door 2 n cabin microfilter 3 Blower motor 4 Evaporator Air mix door driver side passenger 6 Heater core side 7 Rear air mix door 8 Rear mode door 9 Defroster door 10 Upper ventilator door 11 Ventilator door driver side passen 12 Foot door driver side passenger ger side Side Fresh air m Recirculation air A Defroster 71 Upper ventilator Ventilator o Foot 6 Rear foot Rear ventilator Revision 2010 June HAC 31 2011 M37 M56 SYSTEM DESCRIPTION gt SYSTEM Door position AUTOMATIC AIR CONDITIONING o o 2 2 m 5 5 8 5 8 sis 5 5 Or x Switch position 5 2 x 2131 5181 D 5 5 S o D D tc gt 2 gt 77 7 e a a E A AUTO switch ON AUTO
260. tioning control driver side and passenger side Intake sensor intake temperature correction A C auto amp performs correction to change recognition intake temperature of A C auto amp more quickly when difference is larger between recognition intake temperature and intake temperature from intake tem perature sensor The correction is performed to change recognition intake temperature more slowly when difference is smaller Sunload sensor sunload amount correction Sunload amount from sunload sensor is corrected for each air conditioning control driver side and passen ger side A C auto amp performs correction to change recognition sunload amount of A C auto amp slowly when sunload amount changes excessively for example when entering or exiting a tunnel Control by ECM Cooling fan control Refer to EC 50 COOLING FAN CONTROL System Description VQ37VHR or EC 575 COOLING FAN CONTROL System Description VK56VD Air conditioning cut control Refer to EC 48 AIR CONDITIONING CUT CONTROL System Description VQ37VHR or EC 581 AIR CONDITIONING CUT CONTROL System Description VK56VD Control by IPDM E R Relay control Refer to PCS 6 RELAY CONTROL SYSTEM System Description Cooling fan control Refer to PCS 9 POWER CONTROL SYSTEM System Description Control by BCM Intelligent key interlock function Refer to DLK 14 INTELLIGENT KEY SYSTEM System Description Various opera
261. tioning system turns OFF When air conditioning system turns OFF air inlet and air outlet become the following status Air inlet Automatic control Air outlet FOOT OFF switch Revision 2010 June HAC 43 2011 M37 M56 OPERATION SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Switch name Function Switch indicator lamp turns ON and air inlet is set to recirculation REC when this switch is pressed switch Press and held for 2 seconds or more intake switch indicator blinks 2 times and air inlet is set to automatic control Intake switch indicator indicates air inlet state during automatic control NOTE Air inlet can be changed when air conditioning system is in the OFF position Setting temperature is selected using this switch within a range between 18 C 60 F and 32 C 90 F at a rate of 0 5 C 1 0 F per adjustment Press Setting temperature increases Temperature control switch Driver side V Press Setting temperature decreases NOTE When air conditioning system is OFF setting temperature can be selected only while air conditioning system status screen only when MODE switch driver side is pressed is indicated on display The system is set to LH RH independent status DUAL displays by operating this switch Outlet air flow temperature of passenger side can be changed without changing outlet air flow temperature of driver side Setting temperature is sele
262. tions of air conditioning system are transmitted from multifunction switch and display to AV control unit via communication line except display and from AV control unit to A C auto amp via CAN com munication A C auto amp sends each indication information to AV control unit via CAN communication AV control unit displays each type of indication information that is received AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR Air Flow Control INFOID 0000000005905654 DESCRIPTION Revision 2010 June HAC 20 2011 M37 M56 SYSTEM SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING A C auto amp changes gate voltage to power transistor and controls air flow in 31 stages based on target air flow When air flow is to be increased gate voltage to power transistor increases gradually for preventing excessive large amount of air flow n addition to manual control and automatic control air flow control is consist of low coolant temperature starting control fan speed control at door motor operation and fan speed control at voice recognition AUTOMATIC AIR FLOW CONTROL A C auto amp decides target air flow depending on target air mix door opening angle A C auto amp changes voltage to power transistor gate and controls air flow in 31 stages so that target air flow is achieved When air outlet is VENT or B L the minimum air flow is changed VENT B L mode and depending on sunload sunload Hi
263. to passenger room This sensor uses thermistor that decreases electrical re sistance as temperature increases IPDM E R A C relay is integrated in IPDM E R IPDM E R operates A C relay when A C compressor request signal is received from ECM via CAN communica tion line Multifunction switch Multifunction switch integrates A C controller and AV operation switch A C switch operation signal is transmitted from multifunction switch to AV con trol unit via communication line Refrigerant pressure sensor Refer to HAC 18 Sunload sensor Sunload sensor measures sunload amount This sensor is a dual system so that sunload for driver side and passenger side are measured separate ly This sensor converts sunload amount to voltage signal by photodiode and transmits to A C auto amp AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Component Revision 2010 June HAC 10 2011 M37 M56 COMPONENT PARTS SYSTEM DESCRIPTION gt AUTOMATIC AIR CONDITIONING Pa rts Locat n INFOID 0000000006106574 JMIIA0765ZZ Revision 2010 June HAC 11 2011 M37 M56 SYSTEM DESCRIPTION gt COMPONENT PARTS AUTOMATIC AIR CONDITIONING 1 AV control unit 2 IPDM E R 3 ECM Refer to AV 144 Component Parts Refer to PCS 5 IPDM E R Compo VQ37VHR Refer to EC 24 EN Location nent Parts Locat
264. tor and ground Power transistor Continuity Terminal Is the inspection result normal YES gt gt GO TO 10 NO Repair harness or connector 1 O REPLACE BLOWER MOTOR Connector Not existed HAC 173 Revision 2010 June 2011 M37 M56 BLOWER MOTOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING Replace blower motor Refer to VTL 18 BLOWER MOTOR Removal and Installation Is the inspection result normal YES gt gt INSPECTION END NO gt gt GO TO 19 11 cHECK POWER TRANSISTOR GROUND CIRCUIT 1 Turn ignition switch OFF 2 Check continuity between power transistor harness connector and ground Power transistor Continuity Connector Terminal M112 4 Ground Existed Is the inspection result normal YES gt gt 12 NO Repair harness or connector 12 cHECK POWER TRANSISTOR CONTROL SIGNAL 1 Connect power transistor connector 2 Turn ignition switch ON 3 Operate mode switch to set VENT position 4 Change fan speed from 1 to 7 and check voltage between power transistor harness connector and ground Condition Power transistor Voltage Fan speed manual Approx Connector Terminal VENT mode OFF OV 1st 3 5 V 2nd 5 2 V 6 5V M112 2 Ground 4th 7 8V 5th 9 2V 6th 10 5 V 7th 12 5 V Is the inspection result normal YES gt gt GO TO 15 NO GO TO 13 1
265. tor door motor LH harness connector and ground Upper ventilator door motor LH Continuity Terminal 1 2 Is the inspection result normal YES gt gt GOTOS NO gt gt Repair harness or connector 5 CHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT 1 Turn ignition switch ON 2 Check voltage between upper ventilator door motor LH harness connector and ground Connector M313 Ground Not existed Upper ventilator door motor LH Terminal 1 M313 E Ground OV Is the inspection result normal YES gt gt 15 NO gt gt Repair harness or connector 6 cHECK UPPER VENTILATOR DOOR MOTOR DRIVER SIDE Check upper ventilator door motor driver side Refer to Is the inspection result normal YES gt gt 7 NO gt gt Replace upper ventilator door motor driver side DOOR MOTOR Removal and Installation T CHECK INSTALLATION OF UPPER VENTILATOR DOOR MOTOR DRIVER SIDE Check upper ventilator door motor driver side is properly installed Refer to 209 Exploded View HAC 145 Component Inspection Motor Refer to HAC 211 UPPER VENTILATOR HAC 143 Revision 2010 June 2011 M37 M56 B275F B2760 B2761 UPPER VENTILATOR DOOR MOTOR DRIVER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt GO TO 15 NO Repair o
266. ture to 18 0 C 60 F 8 Turn ignition switch OFF 9 Lock door using Intelligent Key or driver door request switch 10 Switch to another Intelligent Key and unlock door using Intelligent Key or driver door request switch 11 Turn ignition switch ON 12 Check that Connection with the key has been done is indicated on display and that air conditioning sys tem starts to operate automatically by setting temperature to 32 0 C 90 F and fan speed to 1st Revision 2010 June HAC 83 2011 M37 M56 OPERATION INSPECTION BASIC INSPECTION gt AUTOMATIC AIR CONDITIONING Is the inspection result normal YES gt gt INSPECTION END NO gt gt Intelligent Key interlock function malfunctioning Refer to HAC 198 Diagnosis Procedure AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Work Proce d INFOID 0000000006 134340 DESCRIPTION The purpose of the operational check is to check that the individual system operates normally Check condition Engine running at normal operating temperature OPERATION INSPECTION 1 BLOWER MOTOR Operate the fan switch Check that the fan speed changes check the operation for all fan speeds Is the inspection result normal YES gt gt GOTO2 NO Blower motor system malfunction Refer to HAC 172 Diagnosis Procedure 2 LH RH INDEPENDENT AIR OUTLET ADJUSTMENT FUNCTION 1 Operate MODE swi
267. unction switch is pressed Forest Front A C Forest Air Setting DUAL Forest Air Info Upper Vent 20 00 777 8 20 0 077422 Function ON OFF of compressor is selected A C NOTE Selection does not operate when blower motor is OFF ON OFF of LH RH independent function temperature and air outlet is selected NOTE DUAL Setting temperature and outlet for passenger seat is the same as that for driver seat when LH RH independent function is OFF Selection does not operate when blower motor is OFF ON lt gt OFF of air blowing from upper ventilator is selected Upper Vent NOTE Selection does not operate when blower motor is OFF and air outlet is DEF AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR AUTOMATIC AIR CONDITIONING SYSTEM WITHOUT FOREST AIR Switch Name and Function INFOID 0000000006114687 OPERATION AND DISPLAY A C Display Revision 2010 June HAC 41 2011 M37 M56 OPERATION AUTOMATIC AIR CONDITIONING SYSTEM DESCRIPTION gt With NAVI State indication display Except for state indication display Status gt Audio OFF 20 0 5 200 20 00 s F 20 0 JMIIA0775GB Without NAVI State indication display Except for state indication display Audio OFF XD e e 250 sess BEE pu F a 70 T 250 c JMIIA0778GB Air conditioning system state is
268. uoneogioedg jeusis f E 5 81 19 61 lou eee Ix HN 8301H adh 1039euuoQ HN MMWCEHL M391Q8 HN MMWOTHLL 4039euuot HOLIMS 193135 3AmHQ OL 3HIM YOLOANNOO ANN VLVG 3HIM OL 3HIM WALSAS DNINOILIGNOO IV OILVINO LOV 2011 M37 M56 HAC 76 Revision 2010 June AUTOMATIC AIR CONDITIONING SYSTEM AUTOMATIC AIR CONDITIONING WIRING DIAGRAM gt L7 8er 2 a 94IM JO ON 4ojog HOLON HOOQ 3XVINI soon on aeiseuucc HOLON 3GQOW 22222 2 40399uu02 203990009 HH YOLOW HOOQ 1 05 5 LOIN 4012euuop 40399uu0 JO ON uoneoyroedg owen 6100 iar _____ 2 Jo uoneourosds WNDIS SANG 1004 HOLOW 300W 98 NIS JAHA 1000 55 HOLOW xi uv uo 18 Tae 380204 TWNDIS AAG Nado 8 98 Ge wm Wu WON A A 98 TWNOIS SOLOW
269. use block J B Connector M3 7 Ground Existed Is the inspection result normal YES gt gt GOTO6 NO Repair harness or connector 6 Check blower relay Refer to HAC 176 Component Inspection Blower Relay Is the inspection result normal YES gt gt Check ignition power supply circuit Refer to PG 84 Wiring Diagram IGNITION POWER SUP PLY NO Replace blower relay T CHECK POWER TRANSISTOR POWER SUPPLY Continuity Terminal 1 Turn ignition switch OFF 2 Connect blower motor connector 3 Disconnect power transistor connector 4 Turn ignition switch ON 5 Check voltage between power transistor harness connector and ground Power transistor Voltage Connector Terminal M112 3 Ground Battery voltage Is the inspection result normal YES gt gt GOTO11 NO gt gt GO TO 8 POWER TRANSISTOR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF 2 Disconnect blower motor connector 3 Check continuity between power transistor harness connector and blower motor harness connector Power transistor Blower motor Continuity Connector Terminal Connector Terminal M112 3 M109 2 Existed Is the inspection result normal YES GO TOO NO Repair harness or connector O cHECK POWER TRANSISTOR POWER SUPPLY CIRCUIT FOR SHORT Check continuity between power transistor harness connec
270. uto amp performs correction to change recognition intake temperature of A C auto amp more quickly when difference is larger between recognition intake temperature and intake temperature from intake tem perature sensor The correction is performed to change recognition intake temperature more slowly when difference is smaller Sunload sensor sunload amount correction Sunload amount from sunload sensor is corrected for each air conditioning control driver side and passen ger side A C auto amp performs correction to change recognition sunload amount of A C auto amp slowly when sunload amount changes excessively for example when entering or exiting a tunnel Control by ECM Cooling fan control Refer to EC 50 COOLING FAN CONTROL System Description VQ37VHR or EC 575 COOLING FAN CONTROL System Description VK56VD Air conditioning cut control Refer to EC 48 AIR CONDITIONING CUT CONTROL System Description VQ37VHR or EC 581 AIR CONDITIONING CUT CONTROL System Description VK56VD Control by IPDM E R Relay control Refer to PCS 6 RELAY CONTROL SYSTEM System Description Cooling fan control Refer to PCS 9 POWER CONTROL SYSTEM System Description Control by BCM Intelligent key interlock function Refer to DLK 14 INTELLIGENT KEY SYSTEM System Description Various operations of air conditioning system are transmitted from multifunction switch and display to AV control unit via co
271. ventilator door motor Multifunction AIC switch Door motor feedback signal Passenger side switch operation signal Door motor drive signal A C display signal Door motor drive signal Mode door motor Driver side Door motor feedback signal Ambient sensor Door motor drive signal Mode door motor Passenger side Door motor feedback signal In vehicle sensor Door motor drive signal Air mix door motor Driver side Door motor feedback signal Intake sensor Door motor drive signal Air mix door motor Passenger side Door motor feedback signal Sunload sensor Driver i Door motor drive signal Rear mode side A door motor i Door motor feedback signal side 1 Door motor drive signal Intake door motor Door motor feedback signal Power transistor Blower motor Combination meter Vehicle speed signal W acon Engine coolant M signal temperature signal Blower fan ON signal Refrigerant pressure sensor compressor feedback signal Cooling Cooling Engine coolant temperature sensor module motor compressor request signal Cooling fan speed request gt Communication line signal Can communication line JMIIA0767GB AUTOMATIC AIR CONDITIONING SYSTEM WITH FOREST AIR System Descrip Revision 2010 June HAC 19 2011 M37 M56
272. ver side Refer to HAC 116 Component Inspection PBR Air mix door motor passenger side Refer to HAC 121 Component Inspection PBR Intake door motor Refer to HAC 136 Component Inspection PBR Revision 2010 June HAC 170 2011 M37 M56 POWER SUPPLY AND GROUND CIRCUIT DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING Mode door motor driver side Refer to 126 Component Inspection PBR Mode door motor passenger side Refer to HAC 131 Component Inspection PBR Rear mode door motor Refer to HAC 151 Component Inspection PBR Upper ventilator door motor Refer to HAC 141 Component Inspection PBR Is the inspection result normal YES gt gt 7 NO Replace malfunctioning parts CHECK INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO Repair or replace malfunctioning parts Revision 2010 June HAC 171 2011 M37 M56 BLOWER MOTOR DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING BLOWER MOTOR Diagnosis Procedure INFOID 0000000005905756 1 BLOWER MOTOR POWER SUPPLY Turn ignition switch OFF Disconnect blower motor connector Turn ignition switch ON Check voltage between blower motor harness connector and ground Bom Blower motor Voltage Connector Te
273. wviwvsivN 9 s ownswowod 1 1 QNI ALIHn23S ez ISSY H3AI3O3H LNI S TAM yuo 2 Po ___ 12 WOO H3AIJO3H LNA STAM 5 HMd H3AI3O03H 6 HOSN3S H3AI3O3H 146 uMd HOSN3S 1 _______ ss o _______ voudo TVIH3S HOSN3S _____ a 6 WWOO MS MOGNIM A 8 ______ _____ 8 cindwMwsiwoo 9 s _____2 o 7 vw Pv ss Po o8 c LNO A TH 9430 MOGNIM aM JO uoneoyroedg wey jeusis e 2245 owe euss jeunuae N 015 196 1 edA 40j9euuot 3HIM OL ON 40329uu05 WALSAS SNINOLLIQNOO IV OILVINO LOV JCIWA0493GB 2011 M37 M56 HAC 75 2010 June ision Rev AUTOMATIC AIR CONDITIONING AUTOMATIC AIR CONDITIONING SYSTEM WIRING DIAGRAM gt 91 u am a 9 5 EZ 1 M M 58 85 85 97 M 1 9 E ve EZ 2 0 1 t 2 JO ON E aam JO iie uoneoyioeds jeusis 1
274. x Connector Terminal E74 3 Ground OV Is the inspection result normal YES gt gt GOTO 10 NO Repair harness or connector 1 INTERMITTENT INCIDENT Refer to 38 Intermittent Incident Is the inspection result normal YES gt gt Replace A C auto amp Refer to HAC 201 Removal and Installation NO gt gt Repair or replace malfunctioning parts Revision 2010 June HAC 108 2011 M37 M56 2630 2631 SUNLOAD SENSOR lt DTC CIRCUIT DIAGNOSIS gt AUTOMATIC AIR CONDITIONING B2630 2631 SUNLOAD SENSOR DTC Logic INFOID 0000000005905711 DTC DETECTION LOGIC NOTE If DTC is displayed along with DTC U1000 first perform the trouble diagnosis for DTC U1000 Refer to HAC 94 DTC Logic If DTC is displayed along with DTC U1010 first perform the trouble diagnosis for DTC U1010 HAC 95 DTC Logic Sunload sensor may register a malfunction when indoors at dusk or at other times when light is insufficient When performing the diagnosis indoors use a lamp 60 W or more that is pointed at the sunload sensor Items i DTC CONSULT III screen terms DTC detection condition Possible cause B2630 Detected calorie at sunload sensor 4793 W m Sunload sensor 4121 kcal m h or more A C auto amp SUNLOAD SENSOR Harness or connectors B2631 Detected calorie at sunload sensor 75 6 W m The sensor circuit is open or short 64 97 kcal m h
275. x door motor RH harness connector A C auto amp harness connec tor Air mix door motor RH A C auto amp 8 Continuity Connector Terminal Connector Terminal M306 3 M304 74 Existed Is the inspection result normal YES gt gt GOTO 10 NO gt gt Repair harness or connector 1 AIR MIX DOOR MOTOR PASSENGER SIDE PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT Check continuity between air mix door motor RH harness connector and ground Air mix door motor RH Continuity Connector Terminal M306 3 Ground Not existed Is the inspection result normal YES gt gt GOTO 11 NO gt gt Repair harness or connector 11 cHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY 1 Reconnect A C auto amp harness connector 2 Turn ignition switch ON 3 Check voltage between air mix door motor RH harness connector and ground Air mix door motor RH A Voltage Approx Connector Terminal M306 7 Ground 5V Is the inspection result normal YES 2GOTO 13 NO GO TO 12 1 2 CHECK AIR MIX DOOR MOTOR PASSENGER SIDE PBR POWER SUPPLY CIRCUIT FOR OPEN 1 Turn ignition switch OFF HAC 119 Revision 2010 June 2011 M37 M56 B2753 2754 2755 AIR MIX DOOR MOTOR PASSENGER SIDE DTC CIRCUIT DIAGNOSIS AUTOMATIC AIR CONDITIONING 2 Disconnect A C auto amp harness connector 3 Check continuity between air mix door motor RH harness connector and A C auto amp har

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