ADJUSTABLE PEDAL
Contents
1. Symptom Diagnoses service procedure Reference page 1 BCM power supply and ground circuit inspection AP 8 2 Pedal adjusting control unit power supply and ground cir AP 10 cuit inspection No adjustable pedal Systemi operates 3 Pedal adjusting switch power supply and ground inspection AP 14 4 Pedal adjusting motor circuit inspection AP 15 5 Replace pedal adjusting motor AP 4 1 Key switch and CVT device circuit inspection AP 11 Adjustable pedal system operate when ignition switch IS ESCAS is ON CVT selector lever is not in P position 2 Pedal adjusting control unit ignition signal inspection AP 9 3 Replace pedal adjusting control unit AP 4 Adjustable pedal system does not operate when igni tion switch is ON and CVT selector lever is P position GNA circuit inspection AP 16 BCM POWER SUPPLY AND GROUND CIRCUIT INSPECTION 1 CHECK BCM OUTPUT POWER SUPPLY 1 Turn ignition switch OFF 2 Check voltage between BCM connector M35 terminal 28 W R Gd am and ground A BCM connector 28 W R Ground Battery voltage OK or NG OK power supply and ground is OK NG 55 GO TO 2 PIIA7659E 2 CHECK FUSE Check 50A fusible link letter F located in the fuse and fusible link box NOTE Refer to AP 4 COMPONENT PARTS AND HARNESS CONNECTOR LOCATION OK or NG OK gt gt GOTO NG gt gt If fuse is blown be sure to e2. BODY sco AAI ADJUSTABLE PEDAL CONTENTS PRECAUTIONS 5 recien erre rri n annee 2 ADJUSTABLE PEDAL SYSTEM 3 Precautions for Supplemental Restraint System Automatic Drive Positioner Interlocking Adjustable SRS AIR BAG and SEAT BELT PRE TEN mre 3 SIONER taedet edes 2 Adjustable Pedal Only Manual Operation Model 3 Trouble Diagnosis Precaution 2 Revision 2004 April AP 1 2003 Murano 5 PRECAUTIONS PFP 00001 Precautions for Supplemental Restraint System SRS AIR BAG and SEAT BELT PRE TENSIONER The Supplemental Restraint System such as AIR BAG 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 and SB section of this Service Man ual WARNING To avoid rendering the SRS inoperative which could increase the risk of personal injury or death in the event of a collision which would result in
3. Revision 2004 April AP 4 2003 Murano ADJUSTABLE PEDAL SYSTEM WIRING DIAGRAM PEDAL AP PEDAL 01 BATTERY REFER TO PG POWER FUSE BLOCK J B W B BCM BODY w CONTROL KEY SWITCH POWER WINDO POWER sUPPLY MODULE INSERTED KEY SWITCH BAT M35 E118 TE CVT DETENTION DEVICE M57 PEDAL ADJUSTING CONTROL UNIT DETENT SW KEY REFER TO THE FOLLOWING FUSE BLOCK JUNCTION BOX J B E118 ELECTRICAL UNITS TIWA0326E Revision 2004 April AP 5 2003 Murano AP ADJUSTABLE PEDAL SYSTEM IGNITION SWITCH AP PEDAL 02 ON OR START BLOCK REFER TO PG POWER PEDAL ADJUSTING PEDAL CONTROL UNIT MOTOR OUTPUT FRONT POWER SEAT DRIVER SIDE REFER TO THE FOLLOWING 1 23 54 5 6 7 7 e 5 E 3 4 M1 FUSE BLOCK JUNCTION 8 to t1 v2 t9 14 t5 16 10 BOX J B En THIS CONNECTOR IS NOT SHOWN IN HARNESS LAYOUT PG SECTION Revision 2004 April TIWA0327E AP 6 2003 Murano ADJUSTABLE PEDAL SYSTEM TERMINAL AND REFERENCE VALUE FOR BCM Terminal wie Item Condition Voltage V color Approx 7 W B BAT power supply Ignition switch is OFF Battery voltage 8 B Ground Ignition switch is ON 0 28 Adjustable pedal power supply Ignition switch is OFF Battery voltage TERMINAL AND REFERENCE VALUE FOR PEDAL ADJUSTING CONTR
4. air bag inflation all maintenance must be per formed by an authorized NISSAN INFINITI dealer e Improper maintenance including incorrect removal and installation of the SRS can lead to sonal injury caused by unintentional activation of the system For removal of Spiral Cable and Air Bag Module see the SRS section 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 harness connectors Trouble Diagnosis Precaution When you read wiring diagrams refer to the following e Gl 14 How to Read Wiring Diagrams GI section e PG 3 POWER SUPPLY ROUTING CIRCUIT in PG section When you perform trouble diagnosis refer to the following e 1 10 HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES in GI section Gl 26 How to Perform Efficient Diagnosis for an Electrical Incident in GI section Check for any service bulletins before servicing the vehicle Revision 2004 April AP 2 2003 Murano ADJUSTABLE PEDAL SYSTEM ADJUSTABLE PEDAL SYSTEM PFP 98800 Automatic Drive Positioner Interlocking Adjustable Pedal asoosta Automatic drive positioner interlocking adjustable pedal Refer to SE 12 AUTOMATIC DRIVE POSITIONER Adjustable Pedal Only Manual Operation Model 2 SYSTEM DESCRIPTION The pedal adjustable system is power supply controlled by pedal adjus
5. lock 3 Check voltage between key switch and key lock solenoid con solenoid connector nector M28 terminal 3 Y R and ground Key switch 3 Y R Ground Battery voltage GO 4 NG Repair or replace harness between key switch and key lock solenoid and fuse PIIA3286E 4 CHECK KEY SWITCH Check continuity between key switch and key lock solenoid key switch as follows DISCONNECT B Terminals Condition Continuity Key switch d 4 Key is inserted in ignition key cylinder Yes GT Key is removed from ignition key cylinder No OK or NG OK GO TO 5 NG gt gt Replace key switch and key lock solenoid PIIA3044E Revision 2004 April AP 11 2003 Murano ADJUSTABLE PEDAL SYSTEM 5 CHECK CVT DEVICE POWER SUPPLY CIRCUIT 1 Disconnect CVT device connector uus 2 Connect key switch connector and key lock solenoid connector Ce 3 Key is inserted in ignition key cylinder CVT device connector 4 Check voltage between CVT device connector M57 terminal 5 Detention switch key B R and ground 5 Y R Ground Battery voltage OK or NG OK gt gt GO 7 NG gt gt GO TO 6 PIIA8451E 6 CHECK CVT DEVICE HARNESS 1 is removed from ignition key cylinder SA 2 2 Disconnect key switch connector and key lock solenoid connec 8 Key switch and d y HS key lock solenoid tor m i CVT device connector connector 3 Check contin
6. the condition of the harness and connector NG Repair or replace harness between CVT device and pedal adjusting control unit Revision 2004 April AP 13 2003 Murano ADJUSTABLE PEDAL SYSTEM PEDAL ADJUSTING SWITCH POWER SUPPLY AND GROUND INSPECTION 1 CHECK PEDAL ADJUSTING SWITCH POWER SUPPLY 1 Turn ignition switch OFF 2 Disconnect pedal adjusting switch connector DISCONNECT 8 3 Check voltage between pedal adjusting switch connector B306 HS terminal 64 GY and ground Pedal adjusting switch connector 64 GY Ground Battery voltage OK gt gt GO 3 NG gt gt GO TO 2 PIIA7666E 2 CHECK PEDAL ADJUSTING SWITCH HARNESS 1 Disconnect pedal adjusting control unit connector 5 f DISCONNECT 8 2 Check continuity between pedal adjusting control unit connector M88 terminal 7 R and pedal adjusting switch connector B306 m terminal 64 GY Pedal adjusting control Pedal adjusting unit connector switch connector 7 R 64 GY Continuity should exist 3 Check continuity between pedal adjusting control unit connector M88 terminal 7 R and ground 7 R Ground Continuity should not exist OK Or NG 7667 Check the condition of the harness and connector NG Repair or replace harness between pedal adjusting control unit and pedal adjusting switch CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT INSPECTION Check continuity pedal a
7. 6 L Ground Continuity should not exist OK or NG OK Replace pedal adjusting control unit NG Repair or replace harness between CVT device and pedal adjusting control unit PIIA7671E Revision 2004 April AP 16 2003 Murano
8. M88 terminal 1 B and ground DISCONNECT 8 1 B Ground Continuity should exist 24 Pedal adjusting control OK or NG unit connector OK Replace pedal adjusting control unit NG Repair or replace the harness between pedal adjusting control unit and ground PIIA7663E Revision 2004 April AP 10 2003 Murano ADJUSTABLE PEDAL SYSTEM KEY SWITCH AND CVT DEVICE CIRCUIT INSPECTION 1 CHECK PEDAL ADJUSTING CONTROL UNIT INPUT SIGNAL 1 Disconnect pedal adjusting control unit connector 2 Keyis inserted in ignition key cylinder 3 Check voltage between pedal adjusting control unit connector and ground Pedal adjusting control unit connector Terminal Wire color Connector Voltage V Approx z P position 0 M88 3 L Ground Other than P position Battery voltage OK Or NG PIIA7664E OK Key switch and CVT device circuit is OK NG GO TO 2 2 CHECK FUSE e Check 10A fuse No 21 located in fuse block J B NOTE Refer to AP 4 COMPONENT PARTS AND HARNESS CONNECTOR LOCATION OK or NG OK gt gt GO 3 NG gt gt If fuse is blown be sure to eliminate cause of malfunction before installing new fuse Refer to PG 3 POWER SUPPLY ROUTING CIRCUIT 3 CHECK KEY SWITCH POWER SUPPLY CIRCUIT 1 ignition switch OFF 2 Disconnect key switch connector and key lock solenoid connec 8 tor Key switch and key
9. OL UNIT Terminal TIO Item Condition Voltage V color Approx 1 B Ground Ignition switch is ON 0 Key is inserted in ignition key cylinder and Battery voltage 3 L Detention switch key signal selector lever is in other than P position Except the above 0 4 G Ignition power supply Ignition switch is ON or START Battery voltage 5 W R Battery power supply Ignition switch is OFF Battery voltage E Selector lever is in other than P position 0 7 R Pedal adjusting switch power supply output Selector lever is in P position Battery voltage WORK FLOW 1 Check the symptom and customer s requests 2 Perform the preliminary check Refer to 7 PRELIMINARY CHECK 3 According to the trouble diagnosis chart repair or replace the cause of the malfunction Refer to AP 8 TROUBLE DIAGNOSIS CHART BY SYMPTOM 4 Does adjustable pedal system operate normally YES GO TO 5 NO GO TO 3 5 INSPECTION END PRELIMINARY CHECK 1 CHECK ADJUSTABLE PEDAL MECHANISM Check the following Movable part of accelerator pedal or brake pedal is deformed or there is foreign material in it Accelerator pedal or brake pedal is deformed or broken OK or NG OK NG Revision 2004 April Preliminary check is OK Repair the malfunctioning part and check again AP 7 2003 Murano ADJUSTABLE PEDAL SYSTEM TROUBLE DIAGNOSIS CHART BY SYMPTOM NOTE Always check the Work Flow before troubleshooting Refer to AP 7 WORK FLOW
10. djusting switch connector B306 terminal 48C B and ground DISCONNECT 48C B Ground Continuity should exist amp Pedal adjusting OK or NG Switch connector OK Pedal adjusting switch power supply and ground circuit TEXT Oe g p pp NG gt gt Repair or replace the harness between pedal adjusting switch and ground ka PIIA7668E Revision 2004 April AP 14 2003 Murano ADJUSTABLE PEDAL SYSTEM PEDAL ADJUSTING MOTOR CIRCUIT INSPECTION 1 CHECK PEDAL ADJUSTING SWITCH 1 Turn ignition switch OFF NOE 2 Disconnect pedal adjusting switch connector Ls 6 3 Check continuity between pedal adjusting switch as follows Pedal adjusting switch pedal adjusting switch forward Continuity should exist 15 30 480 64 pedal adjusting switch neutral Continuity should not exist B ds pedal adjusting switch backward Continuity should exist 10 pedal adjusting switch neutral Continuity should not exist pedal adjusting switch backward Continuity should exist cmm pedal adjusting switch neutral Continuity should not exist m pedal adjusting switch forward Continuity should exist pedal adjusting switch neutral Continuity should not exist OK or NG OK gt gt GO TO 2 NG Replace pedal adjusting switch 2 CHECK PEDAL ADJUSTING MOTOR HARNESS 1 Disconnect pedal adjusting motor connector DISCONNECT 2 Check continuity betwe
11. en pedal adjusting switch connector HS 8 B306 terminal 15 G W 30 L W and pedal adjusting motor Pedal adjusting Pedal adjusting connector E113 terminal 1 L Y 2 L R switchi connector motor connector 15 G W 1 L Y Continuity should exist 30 L W 2 L R Continuity should exist 15 30 12 3 Check continuity between pedal adjusting switch connector B306 terminal 15 G W 30 L W and ground a 15 G W Ground Continuity should not exist i ms 30 L W Ground Continuity should not exist OK or NG OK Replace pedal adjusting motor NG Repair or replace harness between pedal adjusting switch and pedal adjusting motor Revision 2004 April AP 15 2003 Murano ADJUSTABLE PEDAL SYSTEM CVT DEVICE CIRCUIT INSPECTION 1 cHECK CVT DEVICE 1 Disconnect CVT device connector 2 Check continuity between CVT device as follows 8 CVT device Terminals Condition Continuity Detention switch key P position Continuity should not exist HHHH Other than P position Continuity should exist OK or NG OK gt gt GO 2 NG gt gt Replace CVT device 4566 2 CHECK PEDAL ADJUSTING CONTROL UNIT HARNESS 1 Disconnect pedal adjusting control unit connector 2 Connect key switch connector and key lock solenoid connector DISCONNECT 8 3 Check voltage between CVT device connector M57 terminal 6 HS L and ground A T device connector
12. liminate cause of malfunction before installing new fuse Refer to PG 3 POWER SUPPLY ROUTING CIRCUIT 3 CHECK BCM POWER SUPPLY CIRCUIT 1 Disconnect BCM connector 2 Check voltage between BCM connector E118 terminal 7 W B Gud mS and ground HS 8 7 W B Ground Battery voltage BCM connector OK or NG 7 H OK gt gt GO TO 4 NG gt gt Repair or replace the harness between BCM and fusible link PIIA7658E Revision 2004 April AP 8 2003 Murano ADJUSTABLE PEDAL SYSTEM 4 CHECK BCM GROUND CIRCUIT Check continuity between BCM connector E118 terminal 8 B and DISCONNECT ground 8 8 B Ground Continuity should exist BOR LIEST OK gt gt Replace eLLLLI NG gt gt Repair or replace the harness between BCM and ground PIIA1127E PEDAL ADJUSTING CONTROL UNIT IGNITION SIGNAL INSPECTION 1 cHECK FUsE e Check 10A fuse No 12 located in fuse block J B NOTE Refer to AP 4 COMPONENT PARTS AND HARNESS CONNECTOR LOCATION OK or NG OK gt gt GO 2 NG gt gt If fuse is blown be sure to eliminate cause of malfunction before installing new fuse Refer to PG 3 POWER SUPPLY ROUTING CIRCUIT 2 CHECK PEDAL ADJUSTING CONTROL UNIT IGNITION POWER SUPPLY CIRCUIT INSPECTION Check voltage between pedal adjusting control unit connector and groun d s DISCONNECT r DC Terminal Wire col Connector BETIS Co
13. ndition Voltage V Pedal adjusting control Approx unit connector Turn ignition switch ON Battery voltage M88 4 G Ground Turn ignition switch OFF 0 OK or NG OK Pedal adjusting control unit ignition signal is OK NG Repair or replace the harness between pedal adjusting 7660 control unit and fuse block J B Revision 2004 April AP 9 2003 Murano ADJUSTABLE PEDAL SYSTEM PEDAL ADJUSTING CONTROL UNIT POWER SUPPLY AND GROUND INSPECTION 1 CHECK PEDAL ADJUSTING CONTROL UNIT OUTPUT POWER SUPPLY 1 Turn ignition switch OFF 2 Check voltage between pedal adjusting control unit connector EQ M88 terminal 7 R and ground LET Pedal adjusting control 7 R Ground Battery voltage unit connector OK or NG IL Jey TT OK gt gt Pedal adjusting control unit power supply and ground is OK NG gt gt GO TO 2 PIIA7661E 2 CHECK PEDAL ADJUSTING CONTROL UNIT POWER SUPPLY CIRCUIT 1 Disconnect pedal adjusting control unit connector 2 Check voltage between pedal adjusting control unit connector 8 M88 terminal 5 W R and ground 5 Pedal adjusting control 5 W R Ground Battery voltage unit connector OK or NG OK gt gt GO 3 NG Repair or replace the harness between pedal adjusting control unit and BCM PIIA7662E d CHECK PEDAL ADJUSTING CONTROL UNIT GROUND CIRCUIT INSPECTION Check continuity pedal adjusting control unit connector
14. ting control unit Power is at all times supplied e through 50A fuse Letter F located in the fuse block J B to BCM Body control module terminal 7 through BCM terminal 28 to pedal adjusting control unit terminal 5 through 10A fuse No 21 located in the fuse block J B to Key switch and key lock solenoid terminal 3 With ignition key inserted power is supplied e through Key switch and key lock solenoid terminal 4 e to CVT device terminal 5 With the ignition switch to ON position power is supplied e through 10A fuse No 12 located in the fuse block J B e pedal adjusting control unit terminal 4 Ground is supplied e to BCM terminal 8 e through body grounds E13 E26 and E28 e pedal adjusting control unit terminal 1 e through body grounds M14 and M78 When the ignition key inserted and CVT selector lever is shifted to a position other than P position power is supplied e through CVT device terminal 6 e to pedal adjusting terminal Then pedal adjusting control unit recognizes that CVT selector lever is shifted to a position other than P posi tion When ignition switch is OFF or when ignition switch is ON and CVT selector lever is in P position power is supplied e through pedal adjusting control unit terminal 7 e to pedal adjusting switch terminal 64 With power supplied pedal adjusting switch is energized When pedal adjusting switch forward power is supplied e through pedal adj
15. uity between CVT device connector M57 terminal 5 Detention switch key switch B R and key switch and key lock solenoid key switch connec tor M28 terminal 4 B R 5 B R 4 B R Continuity should exist 4 Check continuity between CVT device connector M57 terminal 5 B R and ground 5 B R Ground Continuity should not exist OK or NG OK gt gt Check the condition the harness and connector NG Repair or replace harness between key switch and key lock solenoid and CVT device connector PIIA4565E 7 CHECK CVT DEVICE Check continuity between CVT device as follows DISCONNECT Terminals Condition Continuity CVT device a P position Continuity should not exist Detention switch key Other than P position Continuity should exist HHFH OK or NG OK gt gt GO 8 NG gt gt Replace CVT device 2 PIIA4566E Revision 2004 April AP 12 2003 Murano ADJUSTABLE PEDAL SYSTEM 8 CHECK PEDAL ADJUSTING CONTROL UNIT HARNESS 1 Disconnect pedal adjusting control unit connector 2 Check continuity between CVT device connector M57 terminal 6 P amp L and pedal adjusting control unit connector M88 terminal 3 L HS i 6 L 3 L Continuity should exist CVT device connector unit connector 3 Check continuity between CVT device connector M57 terminal 6 L and ground 6 L Ground Continuity should not exist OK or NG OK Check
16. usting switch terminal 30 e to pedal adjusting motor terminal 2 Then ground is supplied e to pedal adjusting motor terminal 1 e through pedal adjusting switch terminal 15 e through pedal adjusting switch terminal 48C e through body grounds B20 and B7 With power and ground are supplied accelerator and brake pedal moves forward When pedal adjusting switch backward power is supplied e through pedal adjusting switch terminal 15 e to pedal adjusting motor terminal 1 Then ground is supplied Revision 2004 April AP 3 2003 Murano ADJUSTABLE PEDAL SYSTEM to pedal adjusting motor terminal 2 through pedal adjusting switch terminal 30 through pedal adjusting switch terminal 48C through body grounds B20 and B7 With power and ground are supplied accelerator and brake pedal moves backward COMPONENT PARTS AND HARNESS CONNECTOR LOCATION Driver side view with lower instrument panel removed gt DOH Po I2 al o olo Ny gt T Fuse block J B fuse layout View with the instrument lower driver panel removed Pedal adjusting control unit ws View with the instrument upper driver panel removed liz ee Key switch and key lock solenoid Pedal agiueunpes s motor E113 xX PIIA4811E
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