Nissan Maxima Service and Repair Manual: Power supply and ground circuit

BCM

BCM : Diagnosis Procedure

1. CHECK FUSE AND FUSIBLE LINK

Check if the following BCM fuses or fusible link are blown.

2. CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

BCM : Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit.

POWER WINDOW MAIN SWITCH

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

1. CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/ unlock switch connectors D7 (A) terminal 10 and D8 (B) terminal 19 and ground.

2. CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect BCM connector M16 and main power window and door lock/unlock switch connectors.
3. Check continuity between BCM connector M16 (A) terminals 2 and 3 and main power window and door lock/unlock switch connectors D7 (B) terminal 10 and D8 (C) terminal 19.
4. Check continuity between BCM connector M16 (A) terminals 2 and 3 and ground.

3. CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector D8.
3. Check continuity between main power window and door lock/ unlock switch connector D8 terminal 17 and ground.

POWER WINDOW MAIN SWITCH : Special Repair Requirement

1. PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure.

2. CHECK ANTI-PINCH OPERATION

Check anti-pinch operation.

FRONT POWER WINDOW SWITCH

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

1. CHECK POWER SUPPLY CIRCUIT

Check voltage between power window and door lock/unlock switch RH connector D105 terminal 10 and ground

2. CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect BCM connector M16 and power window and door lock/unlock switch RH connector.
3. Check continuity between BCM connector M16 (A) terminal 2 and power window and door lock/unlock switch RH connector D105 (B) terminal 10.
4. Check continuity between BCM connector M16 (A) terminal 2 and ground.

3. CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground.

FRONT POWER WINDOW SWITCH : Special Repair Requirement

1. PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure.

2. CHECK ANTI-PINCH OPERATION

Check anti-pinch operation

REAR POWER WINDOW SWITCH

REAR POWER WINDOW SWITCH : Diagnosis Procedure

1. CHECK POWER SUPPLY CIRCUIT

Check voltage between rear power window switch connector terminal 1 and ground.

2. CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect BCM connector M16 and rear power window switch connector.
3. Check continuity between BCM connector M16 (A) terminal 3 and rear power window switch connector (B) terminal 1.
4. Check continuity between BCM connector M16 (A) terminal 3 and ground.

3. CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect rear power window switch connector.
3. Check continuity between rear power window switch connector terminal 7 and ground.

REAR POWER WINDOW SWITCH : Special Repair Requirement

1. PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure

2. CHECK ANTI-PINCH OPERATION

Check anti-pinch operation