Nissan Versa (N17): Power supply and ground circuit

Nissan Versa 2nd generation (N17) Service Manual / Body exterior, doors, roof & vehicle security / Power window control system (PWC) / Power supply and ground circuit

BCM (Body control system) (with intelligent key system)

BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure

Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".

1.CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES >> Replace the blown fuse or fusible link after repairing the affected circuit.

NO >> GO TO 2.

2.CHECK POWER SUPPLY CIRCUIT

1. Disconnect BCM connector M99.

2. Check voltage between BCM connector M99 and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair harness or connector.

3.CHECK GROUND CIRCUIT

Check continuity between BCM connector M99 and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair harness or connector.

BCM (Body control system) (without intelligent key system)

BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Procedure

Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".

1.CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES >> Replace the blown fuse or fusible link after repairing the affected circuit.

NO >> GO TO 2.

2.CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connectors.

3. Check voltage between BCM connector and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair harness or connector.

3.CHECK GROUND CIRCUIT

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair harness or connector.

Power window main switch

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".

1.CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect power window main switch connector.

3. Check voltage between power window main switch harness connector and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between BCM harness connector and power window main switch harness connector.

4. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES >> Replace BCM. Refer to BCS "Removal and Installation".

NO >> Repair or replace harness.

3.CHECK POWER WINDOW MAIN SWITCH GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between power window main switch harness connector and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness.

Front power window switch (passenger side)

FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure

Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".

1.CHECK FRONT POWER WINDOW SWITCH RH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect front power window switch RH connector.

3. Turn ignition switch ON.

4. Check voltage between front power window switch RH harness connector and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> GO TO 2.

2.CHECK FRONT POWER WINDOW SWITCH RH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between BCM harness connector and front power window switch RH harness connector.

4. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES >> Replace BCM. Refer to BCS "Removal and Installation".

NO >> Repair or replace harness.

Rear power window switch

REAR POWER WINDOW SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".

1.CHECK REAR POWER WINDOW SWITCH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect rear power window switch connector.

3. Turn ignition switch ON.

4. Check voltage between rear power window switch harness connector and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> GO TO 2.

2.CHECK REAR POWER WINDOW SWITCH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between BCM harness connector and rear power window switch harness connector.

4. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES >> Replace BCM. Refer to BCS "Removal and Installation".

NO >> Repair or replace harness.

Diagnosis and repair work flow

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