Rear Wiper Motor Circuit

REAR WIPER MOTOR CIRCUIT

Component Function Check


1. CHECK REAR WIPER ON OPERATION

1.Select RR WIPER of BCM active test item.
2.With operating the test item, check rear wiper operation.
On: Rear wiper ON operation


Off: Stop the rear wiper.
Is the inspection result normal?
YES- Rear wiper motor circuit is normal.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Rear Wiper and Washer System.

1. CHECK REAR WIPER MOTOR OUTPUT VOLTAGE

1.Turn ignition switch OFF.
2.Disconnect rear wiper motor connector.
3.Turn ignition switch ON.
4.Select RR WIPER of BCM active test item.
5.With operating the test item, check voltage between rear wiper motor harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK REAR WIPER MOTOR CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM connector.
3.Check continuity between BCM harness connector and rear wiper motor harness connector.





4.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

3. CHECK REAR WIPER MOTOR GROUND OPEN CIRCUIT

Revision: March 20122013 Infiniti JX
Check continuity between rear wiper motor harness connector and ground.





Is the inspection result normal?
YES- Replace rear wiper motor. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace harness.
Revision: March 20122013 Infiniti JX