Nissan Altima (L32) 2007-2012 Service Manual: Rear view camera control unit

Diagnosis Procedure

1.CHECK FUSE

Check that the following fuses of the rear view camera control unit are not blown.

Are the fuses OK? YES >> GO TO 2

NO >> Be sure to eliminate cause of malfunction before installing new fuse.

2.CHECK POWER SUPPLY CIRCUIT

Check voltage between rear view camera control unit harness connector and ground.

Are the voltage readings as specified? YES >> GO TO 3

NO >> Check harness between rear view camera control unit and fuse.

3.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear view camera control unit connector.

3. Check continuity between rear view camera control unit harness connector B31 terminal 3 and ground.

Does continuity exist? YES >> Inspection End.

NO >> Repair harness or connector.