Nissan Altima 2007-2012 Service Manual: Camera image signal circuit (camera control unit to av control unit)

Description

Rear view camera image signals are transmitted from the rear view camera control unit to the AV control unit using the image signal circuits.

Diagnosis Procedure

1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect rear view camera control unit connector B31 and AV control unit connector M46.

3. Check continuity between rear view camera control unit harness connector B31 (A) terminals 11, 12 and AV control unit harness connector M46 (B) terminals 34, 55.

4. Check continuity between rear view camera control unit harness connector B31 (A) terminals 11, 12 and ground.

Is inspection result OK? YES >> GO TO 2

NO >> Repair harness or connector.

2.CHECK CAMERA IMAGE SIGNAL

1. Connect rear view camera control unit connector and AV control unit connector.

2. Turn ignition switch ON.

3. Check signal between rear view camera control unit harness connector B31 terminals 12 and 11.

Is inspection result OK? YES >> Replace AV control unit. Refer to AV-437, "Removal and Installation".

NO >> Replace rear view camera control unit. For coupe, refer to AV-458, "Removal and Installation - Coupe". For sedan, refer to AV-458, "Removal and Installation - Sedan".

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