Without Display Audio

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Without Display Audio.

1. CHECK REVERSE INPUT SIGNAL

1.Turn ignition switch ON.
2.Shift the selector lever to R (reverse).
3.Check voltage between audio unit connector M44 and ground.





Is inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect audio unit connector M44 and rear view camera connector.
3.Check continuity between audio unit connector M44 and rear view camera connector B35.





4.Check continuity between audio unit connector M44 and ground.





Is inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness or connectors.

3. CHECK CAMERA POWER SUPPLY VOLTAGE

1.Connect audio unit connector M44 and rear view camera connector.
2.Turn ignition switch ON.
3.Shift the selector lever to R (reverse).
4.Check voltage between audio unit connector M44 and ground.





Is inspection result normal?
YES- GO TO 4.
NO- Replace audio unit. Refer to "Removal and Installation" Without Display Audio.

4. CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect audio unit connector M44 and rear view camera connector.
3.Check continuity between audio unit connector M44 and rear view camera connector B35.





4.Check continuity between audio unit connector M44 terminal 82 and ground.





Is inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness or connectors.

5. CHECK CAMERA GROUND CIRCUIT CONTINUITY

Check continuity between audio unit connector M44 and rear view camera connector B35.





Is inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness or connectors.

6. CHECK CAMERA IMAGE SIGNAL

1.Connect audio unit connector M44 and rear view camera connector.
2.Turn ignition switch ON.
3.Shift the selector lever to R (reverse).
4.Check signal between audio unit connector M44 and ground.





Is inspection result normal?
YES- Replace audio unit. Refer to "Removal and Installation" Without Display Audio.
NO- Replace rear view camera. Refer to "Removal and Installation" Without Display Audio.