Camera Image Signal Circuit Bose Audio With Navigation

CAMERA IMAGE SIGNAL CIRCUIT





Description
- The AV control unit supplies power to the rear view camera when receiving a reverse signal.
- The rear view camera transmits camera images to the display unit when power is supplied from the AV control unit.




Diagnosis Procedure
1.CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and rear view camera connector.
3. Check continuity between AV control unit harness connector and rear view camera harness connector.





4. Check continuity between AV control unit harness connector and ground.





Is inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK VOLTAGE CAMERA POWER SUPPLY
1. Connect AV control unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to "R".
4. Check voltage between AV control unit harness connector and ground.





Is inspection result normal?
YES - GO TO 3.
NO - Replace AV control unit.
3.CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and rear view camera connector.
3. Check continuity between display unit harness connector and rear view camera harness connector.





4. Check continuity between display unit harness connector and ground.





Is inspection result normal?
YES - GO TO 4.
NO - Repair harness or connector.
4.CHECK CAMERA IMAGE SIGNAL
1. Connect display unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to "R".
4. Check signal between display unit harness connector and ground.





Is inspection result normal?
YES - Replace display unit. Exploded View Bose Audio With Navigation.
NO - Replace rear view camera. Exploded View Bose Audio With Navigation.