Bose Audio With Navigation

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT





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




Diagnosis Procedure
Regarding Wiring Diagram information, Bose Audio With Navigation.
1.CHECK REVERSE POSITION INPUT SIGNAL

NOTE:
Apply parking brakes before proceeding.
1. Turn ignition switch ON.
2. Shift transmission into reverse.
3. Check voltage between AV control unit harness connector M165 terminal 81 and ground.





Is voltage reading approximately 12 volts?
YES - GO TO 2
NO - Check harness for open or short between AV control unit and back-up lamp relay.
2.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect display unit connector M168 and rear view camera connector D504.
3. Check continuity between display unit harness connector M168 terminals 12, 14, 24 and rear view camera harness connector D504 terminals 3, 5 and 6.





4. Check continuity between display unit harness connector M168 terminals 12, 14, 24 and ground.





Is inspection result OK?
YES - GO TO 3
NO - Repair harness or connector.
3.CHECK CAMERA IMAGE SIGNAL
1. Connect display unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Shift transmission into reverse.
4. Check signal between display unit harness connector M168 terminals 12 and 14.





Is inspection result OK?
YES - Replace display unit. Removal And Installation Bose Audio With Navigation.
NO - Replace rear view camera. Removal And Installation Bose Audio With Navigation.