Bose Audio Without 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 Without 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 M166 terminal 105 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 AV control unit connector M164 and rear view camera connector D504.
3. Check continuity between AV control unit harness connector M164 terminals 64, 65, 72 and rear view camera harness connector D504 terminals 3, 5 and 6.





4. Check continuity between AV control unit harness connector M164 terminals 64, 65, 72 and ground.





Is inspection result OK?
YES - GO TO 3
NO - Repair harness or connector.
3.CHECK CAMERA IMAGE SIGNAL
1. Connect AV control unit connector M164 and rear view camera connector D504.
2. Turn ignition switch ON.
3. Shift transmission into reverse.
4. Check signal between AV control unit harness connector M164 terminals 64 and 65.





Is inspection result OK?
YES - Replace AV control unit. Removal And Installation Bose Audio Without Navigation.
NO - Replace rear view camera. Removal And Installation Bose Audio Without Navigation.