Rear View Camera Power Supply and Ground Circuit Inspection Audio With Navigation

REAR VIEW CAMERA


Rear View Camera Power Supply and Ground Circuit Inspection

1.CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

NOTE:
Apply parking brakes before proceeding.





1. Turn ignition switch ON.
2. Shift transmission into reverse.
3. Check voltage between rear view camera harness connector
T21 terminal 4 and ground.






Is voltage reading approximately 6 volts?
YES - GO TO 4.
NO - GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)





1. Turn ignition switch OFF.
2. Disconnect rear view camera and AV control unit connectors.
3. Check continuity between rear view camera harness connector
T21 (A) terminal 4 and AV control unit harness connector M99
(B) terminal 34.






4. Check continuity between rear view camera harness connector
T21 (A) terminal 4 and ground.






Are continuity test results as specified?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK REVERSE POSITION INPUT SIGNAL
1. Turn ignition switch ON.
2. Shift transmission into reverse.
3. Check voltage between AV control unit harness connector M99 terminal 28 and ground.






Is voltage reading approximately 12 volts?
YES - Replace AV control unit. Removal And Installation Audio With Navigation.
NO - Check harness for open or short between AV control unit and transmission range switch.
4.CHECK GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect rear view camera harness connector.
3. Check continuity between rear view camera harness connector
T21 terminal 3 and ground.






Does continuity exist?
YES - Inspection End.
NO - Repair harness or connector.