Composite Image Signal Circuit Bose Audio With Navigation

COMPOSITE IMAGE SIGNAL CIRCUIT





Description
AV control unit transmits the playback DVD image signal to the display unit.




Diagnosis Procedure
1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and display unit connector.
3. Check continuity between AV control unit harness connector and display unit harness connector.





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





Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK COMPOSITE IMAGE SIGNAL
1. Connect AV control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector and ground.





Is the inspection result normal?
YES - Replace display unit. Exploded View Bose Audio With Navigation.
NO - Replace AV control unit. Exploded View Bose Audio With Navigation.