Diagnosis Procedure Bose Audio With Navigation

MODE CHANGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY MODE CHANGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE amp. connector and AV control unit connector.
3. Check continuity between BOSE amp. harness connector and AV control unit harness connector.





4. Check continuity between BOSE amp. harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK MODE CHANGE SIGNAL
1. Connect BOSE amp. connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check voltage between BOSE amp. harness connector and ground.





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