A/C And AV Switch Assembly Bose Audio With Navigation

POWER SUPPLY AND GROUND CIRCUIT:_:A/C AND AV SWITCH ASSEMBLY A/C AND AV SWITCH ASSEMBLY





Diagnosis Procedure
Regarding Wiring Diagram information, Bose Audio With Navigation.
1.CHECK FUSE
Check that the A/C and AV switch assembly fuse is not blown.





Is the fuse OK?
YES - GO TO 2.
NO - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK





1. Disconnect A/C and AV switch assembly connector M98.
2. Check voltage between the A/C and AV switch assembly connector M98 and ground.





Are the voltage results as specified?
YES - GO TO 3.
NO - - Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
3.GROUND CIRCUIT CHECK





1. Ignition OFF.
2. Check continuity between A/C and AV switch assembly harness connector M98 and ground.





Are the continuity results as specified?
YES - Inspection End.
NO - Repair A/C and AV switch assembly ground.