Power Supply And Ground Circuit (Coupe)

POWER SUPPLY AND GROUND CIRCUIT (COUPE)


AV CONTROL UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, refer to With Navigation System.
1.CHECK FUSES
Check that the following AV control unit fuses are not blown.





Are the fuses 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 AV control unit connectors M119 and M121.
2. Check voltage between the AV control unit connectors M119 and M121 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. Turn ignition switch OFF.
2. Check continuity between AV control unit harness connector
M119 and ground.





Are the continuity results as specified?
YES - Inspection End.
NO - Repair AV control unit ground.