Operation CHARM: Car repair manuals for everyone.

Base Audio





POWER SUPPLY AND GROUND CIRCUIT


DISPLAY UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, Base Audio.
1.CHECK FUSES
Check that the following 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. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check voltage between the display unit 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 display unit harness connector and ground.





Is the inspection result normal?
YES - Inspection End.
NO - Repair harness or connector.