Operation CHARM: Car repair manuals for everyone.

Base Audio




POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Audio System.

1. CHECK FUSE

Check that the following fuses are not blown.





Are the fuses blown?
YES- Replace the blown fuse after repairing the affected circuit.
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect audio unit connector M85.
3.Check voltage between audio unit connector M85 and ground.





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