Mid Audio

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT : Diagnosis Procedure

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

1. CHECK FUSES

Check that the following fuses are not blown.





Is there a blown fuse?
YES- Replace the fuse after repairing the affected circuit.
NO- GO TO 2

2. POWER SUPPLY CIRCUIT CHECK

1.Disconnect audio unit connector M45.
2.Check voltage between the audio unit connector M45 and ground.





Are voltage readings as specified?
YES- GO TO 3
NO- - Check connector housings for disconnected or loose terminals.
- Repair harness or connector.

3. GROUND CIRCUIT CHECK

Inspect audio unit case ground.
Is the inspection result normal?
YES- Inspection End.
NO- Repair audio unit case ground.