Toyota
Nissan Versa
 Sedan Service Manual
Driver information & multimedia » Audio, visual & navigation system (AV) » Power supply and ground circuit
Audio unit

AUDIO UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, refer to AV "Wiring Diagram".

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 M46.

3. Check voltage between audio unit connector M46 and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace harness or connectors.

3.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M47.

3. Check continuity between audio unit connectors and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness or connectors.

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