Nissan Versa (N17): Power supply and ground circuit

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

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

1.CHECK FUSES

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.POWER SUPPLY CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M43.

3. Check voltage between audio unit connector M43 and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace harness or connectors.

3.GROUND CIRCUIT CHECK

Inspect audio unit case ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair audio unit case ground.