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 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 M44.

3. Check voltage between audio unit connector M44 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 M45.

3. Check continuity between audio unit connector M45 and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness or connectors.

Bluetooth control unit

BLUETOOTH CONTROL 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 Bluetooth control unit connector B33.

3. Check voltage between Bluetooth control unit connector B33 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. Check continuity between Bluetooth control unit connector B33 and ground.

Is the inspection result normal?

YES >> Inspection End.

NO >> Repair or replace harness or connectors.