Mid Audio

POWER SUPPLY AND GROUND CIRCUIT

BLUETOOTH CONTROL UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, Mid Audio System.

1. CHECK FUSE

Check that the following fuses of the Bluetooth control unit are not blown.





Is the inspection result normal?
YES- GO TO 2
NO- Replace the fuse after repairing the affected circuit.

2. CHECK POWER SUPPLY CIRCUIT

Check voltage between Bluetooth control unit harness connector B33 and ground.





Are the voltage results as specified?
YES- GO TO 3
NO- Check harness between Bluetooth control unit and fuse.

3. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect Bluetooth control unit connector B33.
3.Check continuity between Bluetooth control unit harness connector B33 and ground.





Does continuity exist?
YES- Inspection End.
NO- Repair harness or connector.