AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
2.POWER SUPPLY CIRCUIT CHECK
3.GROUND CIRCUIT CHECK
Inspect audio unit case ground.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
3.GROUND CIRCUIT CHECK
BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
2.CHECK POWER SUPPLY CIRCUIT
3.CHECK GROUND CIRCUIT
Check continuity between BOSE speaker amp harness connector and ground.
BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the Bluetooth control unit are not blown.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between Bluetooth control unit harness connector and ground.
3.CHECK GROUND CIRCUIT
MICROPHONE
MICROPHONE : Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
3.CHECK GROUND CIRCUIT
Wiring diagram
BCM (BODY CONTROL MODULE)
Wiring Diagram
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Power supply and ground circuit
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuit ...
ABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
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