Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK
3.FRONT DOOR SPEAKER SIGNAL CHECK
4.HARNESS CHECK
connector B109.
5.FRONT DOOR SPEAKER SIGNAL CHECK
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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Exterior rear
Rear window defroster switch
High-mounted stop light
Interior trunk lid release. Trunk lid
Exterior trunk lid release/request button. Rearview camera
Rear sonar sensors (if so equipped)
Replacing bulbs
Fuel-filler door. Fuel recommendation
Child safety rear door locks
R ...
DTC/circuit diagnosis
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-87, "Wiring Diagram".
1.CHECK FUSES
Check for blown combination meter fuses.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect combination meter connector.
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