Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the tweeters using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.TWEETER SIGNAL CHECK


4.HARNESS CHECK



5.TWEETER SIGNAL CHECK

connector.

Front door speaker
Center speakerFront door speaker
Description
The audio unit sends audio signals to the front door speakers using the front
door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
...
Trunk lid opener cancel switch
Description
Cancels trunk lid open operation.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check trunk lid opener cancel switch TR CANCEL SW in Data Monitor mode with
CONSULT.
Diagnosis Procedure
1. CHECK TRUNK LID OPENER CANCEL SIGNAL
Check voltage between BCM connect ...
P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the
engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...