Road test
TCMFront door speaker
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 ...
Rear window defogger system
System Diagram
System Description
Operation Description
When rear window defogger switch is turned ON while ignition
switch is ON, the A/C auto amp. (rear window
defogger switch) transmits rear window defogger switch signal to BCM.
BCM turns rear window defogger relay ON when rear ...
Tweeter
Description
The audio unit sends audio signals to the tweeters 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
2.HARNESS CHECK
...