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 front door speakers 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.FRONT DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK



5.FRONT DOOR SPEAKER SIGNAL CHECK

connector.

Vertical synchronizing (VP) signal circuit
TweeterFront door speaker
Removal and Installation
REMOVAL
Remove the front door finisher. Refer to INT-18, "Removal and
Installation".
Remove the front door speaker screws (A).
Disconnect the harness connector from the front door speaker
(1) and remove.
Remove the front door speaker spacer screws (B) and ...
Spark plugs
Replacing spark plugs
Iridium-tipped spark plugs
It is not necessary to replace iridium-tipped A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Follow
the maintenance log shown in the "Maintenance
and schedules" section of this manual. Do
not ser ...
Front 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
...