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 tweeters 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.TWEETER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.TWEETER SIGNAL CH


Front door speaker
Center speakerBasic inspection
DIAGNOSIS AND REPAIR WORK FLOW
WITH COLOR DISPLAY
WITH COLOR DISPLAY : How to Perform Trouble Diagnosis For Quick And
Accurate Repair
WORK FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Interview the customer to obtain as much information as possible about the
conditions and environment under which th ...
The light reminder warning does not sound
Description
Light reminder warning does not sound even though headlamp is illuminated.
Diagnosis Procedure
1. CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) OPERATION
Check that the headlamps operate normally by operating the combination switch
(lighting and turn signal
switch).
...
System malfunction
If the PFCW system malfunctions, it will be
turned off automatically, a chime will sound, the
FEB system warning light (orange) will illuminate
and the warning message [Malfunction] will appear
in the vehicle information display.
Action to take
If the warning light (orange) comes on, stop the
...