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 speakerRear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside
mirror (if so equipped), start the engine and push
the rear window defroster switch on. The rear
window defroster indicator light on the switch
comes on. Push the switch again to turn the
defroster off.
The rear window defroster automatically ...
Exhaust valve timing control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM via the CAN Communication line.
SYSTEM DESCRIPTION
This mechanism magnetically controls cam phases continuously with the fixed
operating angle of the exhaust
valve.
The ECM receives ...
ECU diagnosis information
A/C AUTO AMP.
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP.
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one b ...