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 subwoofers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwoofer connectors for the following:
2.HARNESS CHECK



3.REAR SUBWOOFER SIGNAL CHECK


4.HARNESS CHECK



5.REAR SUBWOOFER SIGNAL CHECK


Rear door speaker
AMP on signal circuitU121D AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U121E AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U1225 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
U1227 AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A ...
Climate controlled seat blower motor
Description
Sends airflow to the seat cushion and seatback.
Component Function Check
1.CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR FUNCTION
Turn the climate controlled seat switch to the H (Heat) LO, MED, and HI
positions and the C (Cool) LO, MED,
and HI positions. Check that the climate cont ...
Inspection and adjustment
BASIC INSPECTION
BASIC INSPECTION : Special Repair Requirement
1.INSPECTION START
Check service records for any recent repairs that may indicate a
related malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors fo ...