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 circuitRear window defogger and door mirror defogger do not
operate
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay
3. CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.
4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIR ...
Front washer
WASHER TUBE
WASHER TUBE : Layout
Washer nozzle (LH)
Washer nozzle hose (LH)
Washer nozzle (RH)
Washer nozzle hose (RH)
Y-tube connector
Washer tank hose
Washer tank
Tube connectors
Clip
FRONT WASHER NOZZLE
FRONT WASHER NOZZLE : Removal and Installation
REMOVAL
...
Power supply and ground circuit
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check continuit ...