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 circuitInstrument Panel
Vent
Headlight/fog light/turn signal switch
Supplemental front-impact air bag. Horn
Meters and gauges. Warning and indicator lights. Vehicle information
display
Paddle shifters (if so equipped)
Wiper and washer switch
Audio controls*. Navigation controls*
Hazard warning ...
Driver Attention Alert system operation
If the system detects driver fatigue or that driver
attention is decreasing, the message "Take a
break?"appears in the vehicle information display
and a chime sounds when the vehicle is driven at
speeds above 37 mph (60 km/h).
The system continuously monitors driver attention
and can pro ...
Periodic maintenance
FRONT SUSPENSION ASSEMBLY
Inspection and Adjustment
INSPECTION
Make sure the mounting conditions (looseness, backlash) of each component and
component conditions (wear, damage) are normal.
LOWER BALL JOINT END PLAY
Set front wheels in a straight-ahead position. Do not depress
brake peda ...