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 circuitB2623 inside key antenna 3
Description
Detects whether Intelligent Key is inside the vehicle.
Installed in the trunk room.
DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Check Intelligent Ke ...
Headlamp
Description
Headlamp lighting when theft warning system is in alarm
phase.
Component Function Check
1.CHECK HEADLAMP OPERATION
Check if headlamps operate by lighting switch.
Diagnosis Procedure
1.CHECK HEADLAMP OPERATION
Refer to EXL-6, "Work Flow" (xenon type) or EXL-171,
"Work Flow" (ha ...
Seat belts
The seat belts can be cleaned by wiping them
with a sponge dampened in a mild soap solution.
Allow the belts to dry completely in the shade
before using them. For additional information,
refer to "Seat belt maintenance" in the "Safety-
-Seats, seat belts and supplemental restraint
system" se ...