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



3.REAR DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK



5.REAR DOOR SPEAKER SIGNAL CHECK


Center speaker
SubwooferRear seat
Exploded View - Fixed Seatback
Headrest
Headrest holder (free)
Headrest holder (locked)
Bumper
Seatback assembly
Seatback trim
Seatback pad
Seat cushion trim
Seat cushion pad
Seat cushion wire cover
Seat cushion lock
Seat cushion assembly
Exploded View - 60:40 ...
BCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...
Inspection and adjustment
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description
Initial setting is necessary when battery terminal is removed.
CAUTION:
The following specified operations are not performed under the
non-initialized condition. ...