Description
When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)


2.CHECK AMP ON SIGNAL (AV CONTROL UNIT)

Check voltage between AV control unit harness connector M157 terminal 110 and ground.

Subwoofer
Steering switchTrunk opener request switch
Removal and Installation
REMOVAL
Remove the license lamp finisher (1). Refer to EXL-166, "Removal
and Installation".
Remove the inner bracket screws (A) and inner bracket (2) from
license lamp finisher (1).
Remove the trunk lid request switch screw (B) and trunk lid
req ...
Front tweeter
Removal and Installation
REMOVAL
Remove the front pillar finisher. Refer to INT-24, "Removal and
Installation".
Remove the front tweeter speaker grille. Refer to IP-10, "Exploded
View".
Remove the front tweeter speaker screws (A).
Pull out front tweeter speaker (1), disconnect the ...
Diagnosis system (AV control unit)
Description
The AV control unit diagnosis function starts up with multifunction
switch operation and the AV control unit
performs a diagnosis for each unit in the system during the on board
diagnosis.
Perform a CONSULT diagnosis if the on board diagnosis does not start,
e.g., the s ...