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 circuitAudio unit
Removal and Installation
Audio unit brackets (LH/RH)
A/C auto amp.
Cluster lid C lower
Audio unit Clip
Pawl
REMOVAL
Disconnect the battery negative terminal. Refer to PG-67, "Removal
and Installation (Battery)".
Remove cluster lid D. Refer to IP-11, "Removal and In ...
Glove box assembly
Removal and Installation
REMOVAL
Using a suitable tool, gently remove the instrument panel side
finisher (RH).
Open the glove box door and then remove the glove box assembly
screws (A).
Remove the glove box assembly lower screws (A).
Disconnect the harness connectors, then rem ...
U1216 AV control unit
Description
Replace the AV control unit if this DTC is displayed.
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
syste ...