Description
The audio 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 audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.REAR DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.REAR DOOR SPEAKER SIGNAL CHECK

connector B109.

Center speaker
SubwooferRemoval and installation
POWER SOCKET
Removal and Installation
POWER SOCKET
NOTE: If the tool does not fit because of
the location of the power socket, further disassembly may be required. Refer
to IP-14, "Removal and Installation".
Removal
Remove the fuse for the power socket.
Insert one end of the Tool (A) i ...
U1300 AV comm circuit
Description
U1300 is indicated when a communication signal malfunction occurs. U1300 is
indicated along with DTCs that identify components connected to the AV
control unit through communication lines. Determine the possible malfunction
cause from the table below.
SELF-DIAGNOSIS RESULTS DISPL ...
System temporarily unavailable
The following are conditions in which the ICC
system may be temporarily unavailable. In these
instances, the ICC system may not cancel and
may not be able to maintain the selected following
distance from the vehicle ahead.
Condition A
Under the following conditions, the ICC system is
auto ...