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
Steering switchVariable induction air system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
In the medium speed range, the power valves are closed. Under this condition,
the pressure waves of the
...
Vertical synchronizing (VP) signal circuit
Description
In composite image (AUX image, camera image), transmit the vertical
synchronizing (VP) signal and horizontal
synchronizing (HP) signal from display unit to AV control unit so as to
synchronize the RGB images displayed
with AV control unit, such as the image quality adjusting men ...
U1010 control unit (CAN)
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
U1010
CONTROL UNIT (CAN
When detecting error during the initial diagnosis of CAN controller
of dri ...