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 circuitDoor request switch
Description
Transmits door lock/unlock operation to BCM.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check door request switch REQ SW-DR, REQ SW-AS in Data Monitor mode.
Diagnosis Procedure
1. CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL
Turn ignition switch OFF.
Check ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect Bluetooth control unit connector and ...
ECU diagnosis information
A/C AUTO AMP.
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP.
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one b ...