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 circuitDiagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
Versions display
Channel check diagnosis
Key check diagnosis
AV communication diagnosis
VERSIONS DISPLAY FUNCTION
Turn ignition switch ON.
Turn the audio unit off.
While pressing "1" button, turn volume ...
ICC system operation
The ICC system maintains a selected distance
from the vehicle in front of you within the speed
range 0 to 90 mph (0 to 144km/h) up to the set
speed. The set speed can be selected by the
driver between 20 to 90 mph (32 to 144 km/h),
based on road conditions.
The vehicle travels at the set ...
Manual operation
Fan speed control
Press the fan speed control
buttons to
manually control the fan speed.
Press the AUTO button to return to automatic
control of the fan speed.
Air recirculation
Press the air recirculation
button to recirculate
interior air inside the vehicle. The
indicator l ...