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 circuitAnswer back horn feature
If desired, the answer back horn feature can be
deactivated using the Intelligent Key. When it is
deactivated and the LOCK
button is
pushed, the hazard indicator lights flash twice.
When the UNLOCK button is pushed,
neither
the hazard indicator lights nor the horn operates.
NO ...
Starting the engine
1. Apply the parking brake.
2. Move the shift lever to P (Park) or N (Neutral).
P (Park) is recommended.
The starter is designed not to operate if
the shift lever is in any of the driving
positions.
3. Push the ignition switch to the ON position.
Depress the brake pedal and push the ign ...
Signal buffer system
System Diagram
System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each
input/received signal to each unit.
Signal transmission function list
Signal name
Input
Output
Description
Ignition switch ON si ...