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 circuitB2616 ignition relay circuit
Description
BCM controls the various electrical components and simultaneously supplies
power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
Tur ...
Diagnosis and repair workflow
Work Flow
PRECAUTIONS FOR DIAGNOSIS
If steering angle sensor, steering system parts, suspension system parts, ABS
actuator and electric unit (control
unit) or if wheel alignment has been adjusted, be sure to adjust neutral
position of steering angle sensor
before driving. Refer to BRC-6, & ...
System description
ENGINE CONTROL SYSTEM
System Diagram
System Description
ECM performs various controls such as fuel injection control and ignition
timing control.
Component Parts Location
Intake valve timing control solenoid
valve (bank 1)
Electronic controlled engine mount
control solenoid ...