Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.FRONT DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.FRONT DOOR SPEAKER SIGNAL CHECK


Power supply and ground circuit
TweeterAux image signal circuit
Description
Transmits the image signal of AUX device from auxiliary input jacks to
AV control unit.
AV control unit transmits the image signal that is input to the
display unit.
Diagnosis Procedure
1.CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect ...
Compressor control function
Description
PRINCIPLE OF OPERATION
A/C compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
RX: A/C switch signal
: Fan ON signal
: Defroster signal
Functional initial inspection chart ...
SRS air bag system
"AIR BAG" Warning Lamp Does Not Turn Off
DIAGNOSTIC PROCEDURE
1.CHECK CONDITION OF AIR BAG MODULE
Inspect for any deployed air bag modules or seat belt pre-tensioners.
2.CHECK THE AIR BAG FUSE
Check 10A fuse [No. 2, located in the fuse block (J/B)].
3.CHECK AIR BAG FUSE AGAIN
Replace 10A fuse ...