Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
- Models without BOSE audio with color display: AV-231, "AV CONTROL UNIT : Diagnosis Procedure" - Models with BOSE audio with color display: AV-388, "AV CONTROL UNIT : Diagnosis Procedure" - Models with BOSE audio with color display with navigation system: AV-571, "AV CONTROL UNIT : Diagnosis Procedure"
M&A branch line circuit
HVAC branch line circuitParking, license plate and tail lamps are not turned on
Description
The parking, license plate and tail lamps do not turn ON in with any lighting
switch setting.
Diagnosis Procedure
1.COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION
Check the combination switch (lighting and turn signal switch).
2.CHECK TAIL LAMP RELAY REQUEST SIGNA ...
Lifting sensor (rear)
Description
The lifting sensor (rear) is installed to the seat frame.
The pulse signal is input to the driver seat control unit when the
lifting (rear) is operated.
The driver seat control unit counts the pulse and calculates the lifting
(rear) amount of the seat.
Component Function ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
3.BASIC INSPECTION
Check the operation of each part. Check if any concerns occu ...