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 circuitC1114 main relay
Description
Activates or deactivates each solenoid valve according to the signals
transmitted by the ABS actuator and
electric unit (control unit).
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Diagnosis P ...
Meter
Wiring Diagram
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Diagnosis and repair workflow
Work Flow
WORK FLOW
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when the incident/malfunction occurred).
2. CHECK DTC
Check DTC.
Perform the following procedure if DTC is displayed.
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