Self-Diagnosis Cannot Be Performed

SELF-DIAGNOSIS CANNOT BE PERFORMED

Diagnosis Procedure

SYMPTOM: Self-diagnosis cannot be performed.

1. CHECK SELF-DIAGNOSIS FUNCTION

1.Press ignition switch ON.
2.Set in self-diagnosis mode as follows. Within 10 seconds after starting engine (ignition switch is Pressed
ON.), press OFF switch for at least 5 seconds.
NOTE:
- If battery voltage drops below 12 V during diagnosis STEP-3, door motor speed becomes slower and as a result, the system may generate an error even when operation is normal. To avoid this, start engine before performing this diagnosis.
- Former STEP-1 (LEDs are checked) does not exist in this self-diagnosis function.
- OFF switch may not be recognized according to the timing of pressing it. Operate OFF switch after turning the intake switch LEDs (REC) ON.
Does self-diagnosis function operate?
YES- Inspection End.
NO- GO TO 2

2. PERFORM COMPLETE OPERATIONAL CHECK

Perform a complete operational check and check for any symptoms. Automatic Air Conditioning.
Can a symptom be duplicated?
YES- Symptom Matrix Chart.
NO- GO TO 3

3. CHECK FOR SERVICE BULLETINS


Check for any service bulletins.
Have any service bulletins been issued?
YES- Refer to appropriate bulletin.
NO- GO TO 4

4. CHECK POWER SUPPLY AND GROUND CIRCUIT OF FRONT AIR CONTROL

Check power supply and ground circuit of front air control. Automatic Air Conditioning.
Is the inspection result normal?
YES- Replace front air control. Service and Repair.
NO- Repair or replace malfunctioning part(s).