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. Refer to Automatic Air Conditioner.
Can a symptom be duplicated?
YES >> Refer to 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. Refer to Automatic Air Conditioner.
Is the Inspection result normal?
YES >> Replace front air control. Refer to Service and Repair.
NO >> Repair or replace malfunctioning part(s).