Inspection Flow
- CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - MEMORY FUNCTION
- Set the temperature to 32°C (90°F).
- Rotate the front blower control dial (driver) to turn system OFF.
- Turn ignition switch OFF.
- Turn ignition switch ON.
- Press the AUTO switch.
- Confirm that the set temperature remains at previous temperature.
- Rotate the front blower control dial (LH) to turn system OFF.
Can the symptom be duplicated?
YES: GO TO 3.
No: GO TO 2.
- PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".
Can a symptom be duplicated?
YES: Refer to "HOW TO PERFORM TROUBLE DIAGNOSIS FOR QUICK AND ACCURATE REPAIR ".
No: System OK.
- CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
GO TO 4.
- PERFORM SELF-DIAGNOSIS
Perform self-diagnosis to check for any codes. Refer to "A/C AUTO AMP. SELF-DIAGNOSIS ".
Are any self-diagnosis codes present?
YES: Refer to "A/C SYSTEM SELF-DIAGNOSIS CODE CHART ".
No: GO TO 5.
- CHECK POWER AND GROUND CIRCUIT
Check main power supply and ground circuit. Refer to "A/C AUTO AMP. COMPONENT FUNCTION CHECK ".
Is the inspection result normal?
YES: GO TO 6.
No: Repair or replace as necessary.
- RECHECK FOR SYMPTOMS
Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".
Does another symptom exist?
YES: Refer to "HOW TO PERFORM TROUBLE DIAGNOSIS FOR QUICK AND ACCURATE REPAIR ".
No: Replace A/C Auto amp. Refer to "REMOVAL AND INSTALLATION ".