Air Mix Door

TROUBLE DIAGNOSIS

Air Mix Door

SYMPTOM: Air mix door does not change.

INSPECTION FLOW


1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE INCREASE

1.Turn the temperature control dial clockwise until maximum heat.
2.Check for hot air at discharge air outlets.
- GO TO 2.

2. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE DECREASE

1.Turn the temperature control dial counterclockwise until maximum cold.
2.Check for cold air at discharge air outlets.
Is the inspection results normal?
YES- GO TO 4.
NO- GO TO 3.

3. PERFORM COMPLETE OPERATIONAL CHECK

Perform a complete operational check and check for any symptoms. Operational Check.
Is the inspection results normal?
YES- How To Perform Trouble Diagnosis For Quick And Accurate Repair.
NO- System OK.

4. CHECK FOR SERVICE BULLETINS

Check for any service bulletins.
- GO TO 5.

5. CHECK AIR MIX DOOR CONTROL LINKAGE

Check and verify air mix door mechanism for smooth operation.
OK or NG
OK- If the symptom still exists, perform a complete operational check. Operational Check If other symptoms exist, How To Perform Trouble Diagnosis For Quick And Accurate Repair.
NG- Repair or adjust air mix door control linkage. Air Mix Door Cable Adjustment.