Mode Door

TROUBLE DIAGNOSIS


Mode Door

SYMPTOM: Air outlet does not change.

INSPECTION FLOW
1.CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - DISCHARGE AIR
1. Rotate the mode door control dial to each position.
2. Confirm that discharge air comes out according to the air distribution table. Refer to Discharge Air Flow.

NOTE:
Confirm that the compressor clutch (with A/C) is engaged (visual inspection) when DEF or D/F is selected.
Can a symptom be duplicated?
YES >> GO TO 3.
NO >> GO TO 2.
2.PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to Operational Check.
Can a symptom be duplicated?
YES >> Refer to Initial Inspection and Diagnostic Overview.
NO >> System OK.
3.CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
>> GO TO 4.
4.CHECK MODE DOOR CONTROL CABLE
Check and verify mode door mechanism for smooth operation in each mode.
OK or NG
OK >> If the symptom still exists, perform a complete operational check and check for other symptoms. Refer to Operational Check. If other symptoms exist, refer to Initial Inspection and Diagnostic Overview .
NG >> Repair or adjust mode door control cable. Refer to Mode Door Cable Adjustment.