Inspection Flow
- CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - DISCHARGE AIR
- Press mode switch four times and then press the (DEF) switch. Each position indicator should change shape (on display).
- Confirm that discharge air comes out according to the air distribution table. Refer to
"DISCHARGE AIR FLOW ".NOTE: Confirm that the compressor clutch is engaged (visual inspection) and intake door position is at FRESH when DEF ( ) or D/F ( ) is selected.
Can a 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 "SYMPTOM TABLE ".
NO: System OK.
- CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
GO TO 4.
- CHECK MODE DOOR OPERATION
Check and verify mode door mechanism for smooth operation in each mode.
OK or NG
OK: GO TO 5.
NG: Repair as necessary.
- PERFORM SELF-DIAGNOSIS
Perform self-diagnosis to check for any codes. Refer to "A/C SYSTEM SELF-DIAGNOSIS FUNCTION ".
Are any self-diagnosis codes present?
YES: Refer to "SELF-DIAGNOSIS CODE CHART ".
NO: GO TO 6.
- CHECK THE MODE DOOR MOTOR PBR CIRCUIT
Perform diagnostic procedure for the mode door motor. Refer to "DIAGNOSTIC PROCEDURE FOR MODE DOOR MOTOR ".
OK or NG
OK: GO TO 7.
NG: Repair PBR circuit or replace motor.
- RECHECK FOR CODES
Perform self-diagnosis. Refer to "A/C SYSTEM SELF-DIAGNOSIS FUNCTION ".
Are any self-diagnostic codes present?
YES: Refer to "SELF-DIAGNOSIS CODE CHART ".
NO: GO TO 8.
- RECHECK FOR SYMPTOMS
Perform a complete operational check and check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".
Does another symptom exist?
YES: Repair as necessary.
NO: Replace front air control. Refer to "FRONT AIR CONTROL ".