Inspection Flow
- CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - FRONT BLOWER
- Rotate the front blower control dial clockwise. Blower should operate.
- Rotate the front blower control dial clockwise, and continue checking blower speed and fan symbol until all speeds are checked.
Can the symptom be duplicated?
YES: GO TO 3.
NO: GO TO 2.
- CHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".
Does another symptom exist?
YES: Refer to "SYMPTOM TABLE ".
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 SYSTEM SELF-DIAGNOSIS FUNCTION ".
Are any self-diagnosis codes present?
YES: Refer to "SELF-DIAGNOSIS CODE CHART ".
NO: GO TO 5.
- CHECK BLOWER MOTOR OPERATION
Check and verify blower motor operates manually in all speeds.
Does blower motor operate in all speeds?
YES: GO TO 6.
NO: Refer to "DIAGNOSTIC PROCEDURE FOR BLOWER MOTOR ".
- CHECK ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT
Check engine coolant temperature sensor circuit. Refer to "DTC P0117, P0118 ECT SENSOR ".
OK or NG?
OK: GO TO 7.
NG: Refer to "DIAGNOSTIC PROCEDURE ".
- RECHECK FOR ANY SYMPTOMS
Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK (FRONT) ".
Does another symptom exist?
YES: Refer to "SYMPTOM TABLE ".
NO: Replace front air control. Refer to "FRONT AIR CONTROL ".