Automatic Air Conditioning

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow


OVERALL SEQUENCE







DETAILED FLOW


1. INTERVIEW CUSTOMER

Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
- GO TO 2.

2. SYMPTOM CHECK

Verify symptoms.
- GO TO 3.

3. CHECK FOR DTCS

With CONSULT
1.Turn ignition switch ON.
2.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
3.Check DTC.
Is any DTC detected?
YES- GO TO 4.
NO- GO TO 5.

4. PERFORM DTC DIAGNOSTIC PROCEDURE

Perform the diagnostic procedure for the detected DTC. Refer to "DTC Inspection Priority Chart" Automatic Air Conditioning.
- GO TO 7.

5. OPERATION CHECK

Perform the operation check. Refer to "Work Procedure" Automatic Air Conditioning.
- GO TO 6.

6. SYMPTOM DIAGNOSIS

Check the symptom diagnosis table. Refer to "Diagnosis Chart By Symptom" Heater And Air Conditioning System Control Symptoms.
- GO TO 8.

7. VERIFY REPAIR.

With CONSULT
1.Turn ignition switch ON.
2.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
3.Check DTC.
Is any DTC detected?
YES- GO TO 4.
NO- GO TO 8.

8. PERFORM FINAL OPERATION CHECK

Perform the operation check. Refer to "Work Procedure" Automatic Air Conditioning.
Does it operate normally?
YES- Inspection End.
NO- GO TO 2.