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.