How to Perform Trouble Diagnosis

How to Perform Trouble Diagnosis
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-93, "System Description". Auto Light System
3. Perform the Preliminary Check. Refer to LT-103, "Preliminary Check". Preliminary Check
4. Check symptom and repair or replace the cause of malfunction. Refer to LT-106, "Symptom Chart". Auto Light System
5. Does the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END.