Diagnostic Strategies

How to Proceed With Trouble Diagnosis
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to "System Description".
3. Perform the Preliminary Check. Refer to LT-49, "Preliminary Check". Initial Inspection and Diagnostic Overview
4. Check symptom and repair or replace the cause of malfunction.
5. Does the front fog lamp operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.