Diagnostic Strategies

How to Proceed With Trouble Diagnosis
1. Confirm the malfunction symptom or customer complaint.
2. Understand system description.
Refer to "System Description".
System Description

3. Conduct pre-inspection.
Refer to "Inspection Before Diagnosis".
Inspection Before Diagnosis

4. Find cause of malfunction by following the symptoms in the trouble diagnosis chart and repair or replace as necessary.
Refer to "Trouble Diagnosis Chart by Symptom".
Symptom Chart

5. Does automatic light system operate normally?
If it operates normally, go to 6.
If it does not operate normally, go to 4.

6. End.