How To Proceed With Troubleshooting

LIGHTING SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

1. VEHICLE BROUGHT TO WORK SHOP
-- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Confirm problem symptoms.
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3. PROBLEM SYMPTOM CONFIRMATION
-- SYMPTOM DOES NOT OCCUR (GO TO STEP 4)
-- SYMPTOM OCCURS (GO TO STEP 6)
4. DTC CHECK

HINT: (Reading and Clearing Diagnostic Trouble Codes)

-- TROUBLE CODE (GO TO STEP 5)
-- NORMAL SYSTEM CODE (GO TO STEP 6)
5. DTC CHART

HINT: (Lighting System)

-- GO TO STEP 8
6. PROBLEM SYMPTOMS TABLE

HINT: (Symptom Related Diagnostic Procedures)

-- Continue to next step.
7. TERMINALS OF ECU

HINT: (Pinout Values and Diagnostic Parameters)

-- Continue to next step.
8. CIRCUIT INSPECTION
-- Continue to next step.
9. IDENTIFICATION OF PROBLEM
-- Continue to next step.
10. REPAIR OR REPLACE
-- Continue to next step.
11. CONFIRMATION TEST
-- END