LIGHTING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING



  1. VEHICLE BROUGHT TO WORK SHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. PROBLEM SYMPTOM CONFIRMATION

  4. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

  5. DTC CHECK (OTHER THAN MULTIPLEX DTC)

  6. DTC CHART

  7. PROBLEM SYMPTOMS TABLE

  8. TERMINALS OF ECU

  9. CIRCUIT INSPECTION

  10. IDENTIFICATION OF PROBLEM

  11. REPAIR OR REPLACE

  12. CONFIRMATION TEST