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How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS 
  3. PROBLEM SYMPTOM CONFIRMATION 

    SYMPTOM DOES NOT OCCUR (Go to step 4) 

    SYMPTOM OCCURS (Go to step  5)

  4. SYMPTOM SIMULATION 
  5. CHECK FOR DTC 
    1. Refer to DTC Check / Clear in the Navigation System (See DTC CHECK / CLEAR )

    DTC IS OUTPUT (Go to step  9)

    DTC IS NOT OUTPUT (Go to step 6) 

  6. CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM 
    1. Refer to Navigation System (See PROBLEM SYMPTOMS TABLE )

    THE SYMPTOM APPEARS (FOLLOW THE NAVIGATION SYMPTOM CHART TO PERFORM TROUBLESHOOTING) 

    THE SYMPTOM DOES NOT APPEAR (Go to step 7) 

  7. PROBLEM SYMPTOMS TABLE 
    1. Refer to PROBLEM SYMPTOMS TABLE 

    THE CORRESPONDING SYMPTOM EXISTS (Go to step  9)

    THE CORRESPONDING SYMPTOM DOES NOT EXIST (Go to step 8) 

  8. CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM 
    1. Refer to TERMINALS OF ECU 
  9. ADJUST, REPAIR OR REPLACE 
  10. CONFIRMATION TEST 

    NEXT: END 

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