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How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS 
  3. CHECK DTC OF NAVIGATION SYSTEM 
    1. Refer to the diagnostic check/clear of the navigation system (See DTC CHECK/CLEAR ).

    DTC IS OUTPUT (Go to  NAVIGATION SYSTEM  ) 

    DTC IS NOT OUTPUT (Go to step 4) 

  4. PROBLEM SYMPTOM CONFIRMATION 

    SYMPTOM DOES NOT OCCUR (Go to step 5) 

    SYMPTOM OCCURS (Go to step   6 ) 

  5. SYMPTOM SIMULATION 
  6. CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM 
    1. Refer to the 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 the problem symptoms table (See PROBLEM SYMPTOMS TABLE ).

    THE CORRESPONDING SYMPTOM EXISTS (Go to step   9 ) 

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

  8. BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW 
    1. TERMINALS OF ECU  (See ).
  9. ADJUST, REPAIR OR REPLACE 
  10. CONFIRMATION TEST 

    NEXT: END 

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