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How To Proceed With Troubleshooting

HINT: 

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. PROBLEM SYMPTOM CONFIRMATION 
    RESULT

    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    B → GO TO STEP 4 

    A: Go to next step 

  3. SYMPTOM SIMULATION 

    NEXT: Go to next step 

  4. CHECK MULTIPLEX COMMUNICATION SYSTEM* 
    1. Check for multiplex communication system DTCs.
      RESULT

      Result Proceed to
      MPX DTC is not output A
      MPX DTC is output B

      B → PROCEED TO  MULTIPLEX COMMUNICATION SYSTEM 

      A: Go to next step 

  5. CHECK CAN COMMUNICATION SYSTEM* 
    1. Check for CAN DTCs.
      RESULT

      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output B

      B → PROCEED TO  CAN COMMUNICATION SYSTEM 

      A: Go to next step 

  6. PROBLEM SYMPTOMS TABLE 

    NEXT: Go to next step 

  7. CIRCUIT INSPECTION 

    NEXT: Go to next step 

  8. TERMINALS OF ECU 

    NEXT: Go to next step 

  9. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

  10. REPAIR OR REPLACE 

    NEXT: Go to next step 

  11. CONFIRMATION TEST 

    NEXT → END