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How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS 
  3. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM 
    1. Check for DTC output (See DIAGNOSIS SYSTEM )

      Result 

      RESULT CHART

      Result Proceed to
      No DTC is output A
      DTC is output B

    A: GO TO STEP 4 

    B: GO TO MULTIPLEX COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

  4. CHECK CAN COMMUNICATION SYSTEM 
    1. Check for DTC output (See DIAGNOSIS SYSTEM )

      Result 

      RESULT CHART

      Result Proceed to
      No DTC is output A
      DTC is output B

    A: GO TO STEP 5 

    B: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

  5. PROBLEM SYMPTOM CONFIRMATION 
  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to PROBLEM SYMPTOMS TABLE 
  7. CIRCUIT INSPECTION 
  8. REPAIR OR REPLACE 
  9. CONFIRMATION TEST 

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