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How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. INSPECT BATTERY VOLTAGE 

    Standard voltage: 11 to 14 V 

    If the voltage is below 11V, recharge or replace the battery before proceeding.

  3. CHECK MULTIPLEX COMMUNICATION SYSTEM* 
    1. Check for DTCs (see DTC CHECK / CLEAR ).

      Result 

      RESULT REFERENCE

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

    B:  GO TO MULTIPLEX COMMUNICATION SYSTEM

    A: Go to Next Step 

  4. CHECK CAN COMMUNICATION SYSTEM* 
    1. Check for DTCs.

      Result 

      RESULT REFERENCE

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

    B:  GO TO CAN COMMUNICATION SYSTEM

    A: Go to Next Step 

  5. CHECK DTC* 
    1. Check for DTCs.
    2. Clear the DTCs.
    3. Recheck for DTCs.
      1. Simulate the malfunction and check if the DTCs are output again (see DTC CHECK / CLEAR  ).

        Result 

        RESULT REFERENCE

        Result Proceed to
        DTC is output A
        DTC is not output B
        DTCs are not output, and the malfunction can not be simulated or checked. C

    B:  GO TO STEP  10

    C: SYMPTOM SIMULATION 

    A: Go to Next Step 

  6. DTC CHART 
  7. CIRCUIT INSPECTION 
  8. REPAIR 
  9. CONFIRMATION TEST 

    NEXT: END 

  10. PROBLEM SYMPTOMS TABLE 
  11. CIRCUIT INSPECTION 
  12. CONFIRMATION TEST 

    NEXT: END