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How To Proceed With Troubleshooting

HINT:

  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 FOR DTC (ELECTRIC POWER CONTROL SYSTEM)* 
    1. Using the Techstream, check if the electric power control system is functioning normally.

      Result 

      RESULT CHART

      Result Proceed to
      DTC B22B3 is not output A
      DTC B22B3 is output B

    B:  Go to ELECTRIC POWER CONTROL SYSTEM

    A: Go to next step 

  4. CHECK CAN COMMUNICATION SYSTEM* 
    1. Use the Techstream to check if the CAN communication system is functioning.

      Result 

      RESULT CHART

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

    B:  Go to CAN COMMUNICATION SYSTEM

    A: Go to next step 

  5. CHECK FOR DTC* 
    1. Check for DTC (see DTC CHECK / CLEAR  ).
    2. Clear the DTC (see DTC CHECK / CLEAR  ).
    3. Recheck the DTC (see DTC CHECK / CLEAR  ).

      Result 

      RESULT CHART

      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs B

    B: Go to DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to next step 

  6. PROBLEM SYMPTOMS TABLE 

    Result 

    RESULT CHART

    Result Proceed to
    Fault is not listed on problem symptoms table A
    Fault is listed on problem symptoms table B

    B: Go to step  8

    A: Go to next step 

  7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU (see TERMINALS OF ECU  )
    2. DATA LIST/ACTIVE TEST (see DATA LIST / ACTIVE TEST  )
  8. REPAIR 
  9. CONFIRMATION TEST 

    NEXT: END