FixVault

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 11 V, recharge or replace the battery before proceeding.

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

      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. 

  4. CHECK FOR DTC* 
    1. Check for DTCs (See DTC CHECK/CLEAR  ).
    2. Clear the DTCs (See DTC CHECK/CLEAR  ).
    3. Recheck for DTCs (See DTC CHECK/CLEAR  ).

      Result 

      RESULT CHART

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

    B:  Go to DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to next step. 

  5. PROBLEM SYMPTOMS TABLE 

    Result 

    RESULT CHART

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

    B:  Go to step  8

    A: Go to next step. 

  6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU (See TERMINALS OF ECU  )
    2. Data List/Active Test (See DATA LIST / ACTIVE TEST  )
  7. REPAIR 
  8. CONFIRMATION TEST 

    NEXT: END