FixVault

How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS 
    1. Interview the customer to confirm the trouble.
  3. CHECK CAN COMMUNICATION SYSTEM 
    1. Check for DTCs (See DTC CHECK / CLEAR  ).

      HINT:

      The skid control ECU is connected to the CAN communication system.

      Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

      Result 

      RESULT CHART

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

    B: CHECK CAN COMMUNICATION CIRCUIT 

    A: Go to next step 

  4. CHECK DTC AND FREEZE FRAME DATA 
    1. Check for DTCs and Freeze Frame Data (See for DTC CHECK / CLEAR , for FREEZE FRAME DATA ).
      1. Record the DTCs and Freeze Frame Data.
    2. Clear the DTCs.
    3. Recheck for DTCs.
      1. Reproduce the malfunction and check if the DTCs are output again.

        Result 

        RESULT CHART

        Result Proceed to
        DTC is output A
        DTC is not output (Problem symptom does not occur) B
        DTC is not output (Problem symptom occurs) C

    B:  GO TO STEP  9

    C:  GO TO STEP  10

    A: Go to next step 

  5. DIAGNOSTIC TROUBLE CODE CHART 
    1. Go to "DIAGNOSTIC TROUBLE CODE CHART " .
  6. CIRCUIT INSPECTION 
  7. REPAIR OR REPLACE 
  8. CONFIRMATION TEST 

    NEXT : END 

  9. SYMPTOM SIMULATION 
  10. PROBLEM SYMPTOMS TABLE 
    1. Go to "PROBLEM SYMPTOMS TABLE " .
  11. CIRCUIT INSPECTION 
  12. REPAIR OR REPLACE 
  13. CONFIRMATION TEST 

    NEXT : END