VEHICLE STABILITY CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is functioning normally. Check the CAN communication system first before troubleshooting the vehicle stability control system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Result
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  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the trouble.

      Click here

      Result
      Result
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  3. CHECK DTC AND FREEZE FRAME DATA*


    1. Check and record DTC and Freeze Frame Data.

      Click here for DTC Check/Clear

      Click here for Freeze Frame Data

    2. Clear the DTC and Freeze Frame Data.

      Click here for DTC Check/Clear

      Click here for Freeze Frame Data


      Chassis > ABS/VSC/TRC > Clear DTCs
    3. Reconfirm the DTC.


      1. Reconfirm the DTC based on the recorded DTC and Freeze Frame Data.

        Click here for DTC Check/Clear

        Click here for Freeze Frame Data


        Chassis > ABS/VSC/TRC > Trouble Codes

        Tech Tips


        • If DTC U0100, U0124 or U0126 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit.

          Click here

        • If there is no response from the skid control ECU (brake actuator assembly), inspect the IG1 circuit of the skid control ECU (brake actuator assembly).

          Click here

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

    DTC is not output (Problem symptom does not occur)
    DTC is not output (Problem symptom occurs)
    DTC is output
  4. DIAGNOSTIC TROUBLE CODE CHART


    1. Proceed to Diagnostic Trouble Code Chart.

      Click here

      Result
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  5. SYMPTOM SIMULATION


    1. Proceed to Check for Intermittent Problems.

      Click here

      Result
      Result
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  6. PROBLEM SYMPTOMS TABLE


    1. Proceed to Problem Symptoms Table.

      Click here

      Result
      Result
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  7. CIRCUIT INSPECTION*

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    Result
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  8. IDENTIFICATION OF PROBLEM

    Result
    Result
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  9. REPAIR OR REPLACE

    Result
    Result
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  10. CONFIRMATION TEST*

    Result
    Result
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