VEHICLE STABILITY CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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 intelligent tester..


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the trouble.


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  3. CHECK DTC AND FREEZE FRAME DATA*


    1. Check and record DTC and Freeze Frame Data.

    2. Clear the DTC and Freeze Frame Data Click here for DTC Check/Clear, or Click here for Freeze Frame Data).

    3. Reconfirm the DTC.


      1. Reconfirm the DTC based on the recorded DTC and Freeze Frame Data Click here for DTC Check/Clear, or Click here for Freeze Frame Data).

        Tech Tips

        If any of the DTCs U0100/65, U0123/62, U0124/95, and U0126/63 are output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit Click here.

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

      B

      GO TO STEP 5
      C

      GO TO STEP 6
      A

  4. DIAGNOSTIC TROUBLE CODE CHART


    1. Proceed to Diagnostic Trouble Code Chart Click here.


      NEXT
      GO TO STEP 7

  5. SYMPTOM SIMULATION


    1. Proceed to Check for Intermittent Problems Click here.


      NEXT

  6. PROBLEM SYMPTOMS TABLE


    1. Proceed to Problem Symptoms Table Click here.


      NEXT

  7. CIRCUIT INSPECTION*


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  8. IDENTIFICATION OF PROBLEM


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  9. REPAIR OR REPLACEMENT


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  10. CONFIRMATION TEST*


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    END