Vehicle Stability Control System (W/ Vdim) How To Proceed With Troubleshooting

Brake. Lexus Is250, Is220D. Gse20 Ale20
Brake Control. Lexus Is250, Is220D. Gse20 Ale20

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CHECK DTC AND FREEZE FRAME DATA

  4. DIAGNOSTIC TROUBLE CODE CHART

  5. SYMPTOM SIMULATION

  6. PROBLEM SYMPTOMS TABLE

  7. CIRCUIT INSPECTION

  8. IDENTIFICATION OF PROBLEM

  9. REPAIR OR REPLACEMENT

  10. CONFIRMATION TEST

Vehicle Stability Control System (W/ Vdim) -- How To Proceed With Troubleshooting


HINT:
  1. The vehicle stability control system troubleshooting procedures are based on the premise that the multiplex communication system is operating normally. Check the multiplex communication system first before troubleshooting the vehicle stability control system.
  2. The intelligent tester can be used at steps 3, 7, and 10.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

    1. Interview and confirm the trouble (Click here).


    NEXT


    3.CHECK DTC AND FREEZE FRAME DATA

    1. Check and record a DTC and Freeze Frame Data.

    2. Clear the DTC and Freeze Frame Data (Click here).

    3. Reconfirm the DTC.

      1. Reconfirm the DTC based on the recorded DTC and Freeze Frame Data (Click here).

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

        Result:

        Condition
        		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 5

    		C.
    GO TO STEP 6
    A


    4.DIAGNOSTIC TROUBLE CODE CHART

      NEXT

      GO TO STEP 7


      5.SYMPTOM SIMULATION

        NEXT


        6.PROBLEM SYMPTOMS TABLE

          NEXT


          7.CIRCUIT INSPECTION

            NEXT


            8.IDENTIFICATION OF PROBLEM

              NEXT


              9.REPAIR OR REPLACEMENT

                NEXT


                10.CONFIRMATION TEST

                  NEXT

                  END