VEHICLE STABILITY CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the problem Click here.

      Tech Tips

      Interview the customer to confirm the following:


      • History of brake fluid replacement.

      • Whether the engine was stopped intentionally when driving.

      • Whether the brake and accelerator pedals were depressed simultaneously.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK DTC AND FREEZE FRAME DATA*


    1. Check and record DTCs and Freeze Frame Data.

    2. Clear the DTCs and Freeze Frame Data (See page for DTC Check/Clear, and Click here for Freeze Frame Data).

    3. Reconfirm the DTCs.


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

        Tech Tips


        • When DTCs indicating CAN communication system malfunctions are output, repair the CAN communication system first (See page for with Central Gateway ECU, Click here for without Central Gateway ECU).

        • If U0100, U0124 and/or U0126 are among the CAN communication DTCs that are output, first use the Data List to check for a momentary open circuit Click here.

        • If the GTS cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system (See page for with Central Gateway ECU, Click here for without Central Gateway ECU).

        • 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) (See page and Click here.

      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output (Problem symptom does not occur). B
      DTCs are not output (Problem symptom occurs). C

    B

    SYMPTOM SIMULATION Click here

    C

    GO TO STEP 6 Click here

    A

  4. DIAGNOSTIC TROUBLE CODE CHART


    1. Proceed to Diagnostic Trouble Code Chart Click here.

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 7 Click here

  5. SYMPTOM SIMULATION


    1. Proceed to How to Proceed with Troubleshooting Click here.

      Result
      Proceed to
      NEXT

    NEXT

  6. PROBLEM SYMPTOMS TABLE


    1. Proceed to Problem Symptoms Table Click here.

      Result
      Proceed to
      NEXT

    NEXT

  7. CIRCUIT INSPECTION*

    Result
    Proceed to
    NEXT

    NEXT

  8. IDENTIFICATION OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  9. REPAIR OR REPLACEMENT

    Result
    Proceed to
    NEXT

    NEXT

  10. CONFIRMATION TEST*

    Result
    Proceed to
    NEXT

    NEXT

    END