ANTI-LOCK BRAKE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • The anti-lock brake 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 anti-lock brake system.


  • *: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the trouble.

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*


    1. Check and record DTC and Freeze Frame Data.

    2. Clear the DTC and Freeze Frame Data.

      DTC Check/Clear: Click here

      Freeze Frame Data: Click here

    3. Reconfirm the DTC.


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

        DTC Check/Clear: Click here

        Freeze Frame Data: Click here

        Tech Tips

        If DTC U0073, U0114 or U0124 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit.

        Click here

      Result
      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

    SYMPTOM SIMULATION Click here

    C

    GO TO STEP 7 Click here

    A

  5. DIAGNOSTIC TROUBLE CODE CHART


    1. Proceed to Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 8 Click here

  6. SYMPTOM SIMULATION


    1. Proceed to How to Proceed with Troubleshooting.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. PROBLEM SYMPTOMS TABLE


    1. Proceed to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. CIRCUIT INSPECTION*

    Result
    Proceed to
    NEXT

    NEXT

  9. IDENTIFICATION OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  10. REPAIR OR REPLACEMENT

    Result
    Proceed to
    NEXT

    NEXT

  11. CONFIRMATION TEST*

    Result
    Proceed to
    NEXT

    NEXT

    END