ELECTRONICALLY CONTROLLED BRAKE 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

      Result
      Proceed to
      NEXT

    NEXT

  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, and Click here for Freeze Frame Data).

    3. Reconfirm the DTC.


      1. Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data (Click here 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 before repairing each corresponding sensor.


        • If any of DTCs U0123/62, U0124/95, U0126/63, and U0293/59 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit.

          Click here

        • If the GTS cannot communicate with the skid control ECU, inspect the CAN communication system.


        • If there is no response from the skid control ECU, inspect the IG1 circuit of the skid control ECU.

          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 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
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    NEXT

    NEXT

  8. IDENTIFICATION OF PROBLEM

    Result
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    NEXT

    NEXT

  9. REPAIR OR REPLACEMENT

    Result
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    NEXT

    NEXT

  10. CONFIRMATION TEST*

    Result
    Proceed to
    NEXT

    NEXT

    END