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ANTI-LOCK BRAKE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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Tip:

*: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    INSPECT BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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


    • NEXT
  3. Click here

    INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the intelligent tester, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

      Table 1. Result
      Result Proceed to
      No DTCs (CAN communication system) output A
      DTCs (CAN communication system) output B
      Tip:

      The skid control ECU sends the signals of each warning light via CAN communication.


      • B
      • PROCEED TO CAN COMMUNICATION SYSTEM
      • A
  4. Click here

    CHECK DTC AND FREEZE FRAME DATA*


    • NEXT
  5. Click here

    CLEAR DTC AND FREEZE FRAME DATA*


    • NEXT
  6. Click here

    PROBLEM SYMPTOM CONFIRMATION


    • NEXT
  7. Click here

    DTC CHECK AND CLEAR*


    • NEXT
  8. Click here

    PROBLEM SYMPTOM CONFIRMATION

    Table 2. Result
    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    • B
    • GO TO STEP 10
    • A
  9. Click here

    SYMPTOM SIMULATION


    • NEXT
  10. Click here

    CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*

    Table 3. Result
    Result Proceed to
    No DTCs output A
    DTCs output B

    • B
    • GO TO STEP 12
    • A
  11. Click here

    PROBLEM SYMPTOMS TABLE


    • NEXT
    • GO TO STEP 14
  12. Click here

    DIAGNOSTIC TROUBLE CODE CHART


    • NEXT
  13. Click here

    CIRCUIT INSPECTION*


    • NEXT
  14. Click here

    IDENTIFICATION OF PROBLEM


    • NEXT
  15. Click here

    REPAIR OR REPLACE


    • NEXT
  16. Click here

    CONFIRMATION TEST*


    • NEXT
    • END