ANTI-LOCK BRAKE SYSTEM (w/ Rear Differential Lock) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the Anti-lock Brake System (ABS).

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. 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. CHECK AND CLEAR DTC*


    NEXT

  4. PROBLEM SYMPTOM CONFIRMATION

    Result
    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    B

    Go to step 6
    A

  5. SYMPTOM SIMULATION


    NEXT

  6. CHECK FOR DTC*

    Result
    Result Proceed to
    DTC is not output A
    DTC is output B

    B

    Go to step 9
    A

  7. PROBLEM SYMPTOMS TABLE

    Result
    Result Proceed to
    Fault is not listed in problem symptoms table A
    Fault is listed in problem symptoms table B

    B

    Go to step 9
    A

  8. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU Click here

    2. Data List / Active Test Click here


      NEXT
      Go to step 10

  9. CHECK FOR FLUID LEAKAGE


    NEXT

  10. REPAIR OR REPLACE


    NEXT

  11. CONFIRMATION TEST


    NEXT
    END