Anti-Lock Brake System How To Proceed With Troubleshooting

Brake. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Brake Control. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK AND CLEAR DTC*

  4. PROBLEM SYMPTOM CONFIRMATION

  5. SYMPTOM SIMULATION

  6. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

  7. CHECK FOR DTC*

  8. PROBLEM SYMPTOMS TABLE

  9. OVERALL ANALYSIS AND TROUBLESHOOTING

  10. CHECK FOR FLUID LEAKAGE

  11. REPAIR OR REPLACE

  12. CONFIRMATION TEST

Anti-Lock Brake System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the Anti-lock Brake System (ABS).
  2. *: 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 7
      A


      5.SYMPTOM SIMULATION

        NEXT


        6.CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

        1. Use the intelligent tester to check for normal functioning of the CAN communication system.

          1. Perform bus check (communication malfunction DTC).

          2. Result:
          Result
          		Proceed to
          DTC is not output
          		A
          DTC is output
          		B


        		B.
        Go to CAN COMMUNICATION SYSTEM
        A


        7.CHECK FOR DTC*
          Result:
          Result
          		Proceed to
          DTC is not output
          		A
          DTC is output
          		B


        		B.
        Go to step 10
        A


        8.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 10
        A


        9.OVERALL ANALYSIS AND TROUBLESHOOTING

        1. Terminals of ECU (RAV4_ACA30 RM000000ONH01FX.html)

        2. Data List / Active Test (RAV4_ACA30 RM000000ONK01DX.html)


        NEXT

        Go to step 11


        10.CHECK FOR FLUID LEAKAGE

          NEXT


          11.REPAIR OR REPLACE

            NEXT


            12.CONFIRMATION TEST

              NEXT

              END