Vehicle Stability Control System (For Hydraulic Brake Booster) How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  4. CHECK DTC AND FREEZE FRAME DATA*

  5. CLEAR DTC AND FREEZE FRAME DATA*

  6. PROBLEM SYMPTOM CONFIRMATION

  7. DTC CHECK AND CLEAR*

  8. PROBLEM SYMPTOM CONFIRMATION

  9. SYMPTOM SIMULATION

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

  11. PROBLEM SYMPTOMS TABLE

  12. DTC CHART

  13. CIRCUIT INSPECTION*

  14. IDENTIFICATION OF PROBLEM

  15. REPAIR OR REPLACE

  16. CONFIRMATION TEST*

Vehicle Stability Control System (For Hydraulic Brake Booster) -- How To Proceed With Troubleshooting


HINT:
*: 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.INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the intelligent tester, inspect the CAN communication function to make sure there are no malfunctions in the CAN communication system (for LHD: LandCruiser RM000000WIB0ECX.html, for RHD: LandCruiser RM000000WIB0EEX.html).

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

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


    		B.
    GO TO CAN COMMUNICATION SYSTEM
    A


    4.CHECK DTC AND FREEZE FRAME DATA*

      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*

        NEXT


        6.PROBLEM SYMPTOM CONFIRMATION

          NEXT


          7.DTC CHECK AND CLEAR*

            NEXT


            8.PROBLEM SYMPTOM CONFIRMATION
              Result
              Result
              		Proceed to
              Symptom does not occur
              		A
              Symptom occurs
              		B


            		B.
            GO TO STEP 11
            A


            9.SYMPTOM SIMULATION

              NEXT


              10.CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*
                Result
                Result
                		Proceed to
                DTC is not output
                		A
                DTC is output
                		B


              		B.
              GO TO STEP 12
              A


              11.PROBLEM SYMPTOMS TABLE

                NEXT

                GO TO STEP 14


                12.DTC CHART

                  NEXT


                  13.CIRCUIT INSPECTION*

                    NEXT


                    14.IDENTIFICATION OF PROBLEM

                      NEXT


                      15.REPAIR OR REPLACE

                        NEXT


                        16.CONFIRMATION TEST*

                          NEXT

                          END