VEHICLE STABILITY CONTROL SYSTEM VSC Buzzer Circuit

DESCRIPTION

The skid control ECU (master cylinder solenoid) is connected to the combination meter assembly via CAN communication.

The combination meter assembly has a built-in buzzer.

WIRING DIAGRAM

B001XATE30
*1 Buzzer
*2 Skid Control ECU (Master Cylinder Solenoid)
*3 Combination Meter Assembly
*4 CAN Communication System

CAUTION / NOTICE / HINT

Note

After replacing the master cylinder solenoid, perform zero point calibration and store the system information Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION LINE


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON and the GTS on.

    4. Select "CAN Bus Check" from the System Selection Menu screen, and follow the prompts on the screen to inspect the CAN Bus.

      OK
      "CAN Bus Check" indicates no malfunctions in CAN communication.
      Result
      Result Proceed to
      OK A
      NG (for LHD (with Central Gateway ECU)) B
      NG (for LHD (without Central Gateway ECU)) C
      NG (for RHD (with Central Gateway ECU)) D
      NG (for RHD (without Central Gateway ECU)) E

    B
    C
    D
    E
    A
  2. CHECK DTC (CAN COMMUNICATION SYSTEM)


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON and the GTS on.

    4. for LHD (with Central Gateway ECU):

      Check for DTCs Click here.

    5. for LHD (without Central Gateway ECU):

      Check for DTCs Click here.

    6. for RHD (with Central Gateway ECU):

      Check for DTCs Click here.

    7. for RHD (without Central Gateway ECU):

      Check for DTCs Click here.

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD (with Central Gateway ECU)) B
      CAN DTC is output (for LHD (without Central Gateway ECU)) C
      CAN DTC is output (for RHD (with Central Gateway ECU)) D
      CAN DTC is output (for RHD (without Central Gateway ECU)) E

    B
    C
    D
    E
    A
  3. PERFORM ACTIVE TEST USING GTS (BUZZER)


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON.

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.

      ABS/VSC/TRC
      Tester Display Test Part Control Range Diagnostic Note
      Buzzer Buzzer Buzzer ON/OFF The buzzer can be heard.
    6. When performing the Buzzer Active Test, check Buzzer in the Data List Click here.

      ABS/VSC/TRC
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Buzzer Buzzer/ ON or OFF

      ON: Buzzer on

      OFF: Buzzer off

      The combination meter assembly has a built-in buzzer.
      Result
      Result Proceed to
      Data List Display Data List Display when Performing Active Test ON/OFF Operation
      ON Changes between ON and OFF A
      Does not change between ON and OFF B
      OFF Changes between ON and OFF A
      Does not change between ON and OFF B

    A
    B
  4. INSPECT COMBINATION METER ASSEMBLY


    1. Inspect the combination meter assembly Click here.

      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C

    A
    B
    C