VEHICLE STABILITY CONTROL SYSTEM VSC Buzzer Circuit

DTC Code DTC Name
VSC Buzzer Circuit

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.

The combination meter assembly has a built-in buzzer.

WIRING DIAGRAM

C230884E16

CAUTION / NOTICE / HINT

Note:

When replacing the skid control ECU (brake actuator assembly), perform zero point calibration.

Click here

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    1. Check if CAN communication system DTCs are output.

      for LHD:Click hereClick hereClick here

      for RHD:Click hereClick hereClick here

    Result

    Proceed to

    DTC is not output

    DTC is output (for LHD)

    DTC is output (for RHD)

    DTC is output (for LHD)

    CHECK CAN COMMUNICATION SYSTEM

    DTC is output (for RHD)

    CHECK CAN COMMUNICATION SYSTEM

    DTC is not output
  2. 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.

    6. According to the display on the GTS, perform the Active Test.

    7. When performing the Buzzer Active Test, check Buzzer in the Data List.

    Chassis > ABS/VSC/TRC > Active Test

    Tester Display

    Measurement Item

    Control Range

    Diagnostic Note

    Buzzer

    meter buzzer

    ON/OFF

    Buzzer can be heard

    Vehicle condition: Vehicle stopped

    Chassis > ABS/VSC/TRC > Data List

    Tester Display

    Measurement Item

    Range

    Normal Condition

    Diagnostic Note

    Buzzer

    Meter buzzer

    ON or OFF

    OFF: Buzzer off

    ON: Buzzer on

    The combination meter assembly has a built-in buzzer.

    Chassis > ABS/VSC/TRC > Active Test

    Active Test Display

    Buzzer

    Data List Display

    Buzzer

    Result

    Result

    Proceed to

    Buzzer in the Data List does not change using the Active Test

    A

    Buzzer in the Data List turns ON/OFF using the Active Test

    B

    A

    REPLACE BRAKE ACTUATOR ASSEMBLY

    B
  3. INSPECT COMBINATION METER ASSEMBLY

    1. Inspect the combination meter.

      Click hereClick hereClick here

      Result

      Result

      OK

      NG

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY

    NG

    REPLACE COMBINATION METER ASSEMBLY