VEHICLE STABILITY CONTROL SYSTEM > Skid Control Buzzer Circuit

for Preparation Click here


DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.
The combination meter has a built-in skid control buzzer. The skid control buzzer sounds during VSC operation.

WIRING DIAGRAM


C163219E04


INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration (Click here).

1.CHECK CAN COMMUNICATION SYSTEM

  1. Check if CAN communication system DTCs are output (Click here).

    Result:

    Result
    		Proceed to
    DTC not output
    		A
    DTC output
    		B



B
CHECK CAN COMMUNICATION SYSTEM (Click here)
A


2.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER)

  1. Connect the intelligent tester to the DLC3.

  1. Start the engine.

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

    ABS/VSC/TRC (Skid Control ECU) 
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Buzzer
    		Skid control buzzer
    		Buzzer ON/OFF
    		Buzzer can be heard

  1. Check that the buzzer sounds or stops in accordance with the intelligent tester.

    Result:

    Result
    		Proceed to
    Buzzer does not sound or stop constantly
    		A
    Buzzer sounds and stops
    		B



B
REPLACE BRAKE ACTUATOR ASSEMBLY (Click here)
A


3.REPLACE COMBINATION METER ASSEMBLY

  1. Turn the ignition switch off.

  1. Replace the combination meter (Click here).


NEXT


4.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER)

  1. Connect the intelligent tester to the DLC3.

  1. Start the engine.

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

    ABS/VSC/TRC (Skid Control ECU) 
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Buzzer
    		Skid control buzzer
    		Buzzer ON/OFF
    		Buzzer can be heard

  1. Check that the buzzer sounds or stops in accordance with the intelligent tester.

    Result:

    Result
    		Proceed to
    Buzzer does not sound or stop constantly
    		A
    Buzzer sounds and stops
    		B



B
END
A

REPLACE BRAKE ACTUATOR ASSEMBLY (Click here)