Anti-Lock Brake System Skid Control Buzzer Circuit

Brake. Land Cruiser. Urj200, 202 Grj200 Vdj200
Brake Control Dynamic Control Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION LINE

PERFORM ACTIVE TEST USING GTS (BUZZER)

INSPECT COMBINATION METER ASSEMBLY

ANTI-LOCK BRAKE SYSTEM - Skid Control Buzzer Circuit


DESCRIPTION

The skid control ECU (master cylinder solenoid) is connected to the combination meter via CAN communication.
The combination meter has a built-in buzzer.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Brake Control Dynamic Control Systems.Anti-Lock Brake System.Anti-Lock Brake System Skid Control Buzzer Circuit


INSPECTION PROCEDURE

NOTICE:
After replacing the master cylinder solenoid, perform zero point calibration (Click here).
1.CHECK CAN COMMUNICATION LINE

  1. Turn the ignition switch off.

  1. Connect the GTS to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the GTS on.

  1. 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
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

D
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

E
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
A


2.PERFORM ACTIVE TEST USING GTS (BUZZER)

  1. Turn the ignition switch off.

  1. Connect the GTS to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the GTS on.

  1. 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.

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

    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 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


B
Go to step 3
A

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

3.INSPECT COMBINATION METER ASSEMBLY

  1. Inspect the combination meter (Click here).

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


B
REPLACE MASTER CYLINDER SOLENOID (Click here)

C
REPLACE MASTER CYLINDER SOLENOID (Click here)
A

REPLACE COMBINATION METER ASSEMBLY (Click here)