Vehicle Stability Control System (For Hydraulic Brake Booster) Brake Warning Light Does Not Come On


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION LINE

READ VALUE USING INTELLIGENT TESTER (BRAKE WARNING LIGHT)

VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster) - Brake Warning Light does not Come ON


DESCRIPTION

Refer to Brake Warning Light Remains ON (LandCruiser RM00000451Q01KX_01.html).

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON (LandCruiser RM00000451Q01KX_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the master cylinder solenoid, perform calibration (LandCruiser RM00000452J00ZX.html).
1.CHECK CAN COMMUNICATION LINE

  1. Turn the ignition switch off.

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the intelligent tester on.

  1. Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus (for LHD: LandCruiser RM000000WIB0ECX.html, for RHD: LandCruiser RM000000WIB0EEX.html).

    OK:
    CAN Bus Check indicates no malfunctions in CAN communication.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for LHD)
    		B
    NG (for RHD)
    		C


B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (LandCruiser RM000001RSO0C5X.html)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (LandCruiser RM000001RSO0BZX.html)
A


2.READ VALUE USING INTELLIGENT TESTER (BRAKE WARNING LIGHT)

  1. Turn the ignition switch off.

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the intelligent tester on.

  1. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

    ABS/VSC/TRC
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Brake Warning Light
    		Brake warning light/ ON or OFF
    		ON: Warning light on
    OFF: Warning light off
    		-

  1. When performing the Brake Warning Light Active Test, check Brake Warning Light in the Data List (LandCruiser RM000001DWY02VX.html).

    ABS/VSC/TRC
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Brake Warning Light
    		Brake warning light
    		Warning light ON/OFF
    		Observe the combination meter.

    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 (for LHD)
    		B
    Does not change between ON and OFF (for RHD)
    		C
    OFF
    		Changes between ON and OFF
    		A
    Does not change between ON and OFF (for LHD)
    		B
    Does not change between ON and OFF (for RHD)
    		C



B
REPLACE MASTER CYLINDER SOLENOID (LandCruiser RM00000171U02DX.html)

C
REPLACE MASTER CYLINDER SOLENOID (LandCruiser RM00000171U02EX.html)
A

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (LandCruiser RM000002Z4L055X.html)