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


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT ABS WARNING LIGHT

CHECK CAN COMMUNICATION LINE

READ VALUE USING INTELLIGENT TESTER (ABS WARNING LIGHT)

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


DESCRIPTION

Refer to ABS Warning Light Remains ON (LandCruiser RM00000451O01IX.html).

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON (LandCruiser RM00000451O01IX_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the master cylinder solenoid, perform calibration (LandCruiser RM00000452J00ZX.html).
1.INSPECT ABS WARNING LIGHT

  1. Disconnect the 2 skid control ECU connectors.

  1. Turn the ignition switch to ON.

  1. Check that the ABS warning light comes on.

    OK:
    ABS warning light comes on.
    Result
    Result
    		Proceed to
    NG
    		A
    OK (for LHD)
    		B
    OK (for RHD)
    		C


B
REPLACE MASTER CYLINDER SOLENOID (LandCruiser RM00000171U02DX.html)

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


2.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


3.READ VALUE USING INTELLIGENT TESTER (ABS 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
    ABS Warning Light
    		ABS warning light/ ON or OFF
    		OFF
    		-

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

    ABS/VSC/TRC
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    ABS Warning Light
    		ABS 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)