Seat Belt Warning System Driver Side Seat Belt Warning Light Does Not Operate

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Seat Belt. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK VEHICLE TYPE

CHECK FOR DTC

READ VALUE USING GTS (DRIVER SIDE BUCKLE SWITCH)

CHECK DRIVER SIDE SEAT BELT WARNING LIGHT

CHECK FOR DTC

READ VALUE USING GTS (DRIVER SIDE BUCKLE SWITCH)

CHECK DRIVER SIDE SEAT BELT WARNING LIGHT

SEAT BELT WARNING SYSTEM - Driver Side Seat Belt Warning Light does not Operate


DESCRIPTION

When the ignition switch ON, the center airbag sensor assembly transmits front seat inner belt state signals to the combination meter assembly through the CAN. If the driver seat belt is not fastened, the combination meter assembly blinks the driver side seat belt warning light. If the seat belt is fastened, the warning light goes off.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat Belt.Seat Belt Tension Reducer System.Seat Belt Warning System Driver Side Seat Belt Warning Light Does Not Operate


Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat Belt.Seat Belt Tension Reducer System.Seat Belt Warning System Driver Side Seat Belt Warning Light Does Not Operate


INSPECTION PROCEDURE

1.CHECK VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    for LHD
    		A
    for RHD
    		B


B
Go to step 5
A


2.CHECK FOR DTC

  1. Check for DTCs.

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    CAN communication system DTC is output (for LHD with Central Gateway ECU)
    		B
    CAN communication system DTC is output (for LHD without Central Gateway ECU)
    		C
    Airbag system DTC is output
    		D


B
Go to CAN COMMUNICATION SYSTEM (Click here)

C
Go to CAN COMMUNICATION SYSTEM (Click here)

D
Go to AIRBAG SYSTEM (Click here)
A


3.READ VALUE USING GTS (DRIVER SIDE BUCKLE SWITCH)

  1. Check the Data List for proper functioning of the driver side seat belt buckle switch.

    SRS Airbag
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Driver Buckle SW
    		Driver side seat belt / Set, Unset or NG
    		Set: Driver side seat belt is fastened
    Unset: Driver side seat belt is unfastened
    		NG: Data is not determined
    Result
    Result
    		Proceed to
    Set or Unset is displayed on the GTS screen according to the driver side seat belt condition
    		A
    Set or Unset is not displayed normally on the GTS screen according to the driver side seat belt condition
    		B
    NG is displayed on the GTS screen
    		C


B
REPLACE FRONT SEAT INNER BELT ASSEMBLY (for Driver Side) (Click here)

C
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (Click here)
A


4.CHECK DRIVER SIDE SEAT BELT WARNING LIGHT

  1. Check the driver side seat belt warning light function (Click here).

    OK:
    Driver side seat belt warning light operates normally.


NG
REPLACE COMBINATION METER (Click here)
OK

END (CENTER AIRBAG SENSOR ASSEMBLY IS DEFECTIVE)

5.CHECK FOR DTC

  1. Check for DTCs.

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    CAN communication system DTC is output (for RHD with Central Gateway ECU)
    		B
    CAN communication system DTC is output (for RHD without Central Gateway ECU)
    		C
    Airbag system DTC is output
    		D


B
Go to CAN COMMUNICATION SYSTEM (Click here)

C
Go to CAN COMMUNICATION SYSTEM (Click here)

D
Go to AIRBAG SYSTEM (Click here)
A


6.READ VALUE USING GTS (DRIVER SIDE BUCKLE SWITCH)

  1. Check the Data List for proper functioning of the driver side seat belt buckle switch.

    SRS Airbag
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Driver Buckle SW
    		Driver side seat belt / Set, Unset or NG
    		Set: Driver side seat belt is fastened
    Unset: Driver side seat belt is unfastened
    		NG: Data is not determined
    Result
    Result
    		Proceed to
    Set or Unset is displayed on the tester screen according to the driver side seat belt condition
    		A
    Set or Unset is not displayed normally on the GTS screen according to the driver side seat belt condition
    		B
    NG is displayed on the GTS screen
    		C


B
REPLACE FRONT SEAT INNER BELT ASSEMBLY (for Driver Side) (Click here)

C
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (Click here)
A


7.CHECK DRIVER SIDE SEAT BELT WARNING LIGHT

  1. Check the driver side seat belt warning light function (Click here).

    OK:
    Driver side seat belt warning light operates normally.


NG
REPLACE COMBINATION METER (Click here)
OK

END (CENTER AIRBAG SENSOR ASSEMBLY IS DEFECTIVE)