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

A01X1ACE08
A01X1ACE09

PROCEDURE


  1. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      for LHD A
      for RHD B

    B

    CHECK FOR DTC Click here

    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.

    OK

    END (CENTER AIRBAG SENSOR ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE COMBINATION METER Click here

  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.

    OK

    END (CENTER AIRBAG SENSOR ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE COMBINATION METER Click here