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

DESCRIPTION

The combination meter assembly blinks or turns off the seat belt warning light on the combination meter assembly in accordance with the state of the front seat inner belt assembly.

Tech Tips

The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat.

WIRING DIAGRAM

A01FV5ZE01

INSPECTION PROCEDURE

Note

The seat belt warning system uses the CAN communication system. First, confirm that there is no malfunction in the CAN communication system. Refer to the How to Proceed with Troubleshooting procedure Click here.

PROCEDURE


  1. CHECK DTC OUTPUT (AIRBAG SYSTEM)


    1. Clear the DTCs Click here.

    2. Recheck for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO AIRBAG SYSTEM Click here

    A

  2. READ VALUE USING GTS (DRIVER BUCKLE SW)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / SRS Airbag / Data List.

    5. Read the Data List according to the display on the GTS.

      SRS Airbag (Center Airbag Sensor Assembly)
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Driver Buckle SW Driver seat belt buckle switch / Set, Unset or NG

      Set: Driver seat belt fastened

      Unset: Driver seat belt unfastened

      NG: Data is not determined

      		 -
      Result
      Result Proceed to
      Unset or Set is displayed on the GTS screen according to the driver side seat belt condition A
      Unset or Set 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 Click here

    C

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    A

  3. PERFORM ACTIVE TEST USING GTS (DRIVER SIDE SEAT BELT)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

    5. Perform the Active Test according to the display on the GTS.

      Combination Meter (Combination Meter Assembly)
      Tester Display Test Part Control Range Diagnostic Note
      Driver Side Seat Belt Seat belt warning light OFF/ON -
      OK
      The driver side seat belt warning light on the combination meter assembly operates normally.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here