SEAT BELT WARNING SYSTEM(w/ Occupant Classification System) Driver Side Seat Belt Warning Light does not Operate

DTC Code DTC Name
Driver Side Seat Belt Warning Light does not Operate

DESCRIPTION

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

Tip:

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

WIRING DIAGRAM

B342750E01

CAUTION / NOTICE / HINT

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 (AIRBAG SYSTEM)

    1. Clear the DTCs.

      Click here

      Body Electrical > SRS Airbag > Clear DTCs

    2. Check for DTCs.

      Click here

      Body Electrical > SRS Airbag > Trouble Codes

    Result

    Proceed to

    DTCs are not output

    DTCs are output
    DTCs are output

    GO TO AIRBAG SYSTEM

    Click here

    DTCs are not output

  2. READ VALUE USING GTS (LEFT SIDE 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.

      Body Electrical > SRS Airbag > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Left side Buckle SW

      Driver side buckle switch

      Unset, Set or NG

      Unset: Front seat belt LH not fastened

      Set: Front seat belt LH fastened

      NG: Data is not determined

      -

      Body Electrical > SRS Airbag > Data List

      Tester Display

      Left side Buckle SW

    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 LH

    Click here

    C

    REPLACE AIRBAG SENSOR ASSEMBLY

    Click here

    A

  3. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    1. Replace the main body ECU (multiplex network body ECU) with a new or normally functioning one.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  4. CHECK FRONT SEAT BELT WARNING LIGHT

    1. Check the operation of the front seat belt warning light.

      Click hereClick here

    Result

    Proceed to

    The front seat belt warning light operates normally

    The front seat belt warning light does not operate normally
    The front seat belt warning light operates normally

    END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE)

    The front seat belt warning light does not operate normally

    REPLACE COMBINATION METER ASSEMBLY

    Click here