SEAT BELT WARNING 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 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 (driver seat).

WIRING DIAGRAM

B371358E01

PROCEDURE

  1. READ VALUE USING GTS

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Data List.

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

      Body Electrical > Combination Meter > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Driver Side Seatbelt Buckle Switch

      Driver seat belt buckle switch signal

      ON or OFF

      OFF: Driver seat belt fastened

      ON: Driver seat belt unfastened

      -

      Body Electrical > Combination Meter > Data List

      Tester Display

      Driver Side Seatbelt Buckle Switch

    OK

    The GTS display changes correctly in response to the driver seat belt condition.

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG

  2. INSPECT FRONT SEAT INNER BELT ASSEMBLY (DRIVER SEAT)

    1. Remove the front seat inner belt assembly (driver seat).

      Click hereClick here

    2. Inspect the front seat inner belt assembly (driver seat).

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE FRONT SEAT INNER BELT ASSEMBLY (DRIVER SEAT)

    Click hereClick here

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT SEAT INNER BELT ASSEMBLY (DRIVER SEAT) - BODY GROUND)

    1. Disconnect the E12 combination meter assembly connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Table 1. for LHD

      Tester Connection

      Condition

      Specified Condition

      E12-14 (BKL) - K24-1 (+)

      Always

      Below 1 Ω

      E12-14 (BKL) or K24-1 (+) - Body ground

      Always

      10 kΩ or higher

      K24-2 (E) - Body ground

      Always

      Below 1 Ω
      Table 2. for RHD

      Tester Connection

      Condition

      Specified Condition

      E12-14 (BKL) - K30-1 (+)

      Always

      Below 1 Ω

      E12-14 (BKL) or K30-1 (+) - Body ground

      Always

      10 kΩ or higher

      K30-2 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR