SEAT BELT WARNING SYSTEM(w/o Occupant Classification System) Front Passenger Side Seat Belt Warning Light Malfunction

DTC Code DTC Name
Front Passenger Side Seat Belt Warning Light Malfunction

DESCRIPTION

The combination meter assembly detects the state of the front seat inner belt assembly RH*1 (or LH*2) when the front passenger seat is occupied with the ignition switch ON. If the front passenger side seat belt is not fastened, the front side seat belt warning light of the combination meter assembly blinks. If the seat belt is fastened, the warning light goes off.

*1: for LHD

*2: for RHD

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

C279320E01

PROCEDURE

  1. READ VALUE USING GTS (P-SEATBELT BUCKLE SW)

    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

      P-Seatbelt Buckle SW

      Front passenger side seat belt buckle switch signal

      ON/OFF

      ON: Front passenger side seat belt fastened

      OFF: Front passenger side seat belt unfastened

      Perform the inspection while sitting in the front passenger seat.

      Body Electrical > Combination Meter > Data List

      Tester Display

      P-Seatbelt Buckle SW

    Result

    Result

    Proceed to

    ON or OFF is displayed on the GTS screen according to the front passenger side seat belt condition

    A

    ON or OFF is not displayed normally on the GTS screen according to the front passenger side seat belt condition

    B
    A

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    B

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

    1. Disconnect the M31*1 or N35*2 front passenger seat inner belt assembly connector.

      • *1: for LHD

        *2: for RHD

    2. Disconnect the G16 combination meter assembly connector.

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

      Standard Resistance

      for LHD

      Tester Connection

      Condition

      Specified Condition

      M31-3 (+) - G16-7 (P/SB)

      Always

      Below 1 Ω

      M31-2 (E) - Body ground

      M31-3 (+) - Body ground

      10 kΩ or higher

      for RHD

      Tester Connection

      Condition

      Specified Condition

      N35-3 (+) - G16-7 (P/SB)

      Always

      Below 1 Ω

      N35-2 (E) - Body ground

      N35-3 (+) - Body ground

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE FRONT SEAT INNER BELT ASSEMBLY

    1. Temporarily replace the front seat inner belt assembly RH*1 or LH*2 with a new or normally functioning one.

      Click hereClick here

      • *1: for LHD

      • *2: for RHD

    Result

    Proceed to

    NEXT
    NEXT

  4. INSPECT SEPARATE TYPE FRONT SEAT CUSHION PAD

    1. Remove the separate type front seat cushion pad.

      Click here

    2. Inspect the separate type front seat cushion pad.

      Click here

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG

    REPLACE SEPARATE TYPE FRONT SEAT CUSHION PAD

    Click here