SEAT BELT WARNING 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 detects the state of the front seat inner belt RH*1 (or LH*2) when the front passenger seat is occupied with the ignition switch ON. If the front passenger seat belt is not fastened, the front passenger side seat belt warning light of the telltale light blinks. If the seat belt is fastened (driver side seat belt is fastened), the warning light goes off.

*1: for LHD

*2: for RHD

WIRING DIAGRAM

C279320E08

PROCEDURE

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

    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

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

    5. Read the Data List according to the display on the intelligent tester.

      Table 1. Combination Meter

      Item

      Test Part

      Control Range

      Diagnostic Note

      P-Seatbelt Buckle SW

      Front passenger side seat belt buckle signal / ON or OFF

      ON: Front passenger side seat belt fastened

      OFF: Front passenger side seat belt unfastened

      -

      OK

      ON or OFF appears on the intelligent tester screen according to the front passenger seat belt condition (fastened or unfastened).

    REPLACE COMBINATION METER ASSEMBLY

    (Click here)

  2. INSPECT FRONT SEAT INNER BELT ASSEMBLY

    1. Remove the front seat inner belt assembly (Click here).

    2. Inspect the front seat inner belt assembly (Click here).

    REPLACE FRONT SEAT INNER BELT ASSEMBLY

    (Click here)

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

    1. Disconnect the O4*1 or N7*2 front seat inner belt assembly connector.

      • *1: for LHD

      • *2: for RHD

    2. Disconnect the H62 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

      O4-2 (+) - H62-11 (PKBI)

      Always

      Below 1 Ω

      O4-2 (+) or H62-11 (PKBI) - Body ground

      Always

      1 MΩ or higher

      O4-1 (E) - Body ground

      Always

      Below 1 Ω

      for RHD

      Tester Connection

      Condition

      Specified Condition

      N7-2 (+) - H62-11 (PKBI)

      Always

      Below 1 Ω

      N7-2 (+) or H62-11 (PKBI) - Body ground

      Always

      1 MΩ or higher

      N7-1 (E) - Body ground

      Always

      Below 1 Ω

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT SEPARATE TYPE FRONT SEAT CUSHION PAD (OCCUPANT DETECTION SENSOR)

    1. Remove the separate type front seat cushion pad (Click here).

    2. Inspect the separate type front seat cushion pad (Click here).

    REPLACE COMBINATION METER ASSEMBLY

    (Click here)

    REPLACE SEPARATE TYPE FRONT SEAT CUSHION PAD (OCCUPANT DETECTION SENSOR)

    (Click here)