SEAT BELT WARNING SYSTEM 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

A002NPDE08

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.

      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).

    OK
    NG
  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.


    NG
    OK
  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

    NG
    OK
  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.


    OK
    NG