SEAT BELT WARNING SYSTEM Front Passenger Side Seat Belt Warning Light Malfunction

DESCRIPTION

The combination meter assembly 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 combination meter assembly 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

A004QKME01
A004QKME08

CAUTION / NOTICE / HINT

Tech Tips

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (PASSENGER SIDE SEAT BELT BUCKLE SWITCH)


    1. Check the Data List for proper functioning of the front passenger side seat belt buckle switch Click here.

      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
      The display is as specified in the normal condition column.

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    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

    REPLACE FRONT SEAT INNER BELT ASSEMBLY Click here

    OK

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


    • *1: for LHD

    • *2: for RHD


    1. w/o Pre-crash Safety System


      1. Disconnect the H13*1 or G30*2 front seat inner belt assembly connector.

    2. w/ Pre-crash Safety System:


      1. Disconnect the H5*1 or G48*2 front seat inner belt assembly connector.

    3. Disconnect the D66 combination meter assembly connector.

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

      Standard Resistance
      for LHD (w/o Pre-crash Safety System)
      Tester Connection Condition Specified Condition
      H13-1 (+) - D66-11 (PKB1) Always Below 1 Ω
      H13-1 (+) or D66-11 (PKB1) - Body ground Always 10 kΩ or higher
      H13-2 (E) - Body ground Always Below 1 Ω
      for LHD (w/ Pre-crash Safety System)
      Tester Connection Condition Specified Condition
      H5-3 (+) - D66-11 (PKB1) Always Below 1 Ω
      H5-3 (+) or D66-11 (PKB1) - Body ground Always 10 kΩ or higher
      H13-4 (E) - Body ground Always Below 1 Ω
      for RHD (w/o Pre-crash Safety System)
      Tester Connection Condition Specified Condition
      G30-1 (+) - D66-11 (PKB1) Always Below 1 Ω
      G30-1 (+) or D66-11 (PKB1) - Body ground Always 10 kΩ or higher
      G30-2 (E) - Body ground Always Below 1 Ω
      for LHD (w/ Pre-crash Safety System)
      Tester Connection Condition Specified Condition
      G48-3 (+) - D66-11 (PKB1) Always Below 1 Ω
      G48-3 (+) or D66-11 (PKB1) - Body ground Always 10 kΩ or higher
      G48-4 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT SEPARATE TYPE FRONT SEAT CUSHION PAD


    1. for Manual Seat:

      Remove the front seat assembly Click here.

    2. for Power Seat:

      Remove the front seat assembly Click here.

    3. Remove the front seat assembly Click here.

      Result
      Result Proceed to
      OK A
      NG (for Manual Seat) B
      NG (for Power Seat) C

      If the result is not as specified, replace the separate type front seat cushion pad.


    A

    REPLACE COMBINATION METER ASSEMBLY Click here

    B

    REPLACE SEPARATE TYPE FRONT SEAT CUSHION PAD Click here

    C

    REPLACE SEPARATE TYPE FRONT SEAT CUSHION PAD Click here