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 (Front Passenger Side) when the front passenger seat is occupied with the ignition switch ON (IG). If the front passenger seat belt is not fastened, the driver side and front passenger side seat belt warning light in the combination meter assembly blinks. If the seat belt is fastened, the warning light goes off.

WIRING DIAGRAM

A01UYDGE02

CAUTION / NOTICE / HINT

Note

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

Tech Tips

Perform the previous inspection procedure shown in problem symptoms table (Driver Side Seat Belt Warning Light does not Operate) before performing the following inspection procedure Click here.

PROCEDURE


  1. READ VALUE USING GTS (FRONT PASSENGER SIDE SEAT BELT WARNING LIGHT)


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

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      P-Seatbelt Buckle SW Front passenger side seat belt buckle signal / OFF or ON

      OFF: Front passenger side seat belt unfastened

      ON: Front passenger side seat belt fastened

      		 -
      OK
      ON or OFF appears on the tester screen according to the front passenger side seat belt condition.

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - IG CIRCUIT)


    1. A01V0B3E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Disconnect the combination meter assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F1-39 (IG+) - Body ground Ignition switch ON (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT SEPARATE TYPE FRONT SEAT CUSHION COVER (OCCUPANT DETECTION SENSOR)


    1. Remove the occupant detection sensor Click here.

    2. Inspect the occupant detection sensor Click here.


    NG

    REPLACE SEPARATE TYPE FRONT SEAT CUSHION COVER (OCCUPANT DETECTION SENSOR) Click here

    OK

  4. INSPECT FRONT SEAT INNER BELT ASSEMBLY (FOR FRONT PASSENGER SIDE)


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

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


    NG

    REPLACE FRONT SEAT INNER BELT ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the K8*1 or K9*2 front seat inner belt assembly (Front Passenger Side) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the F1 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
      F1-7 (P/SB) - K8-3 (+) Always Below 1 Ω
      K8-2 (E) - Body ground Always Below 1 Ω
      F1-7 (P/SB) - Body ground Always 10 kΩ or higher
      Standard Resistance (for RHD)
      Tester Connection Condition Specified Condition
      F1-7 (P/SB) - K9-3 (+) Always Below 1 Ω
      K9-2 (E) - Body ground Always Below 1 Ω
      F1-7 (P/SB) - Body ground Always 10 kΩ or higher

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR