SEAT BELT WARNING SYSTEM Rear Seat Belt Warning Light Malfunction

DESCRIPTION

When a rear door is opened and closed (the rear door courtesy light switch assembly turns on and off) with the ignition switch ON, or when a rear door is opened and closed (the rear door courtesy light switch assembly turns on and off) and then the ignition switch is turned to ON, the rear seat belt warning light in the combination meter assembly (multi-information display) turns on to inform the driver of the rear seat belt condition. If a rear seat belt is fastened or unfastened, the warning light changes to indicate the current rear seat belt condition.

WIRING DIAGRAM

A00OLD1E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      CAN communication system DTC is output B

    B

    Go to CAN COMMUNICATION SYSTEM Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (REAR DOOR COURTESY LIGHT SWITCH)


    1. Check the Data List for proper functioning of the rear door courtesy light switch assembly Click here.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door Courtesy SW Rear door LH courtesy light switch signal / ON or OFF

      ON: Rear door LH open

      OFF: Rear door LH closed

      		 -
      RR Door Courtesy SW Rear door RH courtesy light switch signal / ON or OFF

      ON: Rear door RH open

      OFF: Rear door RH closed

      		 -
      OK
      The display is as specified in the normal condition column.

    NG

    Go to DOOR COURTESY SWITCH CIRCUIT Click here

    OK

  3. READ VALUE USING INTELLIGENT TESTER (REAR SEAT BELT BUCKLE SWITCH)


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

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      2nd-Row Seatbelt Buckle (R) Rear seat belt buckle RH signal / ON or OFF

      ON: Rear seat belt RH fastened

      OFF: Rear seat belt RH unfastened

      		 -
      2nd-Row Seatbelt Buckle (L) Rear seat belt buckle LH signal / ON or OFF

      ON: Rear seat belt LH fastened

      OFF: Rear seat belt LH unfastened

      		 -
      2nd-Row Seatbelt Buckle (C) Rear seat center belt buckle signal / ON or OFF

      ON: Rear seat center belt fastened

      OFF: Rear seat center belt unfastened

      		 -
      OK
      The display is as specified in the normal condition column.

    NG

    INSPECT REAR SEAT INNER WITH CENTER BELT ASSEMBLY Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

  4. INSPECT REAR SEAT INNER WITH CENTER BELT ASSEMBLY


    1. A00OMO9E01
      Text in Illustration
      *1 Rear Seat Inner Belt LH
      *2 Rear Seat Center Belt

      Remove the rear seat inner with center belt assembly Click here.

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

      Standard Resistance
      Rear Seat Inner Belt LH
      Tester Connection Condition Specified Condition
      1 (LBR+) - 2 (LBR-) Rear seat inner belt LH fastened 1 MΩ or higher
      Rear seat inner belt LH unfastened Below 1 Ω
      Rear Seat Center Belt
      Tester Connection Condition Specified Condition
      1 (CBR+) - 2 (CBR-) Rear seat center belt fastened 1 MΩ or higher
      Rear seat center belt unfastened Below 1 Ω

    NG

    REPLACE REAR SEAT INNER WITH CENTER BELT ASSEMBLY LH Click here

    OK

  5. INSPECT REAR SEAT INNER BELT ASSEMBLY RH


    1. A00OI52E01

      Remove the rear seat inner belt assembly RH Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (RBR+) - 2 (RBR-) Rear seat inner belt RH fastened 1 MΩ or higher
      Rear seat inner belt RH unfastened Below 1 Ω

    NG

    REPLACE REAR SEAT INNER BELT ASSEMBLY RH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (REAR SEAT INNER WITH CENTER BELT LH - COMBINATION METER AND BODY GROUND)


    1. Disconnect the G12 and G13 rear seat inner with center belt assembly LH connectors.

    2. Disconnect the D66 combination meter assembly connector.

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

      Standard Resistance
      Rear Seat Inner Belt LH
      Tester Connection Condition Specified Condition
      G12-1 (LBR+) - D66-13 (MSD) Always Below 1 Ω
      G12-1 (LBR+) or D66-13 (MSD) - Body ground Always 1 MΩ or higher
      G12-2 (LBR-) - Body ground Always Below 1 Ω
      Rear Seat Center Belt
      Tester Connection Condition Specified Condition
      G13-1 (CBR+) - D66-14 (MSTI) Always Below 1 Ω
      G13-1 (CBR+) or D66-14 (MSTI) - Body ground Always 1 MΩ or higher
      G13-2 (CBR-) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT RH - COMBINATION METER AND BODY GROUND)


    1. Disconnect the G14 rear seat inner belt assembly RH connector.

    2. Disconnect the D66 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G14-1 (RBR+) - D66-15 (MSFM) Always Below 1 Ω
      G14-1 (RBR+) or D66-15 (MSFM) - Body ground Always 1 MΩ or higher
      G14-2 (RBR-) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here