SEAT BELT WARNING SYSTEM Rear Seat Belt Warning Light Malfunction

DESCRIPTION

The combination meter assembly detects the rear seat inner belt assembly condition when the ignition switch is ON. The combination meter assembly turns on the rear seat belt warning light when the tongue plate is not inserted in the buckle, and the combination meter assembly turns off the rear seat belt warning light when the tongue plate is inserted in the buckle.

WIRING DIAGRAM

A011A4NE01

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. CHECK REAR SEAT BELT WARNING LIGHT FUNCTION


    1. Check the condition of the rear seat belt warning lights Click here.

      Result
      Result Proceed to
      Warning lights operate correctly A
      Neither rear seat belt warning light come on B
      Only the rear seat belt LH warning light does not come on C
      Only the rear seat belt RH warning light does not come on D

    B

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    C

    READ VALUE USING INTELLIGENT TESTER Click here

    D

    READ VALUE USING INTELLIGENT TESTER Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  2. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

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

    5. According to the display on the tester, read the Data List.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      2nd-Row Seatbelt Buckle (L) Buckle switch (Rear LH side)/ ON or OFF

      ON: Rear LH seat belt is fastened

      OFF: Rear LH seat belt is unfastened

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

    NG

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

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TELLTALE LIGHT ASSEMBLY)

    A0118SFE01
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Combination Meter Assembly)
    *2

    Front view of wire harness connector

    (to Telltale Light Assembly)

    1. Disconnect the D1 combination meter assembly connector.

    2. Disconnect the D65 telltale light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D1-9 (RLBT) - D65-9 (RLON) Always Below 1 Ω
      D1-9 (RLBT) or D65-9 (RLON) - Body ground Always 10 kΩ or higher

    4. Reconnect the combination meter assembly connector.

    5. Reconnect the telltale light assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT TELLTALE LIGHT ASSEMBLY


    1. A01173BE01
      Text in Illustration
      *1

      Component without harness connected

      (Telltale Light Assembly)

      Remove the telltale light assembly.

    2. Apply battery voltage to the terminals and check that the front passenger seat belt warning light illuminates.

      OK
      Measurement Condition Specified Condition

      Positive battery - Terminal 6 (IG+)

      Negative battery - Terminal 9 (RLON)

      		 Rear LH seat belt warning light Illuminates

    3. Reinstall the telltale light assembly.


    NG

    REPLACE TELLTALE LIGHT ASSEMBLY Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

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

    A011BUME01
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Rear Seat Inner Belt Assembly RH)
    *2

    Front view of wire harness connector

    (to Combination Meter Assembly)

    1. Disconnect the G10 rear seat inner belt assembly RH connector.

    2. Disconnect the D1 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G10-4 (+) - D1-6 (RLSB) Always Below 1 Ω
      G10-4 (+) or D1-6 (RLSB) - Body ground Always 10 kΩ or higher
      G10-3 (E) - Body ground Always Below 1 Ω

    4. Reconnect the rear seat inner belt assembly RH connector.

    5. Reconnect the combination meter assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT REAR SEAT INNER BELT ASSEMBLY RH


    1. A0118B8E02
      Text in Illustration
      *1

      Component without harness connected

      (Rear Seat Inner Belt Assembly RH)
      *2 Connector A
      *3 Connector B

      Remove the rear seat inner belt assembly RH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A4 (+) - B2 Always Below 1 Ω
      A4 (+) or B2 - Body ground Always 10 kΩ or higher
      A3 (E) - B1 Always Below 1 Ω

    3. Reinstall the rear seat inner belt assembly RH.


    NG

    REPLACE REAR SEAT INNER BELT ASSEMBLY RH Click here

    OK

  7. INSPECT REAR SEAT INNER BELT ASSEMBLY LH


    1. A011BQ4E01
      Text in Illustration
      *1

      Component without harness connected

      (Rear Seat Inner Belt Assembly LH)

      Remove the rear seat inner belt assembly LH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Tongue plate fastened 10 kΩ or higher
      Tongue plate unfastened Below 1 Ω

    3. Reinstall the rear seat inner belt assembly LH.


    NG

    REPLACE REAR SEAT INNER BELT ASSEMBLY LH Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

  8. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

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

    5. According to the display on the tester, read the Data List.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      2nd-Row Seatbelt Buckle (R) Buckle switch (Rear LH side)/ ON or OFF

      ON: Rear LH seat belt is fastened

      OFF: Rear LH seat belt is unfastened

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

    NG

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

    OK

  9. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TELLTALE LIGHT ASSEMBLY)

    A0118SFE02
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Combination Meter Assembly)
    *2

    Front view of wire harness connector

    (to Telltale Light Assembly)

    1. Disconnect the D1 combination meter assembly connector.

    2. Disconnect the D65 telltale light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D1-7 (RRBT) - D65-8 (RRON) Always Below 1 Ω
      D1-7 (RRBT) or D65-8 (RRON) - Body ground Always 10 kΩ or higher

    4. Reconnect the combination meter assembly connector.

    5. Reconnect the telltale light assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. INSPECT TELLTALE LIGHT ASSEMBLY


    1. A0118NWE01
      Text in Illustration
      *1

      Component without harness connected

      (Telltale Light Assembly)

      Remove the telltale light assembly.

    2. Apply battery voltage to the terminals and check that the front passenger seat belt warning light illuminates.

      OK
      Measurement Condition Specified Condition

      Positive battery - Terminal 6 (IG+)

      Negative battery - Terminal 8 (RRON)

      		 Rear RH seat belt warning light Illuminates

    3. Reinstall the telltale light assembly.


    NG

    REPLACE TELLTALE LIGHT ASSEMBLY Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

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

    A011BUME02
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Rear Seat Inner Belt Assembly RH)
    *2

    Front view of wire harness connector

    (to Combination Meter Assembly)

    1. Disconnect the G10 rear seat inner belt assembly RH connector.

    2. Disconnect the D1 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G10-2 (+) - D1-5 (RRSB) Always Below 1 Ω
      G10-2 (+) or D1-5 (RRSB) - Body ground Always 10 kΩ or higher
      G10-1 (E) - Body ground Always Below 1 Ω

    4. Reconnect the rear seat inner belt assembly RH connector.

    5. Reconnect the combination meter assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. INSPECT REAR SEAT INNER BELT ASSEMBLY RH


    1. A0119QXE01
      Text in Illustration
      *1

      Component without harness connected

      (Rear Seat Inner Belt Assembly RH)

      Remove the rear seat inner belt assembly RH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Tongue plate fastened 10 kΩ or higher
      Tongue plate unfastened Below 1 Ω

    3. Reinstall the rear seat inner belt assembly RH.


    NG

    REPLACE REAR SEAT INNER BELT ASSEMBLY RH Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here