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Seat Belt Status Display Malfunction [11/2023 - ]: Procedure

  1. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      RR Door Courtesy Switch Status Rear door courtesy light switch RH Close or Open Close: Rear door RH closed
      Open: Rear door RH open      		 -
      RL Door Courtesy Switch Status Rear door courtesy light switch LH Close or Open Close: Rear door LH closed
      Open: Rear door LH open      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      RR Door Courtesy Switch Status
      RL Door Courtesy Switch Status

      OK

      The GTS display changes correctly in response to the rear door courtesy light switch condition.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIGHTING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING GTS (REAR NO. 1 SEAT BUCKLE SWITCH RH STATUS) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Distribution Box > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rear Seat RH Buckle Switch Status Rear No. 1 RH seat belt buckle switch Set, Unset or Unknown Set: Rear No. 1 RH seat belt fastened
      Unset: Rear No. 1 RH seat belt not fastened
      Unknown: Data is not determined      		 -

      Body Electrical > Power Distribution Box > Data List 

      Tester Display
      Rear Seat RH Buckle Switch Status

      OK

      The GTS display changes correctly in response to the rear seat belt buckle switch condition.

      Result

      Result Proceed to
      OK A
      NG (Unknown displayed) B
      NG (Rear No. 1 seat belt RH malfunction) C

    Result: 

    B 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    C 

    See step  20

    Result: 

    A 

    See step  3

  3. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      for 60/40 Split Seat Type A
      for Captain Seat Type B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  4

  4. READ VALUE USING GTS (REAR NO. 1 SEAT BUCKLE SWITCH CENTER STATUS) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Distribution Box > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rear Seat Center Buckle Switch Status Rear No. 1 center seat belt buckle switch Set, Unset or Unknown Set: Rear No. 1 center seat belt fastened
      Unset: Rear No. 1 center seat belt not fastened
      Unknown: Data is not determined      		 -

      Body Electrical > Power Distribution Box > Data List 

      Tester Display
      Rear Seat Center Buckle Switch Status

      OK

      The GTS display changes correctly in response to the rear seat belt buckle switch condition.

      Result

      Result Proceed to
      OK A
      NG (Unknown displayed) B
      NG (Rear No. 1 seat belt CTR malfunction) C

    Result: 

    A 

    See step  7

    Result: 

    B 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    C 

    See step  5

  5. INSPECT REAR SEAT INNER BELT ASSEMBLY (FOR CENTER) 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR SEAT INNER BELT ASSEMBLY (FOR CENTER). Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT ASSEMBLY (FOR CENTER) - POWER DISTRIBUTION BOX AND BODY GROUND) 
    1. Disconnect the f3 rear seat inner belt assembly (for Center) connector.
    2. Disconnect the 8G power distribution box assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      f3-2 - 8G-4 Always Below 1 Ω
      f3-5 - Body ground Always Below 1 Ω
      f3-2 or 8G-4 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  7. READ VALUE USING GTS (REAR NO. 1 SEAT BUCKLE SWITCH LH STATUS) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Distribution Box > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rear Seat LH Buckle Switch Status Rear No. 1 LH seat belt buckle switch Set, Unset or Unknown Set: Rear No. 1 LH seat belt fastened
      Unset: Rear No. 1 LH seat belt not fastened
      Unknown: Data is not determined      		 -

      Body Electrical > Power Distribution Box > Data List 

      Tester Display
      Rear Seat LH Buckle Switch Status

      OK

      The GTS display changes correctly in response to the rear seat belt buckle switch condition.

      Result

      Result Proceed to
      OK A
      NG (Unknown displayed) B
      NG (Rear No. 1 seat belt LH malfunction) C

    Result: 

    B 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    C 

    See step  18

    Result: 

    A 

    See step  8

  8. READ VALUE USING GTS (REAR NO. 2 SEAT BUCKLE SWITCH STATUS) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      3rd Right Seat Buckle / Occupant Detection Warning Switch Rear No. 2 seat belt RH buckle switch OFF or ON OFF: Rear No. 2 seat belt RH fastened
      ON: Rear No. 2 seat belt RH unfastened      		 -
      3rd Left Seat Buckle / Occupant Detection Warning Switch Rear No. 2 seat belt LH buckle switch OFF or ON OFF: Rear No. 2 seat belt LH fastened
      ON: Rear No. 2 seat belt LH unfastened      		 -
      3rd Center Seat Buckle / Occupant Detection Warning Switch Rear No. 2 seat belt center buckle switch OFF or ON OFF: Rear No. 2 seat belt center fastened
      ON: Rear No. 2 seat belt center unfastened      		 -

      Body Electrical > Combination Meter > Data List 

      Tester Display
      3rd Right Seat Buckle / Occupant Detection Warning Switch
      3rd Left Seat Buckle / Occupant Detection Warning Switch
      3rd Center Seat Buckle / Occupant Detection Warning Switch

      OK

      The GTS display changes correctly in response to the rear seat belt buckle switch condition.

      Result

      Result Proceed to
      OK A
      NG (Rear No. 2 RH seat belt malfunction) B
      NG (Rear No. 2 LH seat belt malfunction) C
      NG (Rear No. 2 center seat belt malfunction) D

    Result: 

    A 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    C 

    See step  12

    Result: 

    D 

    See step  14

    Result: 

    B 

    See step  9

  9. INSPECT REAR NO. 2 SEAT INNER BELT ASSEMBLY LH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SEAT INNER BELT ASSEMBLY LH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  10

  10. INSPECT REAR NO. 2 SEAT INNER BELT ASSEMBLY RH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SEAT INNER BELT ASSEMBLY RH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SEAT INNER BELT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the H21*1 combination meter assembly connector.
    2. Disconnect the H112*2 combination meter assembly connector.
      1. *1: except 12.3 Inch Display
      2. *2: for 12.3 Inch Display
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (except 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-1 (+) - H21-26 (RRBT) Always Below 1 Ω
      M69-1 (+) or H21-26 (RRBT) - Body ground Always 10 kΩ or higher
      M69-4 (E) - Body ground Always Below 1 Ω

      Standard Resistance (for 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-1 (+) - H112-35 (RRBT) Always Below 1 Ω
      M69-1 (+) or H112-35 (RRBT) - Body ground Always 10 kΩ or higher
      M69-4 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  12. INSPECT REAR NO. 2 SEAT INNER BELT ASSEMBLY LH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SEAT INNER BELT ASSEMBLY LH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SEAT INNER BELT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the H21*1 combination meter assembly connector.
    2. Disconnect the H112*2 combination meter assembly connector.
      1. *1: except 12.3 Inch Display
      2. *2: for 12.3 Inch Display
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (except 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-3 (+) - H21-24 (RLBT) Always Below 1 Ω
      M69-3 (+) or H21-24 (RLBT) - Body ground Always 10 kΩ or higher
      M69-6 (E) - Body ground Always Below 1 Ω

      Standard Resistance (for 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-3 (+) - H112-38 (RLBT) Always Below 1 Ω
      M69-3 (+) or H112-38 (RLBT) - Body ground Always 10 kΩ or higher
      M69-6 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  14. INSPECT REAR NO. 2 SEAT INNER BELT ASSEMBLY LH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SEAT INNER BELT ASSEMBLY LH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  15

  15. INSPECT REAR NO. 2 SEAT INNER BELT ASSEMBLY RH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SEAT INNER BELT ASSEMBLY RH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  16

  16. INSPECT SEAT INNER BELT SUB-ASSEMBLY 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SEAT INNER BELT SUB-ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SEAT INNER BELT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the H21*1 combination meter assembly connector.
    2. Disconnect the H112*2 combination meter assembly connector.
      1. *1: except 12.3 Inch Display
      2. *2: for 12.3 Inch Display
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (except 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-2 (+) - H21-25 (RCBT) Always Below 1 Ω
      M69-2 (+) or H21-25 (RCBT) - Body ground Always 10 kΩ or higher
      M69-5 (E) - Body ground Always Below 1 Ω

      Standard Resistance (for 12.3 Inch Display)

      Tester Connection Condition Specified Condition
      M69-2 (+) - H112-19 (RCBT) Always Below 1 Ω
      M69-2 (+) or H112-19 (RCBT) - Body ground Always 10 kΩ or higher
      M69-5 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  18. INSPECT REAR SEAT INNER BELT ASSEMBLY LH 

    for 60/40 Split Seat Type: Refer to INSPECTION [12/2019 - ]

    for Captain Seat Type: Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR SEAT INNER BELT ASSEMBLY LH 

    for Captain Seat Type: Refer to REMOVAL [12/2019 - ]

    for 60/40 Split Seat Type: Refer to REMOVAL [12/2019 - ]

    Result: 

    OK 

    See step  19

  19. CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT ASSEMBLY LH - POWER DISTRIBUTION BOX AND BODY GROUND) 
    1. Disconnect the f6 rear seat inner belt assembly LH connector.
    2. Disconnect the 8G power distribution box assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      f6-3 - 8G-19 Always Below 1 Ω
      f6-5 - Body ground Always Below 1 Ω
      f6-3 or 8G-19 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  20. INSPECT REAR SEAT INNER BELT ASSEMBLY RH (FOR RH SIDE) 

    for Captain Seat Type: Refer to INSPECTION [12/2019 - ]

    for 60/40 Split Seat Type: Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR SEAT INNER BELT ASSEMBLY RH (FOR RH SIDE) 

    for 60/40 Split Seat Type: Refer to REMOVAL [12/2019 - ]

    for Captain Seat Type: Refer to REMOVAL [12/2019 - ]

    Result: 

    OK 

    See step  21

  21. CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT ASSEMBLY RH (FOR RH SIDE) - POWER DISTRIBUTION BOX AND BODY GROUND) 
    1. Disconnect the f2 rear seat inner belt assembly RH (for RH Side) connector.
    2. Disconnect the 8G power distribution box assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (for 60/40 Split Seat Type (Rear No. 1 Seat))

      Tester Connection Condition Specified Condition
      f2-1 - 8G-8 Always Below 1 Ω
      f2-4 - Body ground Always Below 1 Ω
      f2-1 or 8G-8 - Body ground Always 10 kΩ or higher

      Standard Resistance (for Captain Seat Type (Rear No. 1 Seat))

      Tester Connection Condition Specified Condition
      f2-3 - 8G-8 Always Below 1 Ω
      f2-5 - Body ground Always Below 1 Ω
      f2-3 or 8G-8 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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