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Home >> Toyota >> 2021 >> Corolla SE Apex >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Airbag System (Mid 2023-25) - Diagnostic Codes (6 Of 6) & Symptom Tests) >> Airbag System >> DTC B00B5-13: Driver Seat Track Position Restraints Sensor Circuit Open [11/2022 - ] >> Procedure

DTC B00B5-13: Driver Seat Track Position Restraints Sensor Circuit Open [11/2022 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota GR Corolla, 2025 Toyota Corolla, 2024 Toyota GR Corolla, 2024 Toyota Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VEHICLE CONDITION 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      for TMC Made Manual Seat A
      for TMC Made Power Seat B
      for TMMMS Made Manual Seat C
      for TMMMS Made Power Seat D

    Result: 

    B 

    See step  10

    Result: 

    C 

    See step  19

    Result: 

    D 

    See step  27

    Result: 

    A 

    See step  2

  2. CHECK CONNECTION OF CONNECTORS 

    Pre-procedure1

    1. Turn the ignition switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

      Procedure1

    3. Check that the connectors are properly connected to the airbag sensor assembly and seat position sensor (front seat adjuster assembly LH).

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  3

  3. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the airbag sensor assembly connector.
      GTY1113114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
    2. Disconnect the seat position sensor connector.

      Procedure1

    3. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. CHECK SEAT POSITION SENSOR CIRCUIT (CHECK FOR OPEN IN THE CIRCUIT) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      GTY1114956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Front Seat Adjuster Assembly LH))
      *b Front view of wire harness connector
      (to Airbag Sensor Assembly)
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      z20-1 (GND) - z20-2 (VS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  5

  5. CLEAR DTC 

    Pre-procedure1

    1. Using a service wire, connect terminals 1 (GND) and 2 (VS) of connector E.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1113810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Front Seat Adjuster Assembly LH))
    2. Connect the airbag sensor assembly connector.
    3. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
    4. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    5. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    6. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  6

  6. CHECK DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      B00B5-13 is output A
      B00B5-13 is not output B

      HINT: 

      Codes other than DTC B00B5-13 may be output at this time, but they are not related to this check.

      Post-procedure1

    3. Turn the ignition switch off.
    4. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
    5. Disconnect the service wire from connector E.

    Result: 

    A 

    REPLACE AIRBAG SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    B 

    REPLACE SEAT POSITION SENSOR (FRONT SEAT ADJUSTER ASSEMBLY LH) 

    Refer to REMOVAL [11/2022 - ]

  7. CHECK CONNECTION OF CONNECTORS 
    1. Check that the connectors are properly connected to the front seat inner belt assembly LH.

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  8

  8. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the front seat inner belt assembly LH connector.
      GTY1111469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness

      Procedure1

    2. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY LH - AIRBAG SENSOR ASSEMBLY) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1111473Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)
      *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O23-4 (LSP+) - O23-3 (LSP-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    OK 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. CHECK CONNECTION OF CONNECTORS 

    Pre-procedure1

    1. Turn the ignition switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

      Procedure1

    3. Check that the connectors are properly connected to the airbag sensor assembly and seat position sensor (front seat adjuster assembly LH).

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  11

  11. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the airbag sensor assembly connector.
      GTY1060124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
    2. Disconnect the seat position sensor connector.

      Procedure1

    3. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  12

  12. CHECK SEAT POSITION SENSOR CIRCUIT (CHECK FOR OPEN IN THE CIRCUIT) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1110253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Seat Position Sensor (Front Seat Adjuster Assembly LH))      		 *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      q10-1 (GND) - q10-2 (VS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  13

  13. CLEAR DTC 

    Pre-procedure1

    1. Using a service wire, connect terminals 1 (GND) and 2 (VS) of connector G.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1113340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Front Seat Adjuster Assembly LH))
    2. Connect the airbag sensor assembly connector.
    3. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
    4. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    5. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    6. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  14

  14. CHECK DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      B00B5-13 is output A
      B00B5-13 is not output B

      HINT: 

      Codes other than DTC B00B5-13 may be output at this time, but they are not related to this check.

      Post-procedure1

    3. Turn the ignition switch off.
    4. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
    5. Disconnect the service wire from connector G.

    Result: 

    A 

    REPLACE AIRBAG SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    B 

    REPLACE SEAT POSITION SENSOR (FRONT SEAT ADJUSTER ASSEMBLY LH) 

    Refer to REMOVAL [11/2022 - ]

  15. CHECK CONNECTION OF CONNECTORS 
    1. Check that the connectors are properly connected to the front seat inner belt assembly LH.

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  16

  16. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the front seat inner belt assembly LH connector.
      GTY1060318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness

      Procedure1

    2. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (SEAT POSITION SENSOR - FRONT SEAT INNER BELT ASSEMBLY LH) 

    Pre-procedure1

    1. Using a service wire, connect terminals 2 (LSP+) and 1 (LSP-) of connector F.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1113965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Seat Position Sensor (Front Seat Adjuster Assembly LH))      		 *b Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)

      Standard Resistance

      Tester Connection Condition Specified Condition
      q10-2 (VS) - q10-1 (GND) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector F.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  18

  18. CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY LH - AIRBAG SENSOR ASSEMBLY) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1119036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Front Seat Adjuster Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)      		 *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O23-4 (LSP+) - O23-3 (LSP-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    OK 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  19. CHECK CONNECTION OF CONNECTORS 

    Pre-procedure1

    1. Turn the ignition switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

      Procedure1

    3. Check that the connectors are properly connected to the airbag sensor assembly and seat position sensor (separate type front seat cushion spring assembly LH).

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  20

  20. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the airbag sensor assembly connector.
      GTY1113114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
    2. Disconnect the seat position sensor connector.

      Procedure1

    3. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  21

  21. CHECK SEAT POSITION SENSOR CIRCUIT (CHECK FOR OPEN IN THE CIRCUIT) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      GTY1114956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH))
      *b Front view of wire harness connector
      (to Airbag Sensor Assembly)
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      z20-1 (GND) - z20-2 (VS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  22

  22. CLEAR DTC 

    Pre-procedure1

    1. Using a service wire, connect terminals 1 (GND) and 2 (VS) of connector E.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1113810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH))
    2. Connect the airbag sensor assembly connector.
    3. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
    4. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    5. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    6. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  23

  23. CHECK DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      B00B5-13 is output A
      B00B5-13 is not output B

      HINT: 

      Codes other than DTC B00B5-13 may be output at this time, but they are not related to this check.

      Post-procedure1

    3. Turn the ignition switch off.
    4. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
    5. Disconnect the service wire from connector E.

    Result: 

    A 

    REPLACE AIRBAG SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    B 

    REPLACE SEAT POSITION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH) 

    Refer to REMOVAL [11/2022 - ]

  24. CHECK CONNECTION OF CONNECTORS 
    1. Check that the connectors are properly connected to the front seat inner belt assembly LH.

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  25

  25. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the front seat inner belt assembly LH connector.
      GTY1111469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness

      Procedure1

    2. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  26

  26. CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY LH - AIRBAG SENSOR ASSEMBLY) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1111473Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)
      *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O23-4 (LSP+) - O23-3 (LSP-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    OK 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  27. CHECK CONNECTION OF CONNECTORS 

    Pre-procedure1

    1. Turn the ignition switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

      Procedure1

    3. Check that the connectors are properly connected to the airbag sensor assembly and seat position sensor (separate type front seat cushion spring assembly LH).

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  28

  28. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the airbag sensor assembly connector.
      GTY1060124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
    2. Disconnect the seat position sensor connector.

      Procedure1

    3. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  29

  29. CHECK SEAT POSITION SENSOR CIRCUIT (CHECK FOR OPEN IN THE CIRCUIT) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1110253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH))      		 *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      q10-1 (GND) - q10-2 (VS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    NG 

    See step  32

    Result: 

    OK 

    See step  30

  30. CLEAR DTC 

    Pre-procedure1

    1. Using a service wire, connect terminals 1 (GND) and 2 (VS) of connector G.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      GTY1113340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness
      *5 Service Wire
      *a Front view of wire harness connector
      (to Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH))
    2. Connect the airbag sensor assembly connector.
    3. Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.
    4. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    5. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    6. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  31

  31. CHECK DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON, and wait for at least 60 seconds.

      Procedure1

    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      B00B5-13 is output A
      B00B5-13 is not output B

      HINT: 

      Codes other than DTC B00B5-13 may be output at this time, but they are not related to this check.

      Post-procedure1

    3. Turn the ignition switch off.
    4. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
    5. Disconnect the service wire from connector G.

    Result: 

    A 

    REPLACE AIRBAG SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    B 

    REPLACE SEAT POSITION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH) 

    Refer to REMOVAL [11/2022 - ]

  32. CHECK CONNECTION OF CONNECTORS 
    1. Check that the connectors are properly connected to the front seat inner belt assembly LH.

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  33

  33. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the front seat inner belt assembly LH connector.
      GTY1060318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH)
      *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly
      *4 Wire Harness

      Procedure1

    2. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH OR REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  34

  34. CHECK HARNESS AND CONNECTOR (SEAT POSITION SENSOR - FRONT SEAT INNER BELT ASSEMBLY LH) 

    Pre-procedure1

    1. Using a service wire, connect terminals 2 (LSP+) and 1 (LSP-) of connector F.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1113965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH))      		 *b Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)

      Standard Resistance

      Tester Connection Condition Specified Condition
      q10-2 (VS) - q10-1 (GND) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector F.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  35

  35. CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY LH - AIRBAG SENSOR ASSEMBLY) 

    Pre-procedure1

    1. Using a service wire, connect terminals 27 (LSP+) and 24 (GNDL) of connector B.
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1119036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Seat Position Sensor (Separate Type Front Seat Cushion Spring Assembly LH) *2 Front Seat Inner Belt Assembly LH
      *3 Airbag Sensor Assembly *4 Wire Harness
      *5 Service Wire - -
      *a Front view of wire harness connector
      (to Front Seat Inner Belt Assembly LH)      		 *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O23-4 (LSP+) - O23-3 (LSP-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. Disconnect the service wire from connector B.

    Result: 

    OK 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY LH 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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