FRONT POWER SEAT CONTROL SYSTEM One-touch Walk-in Function does not Operate

DESCRIPTION


WIRING DIAGRAM


  1. for Driver Seat

    B0072MCE03

  2. for Front Passenger Seat

    B0075CYE13

CAUTION / NOTICE / HINT

Note


  • The front power seat control system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

    Click here

  • Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. CHECK FRONT POWER SEAT OPERATION


    1. Check that each function of the power seat operates normally by using the position control ECU and switch assembly (driver seat) or position control ECU and switch assembly (front passenger seat).

      Click here

      Result
      Result Proceed to
      Driver power seat functions do not operate A
      Front passenger power seat functions do not operate B

    B

    READ VALUE USING GTS (P SEAT BUCKLE SWITCH) Click here

    A

  2. CHECK SEAT BELT TENSION REDUCER SYSTEM


    1. Check the seat belt tension reducer system.

      Click here

      OK
      Seat belt tension reducer system is normal.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO SEAT BELT TENSION REDUCER SYSTEM Click here

    OK

  3. CHECK FOR DTC


    1. Perform "DTC Output Confirmation Operation" procedure.

    2. Check for DTCs.


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      OK (DTC is not output) A
      NG (DTC P070513 is output) (for 2GR-FKS) B
      NG (DTC P070513 is output) (for 8AR-FTS) C

    B

    GO TO SFI SYSTEM w/ Canister Pump Module: Click here
    GO TO SFI SYSTEM w/o Canister Pump Module: Click here

    C

    GO TO SFI SYSTEM w/ Canister Pump Module: Click here
    GO TO SFI SYSTEM w/o Canister Pump Module: Click here

    A

  4. READ VALUE USING GTS (SHIFT SW POSITION)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Driver Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Driver Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Shift SW Position Park state signal Shift P or Shift Other

      Shift P: Shift lever in P

      Shift Other: Shift lever in a position other than P

      		 -

      Body Electrical > Driver Seat > Data List
      Tester Display
      Shift SW Position
      OK
      The GTS display changes correctly in response to the shift lever position.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) Click here

    OK

  5. READ VALUE USING GTS (OPERATION LEVER STATE AND SLIDE FRONT OPERATION PERMITTED)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Driver Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Driver Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Operation Lever State Reclining remote control lever sub-assembly state Lock or Unlock

      Lock: Reclining remote control lever sub-assembly locked

      Unlock: Reclining remote control lever sub-assembly unlocked

      		 -
      Slide Front Operation Permitted Forward operation permission state NO or YES

      NO: Not permitted

      YES: Permitted

      		 -

      Body Electrical > Driver Seat > Data List
      Tester Display
      Operation Lever State
      Slide Front Operation Permitted
      Result
      Result Proceed to
      The value of each Data List item change accordingly. A
      The value of the Data List item "Operation Lever State"not change according to the operation of the reclining remote control lever sub-assembly. B
      The value of the Data List item "Slide Front Operation Permitted" does not change according to the forward operation permission state. C
      The value of each Data List item does not change. D

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    INSPECT OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT)) Click here

    D

    CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT)) Click here

    B

  6. INSPECT INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT))


    1. Remove the inner limit switch assembly (front seatback edge protector (driver seat)).

      Click here

    2. Inspect the inner limit switch assembly (front seatback edge protector (driver seat)).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT)) Click here

    OK

  7. CHECK CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) - INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR DRIVER SEAT (DRIVER))


    1. Disconnect the b5*1 or a5*2 position control ECU and switch assembly (driver seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the d4*1 or c3*2 inner limit switch assembly (front seatback edge protector (driver seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      b5-6 (SWS2) - d4-1 Always Below 1 Ω
      b5-6 (SWS2) or d4-1 - Body ground Always 10 kΩ or higher
      b5-1 (SGND) - d4-2 Always Below 1 Ω
      b5-1 (SGND) or d4-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      a5-6 (SWS2) - c3-1 Always Below 1 Ω
      a5-6 (SWS2) or c3-1 - Body ground Always 10 kΩ or higher
      a5-1 (SGND) - c3-2 Always Below 1 Ω
      a5-1 (SGND) or c3-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. INSPECT OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT))


    1. Remove the outer limit switch assembly (front seatback edge protector (driver seat)).

      Click here

    2. Inspect the outer limit switch assembly (front seatback edge protector (driver seat)).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT)) Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT))


    1. Disconnect the b5*1 or a5*2 position control ECU and switch assembly (driver seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the b10*1 or a9*2 outer limit switch assembly (front seatback edge protector (driver seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      b5-2 (SWS1) - b10-1 Always Below 1 Ω
      b5-2 (SWS1) or b10-1 - Body ground Always 10 kΩ or higher
      b5-1 (SGND) - b10-2 Always Below 1 Ω
      b5-1 (SGND) or b10-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      a5-2 (SWS1) - a9-1 Always Below 1 Ω
      a5-2 (SWS1) or a9-1 - Body ground Always 10 kΩ or higher
      a5-1 (SGND) - a9-2 Always Below 1 Ω
      a5-1 (SGND) or a9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (DRIVER SEAT))


    1. Disconnect the b5*1 or a5*2 position control ECU and switch assembly (driver seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the b10*1 or a9*2 outer limit switch assembly (front seatback edge protector (driver seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      b5-1 (SGND) - b10-2 Always Below 1 Ω
      b5-1 (SGND) or b10-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      a5-1 (SGND) - a9-2 Always Below 1 Ω
      a5-1 (SGND) or a9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (DRIVER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. READ VALUE USING GTS (P SEAT BUCKLE SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Passenger Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Passenger Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      P Seat Buckle Switch Front passenger seat belt buckle switch ON or OFF

      ON: Front passenger seat belt fastened

      OFF: Front passenger seat belt unfastened

      		 -

      Body Electrical > Passenger Seat > Data List
      Tester Display
      P Seat Buckle Switch
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) Click here

    OK

  12. READ VALUE USING GTS (OCCUPANT SENSOR)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Passenger Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Passenger Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Occupant Sensor Occupant sensor condition ON or OFF

      ON: Occupant Sensor on

      OFF: Occupant Sensor off

      		 -

      Body Electrical > Passenger Seat > Data List
      Tester Display
      Occupant Sensor
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT OCCUPANT DETECTION SENSOR (FRONT SEAT CUSHION PAD WITH COVER (FRONT PASSENGER SEAT)) Click here

    OK

  13. CHECK FOR DTC


    1. Perform "DTC Output Confirmation Operation" procedure.

    2. Check for DTCs.


      Powertrain > Engine > Trouble Codes
      OK
      P070513 is not output.
      Result
      Result Proceed to
      OK (DTC is not output) A
      NG (DTC P070513 is output) (for 2GR-FKS) B
      NG (DTC P070513 is output) (for 8AR-FTS) C

    B

    GO TO SFI SYSTEM w/ Canister Pump Module: Click here
    GO TO SFI SYSTEM w/o Canister Pump Module: Click here

    C

    GO TO SFI SYSTEM w/ Canister Pump Module: Click here
    GO TO SFI SYSTEM w/o Canister Pump Module: Click here

    A

  14. READ VALUE USING GTS (SHIFT P POSITION STATE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Passenger Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Passenger Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Shift SW Position Park state signal Shift P or Shift Other

      Shift P: Shift lever in P

      Shift Other: Shift lever in a position other than P

      		 -

      Body Electrical > Passenger Seat > Data List
      Tester Display
      Shift SW Position
      OK
      The GTS display changes correctly in response to the shift lever position.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    OK

  15. READ VALUE USING GTS (OPERATION LEVER STATE AND SLIDE FRONT OPERATION PERMITTED)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Passenger Seat / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Passenger Seat > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Operation Lever State Reclining remote control lever sub-assembly state Lock or Unlock

      Lock: Reclining remote control lever sub-assembly locked

      Unlock: Reclining remote control lever sub-assembly unlocked

      		 -
      Slide Front Operation Permitted Forward operation permission state NO or YES

      NO: Not permitted

      YES: Permitted

      		 -

      Body Electrical > Passenger Seat > Data List
      Tester Display
      Operation Lever State
      Slide Front Operation Permitted
      Result
      Result Proceed to
      The value of each Data List item change accordingly. A
      The value of the Data List item "Operation Lever State" does not change according to the operation of the reclining remote control lever sub-assembly. B
      The value of the Data List item "Slide Front Operation Permitted" does not change according to the forward operation permission state. C
      The value of each Data List item does not change. D

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    INSPECT OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT)) Click here

    D

    CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT)) Click here

    B

  16. INSPECT INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT))


    1. Remove the inner limit switch assembly (front seatback edge protector (front passenger seat)).

      Click here

    2. Inspect the inner limit switch assembly (front seatback edge protector (front passenger seat)).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT)) Click here

    OK

  17. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - INNER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT))


    1. Disconnect the a5*1 or b5*2 position control ECU and switch assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the c3*1 or d4*2 inner limit switch assembly (front seatback edge protector (front passenger seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      a5-6 (ELS2) - c3-1 Always Below 1 Ω
      a5-6 (ELS2) or c3-1 - Body ground Always 10 kΩ or higher
      a5-1 (SGND) - c3-2 Always Below 1 Ω
      a5-1 (SGND) or c3-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      b5-6 (ELS2) - d4-1 Always Below 1 Ω
      b5-6 (ELS2) or d4-1 - Body ground Always 10 kΩ or higher
      b5-1 (SGND) - d4-2 Always Below 1 Ω
      b5-1 (SGND) or d4-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  18. INSPECT OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT))


    1. Remove the outer limit switch assembly (front seatback edge protector).

      Click here

    2. Inspect the outer limit switch assembly (front seatback edge protector).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR) Click here

    OK

  19. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT))


    1. Disconnect the a5*1 or b5*2 position control ECU and switch assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the a9*1 or b10*2 outer limit switch assembly (front seatback edge protector (front passenger seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      a5-2 (ELS1) - a9-1 Always Below 1 Ω
      a5-2 (ELS1) or a9-1 - Body ground Always 10 kΩ or higher
      a5-1 (SGND) - a9-2 Always Below 1 Ω
      a5-1 (SGND) or a9-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      b5-2 (ELS1) - b10-1 Always Below 1 Ω
      b5-2 (ELS1) or b10-1 - Body ground Always 10 kΩ or higher
      b5-1 (SGND) - b10-2 Always Below 1 Ω
      b5-1 (SGND) or b10-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  20. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - OUTER LIMIT SWITCH ASSEMBLY (FRONT SEATBACK EDGE PROTECTOR (FRONT PASSENGER SEAT))


    1. Disconnect the a5*1 or b5*2 position control ECU and switch assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the a9*1 or b10*2 outer limit switch assembly (front seatback edge protector (front passenger seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      a5-1 (SGND) - a9-2 Always Below 1 Ω
      a5-1 (SGND) or a9-2 - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      b5-1 (SGND) - b10-2 Always Below 1 Ω
      b5-1 (SGND) or b10-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  21. INSPECT OCCUPANT DETECTION SENSOR (FRONT SEAT CUSHION PAD WITH COVER (FRONT PASSENGER SEAT))


    1. Remove the occupant detection sensor (front seat cushion pad with cover (front passenger seat)).

      Click here

    2. Inspect the occupant detection sensor (front seat cushion pad with cover (front passenger seat)).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE OCCUPANT DETECTION SENSOR (FRONT SEAT CUSHION PAD WITH COVER (FRONT PASSENGER SEAT)) Click here

    OK

  22. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - OCCUPANT DETECTION SENSOR (FRONT SEAT CUSHION PAD WITH COVER (FRONT PASSENGER SEAT) - BODY GROUND)


    1. Disconnect the a5*1 or b5*2 position control ECU and switch assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the T2*1 or U11*2 occupant detection sensor (front seat cushion pad with cover (front passenger seat)) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      a5-9 (SSRC) - T2-5 (+) Always Below 1 Ω
      a5-9 (SSRC) or T2-5 (+) - Body ground Always 10 kΩ or higher
      T2-4 (E) - Body ground Always Below 1 Ω
      for RHD
      Tester Connection Condition Specified Condition
      b5-9 (SSRC) - U11-5 (+) Always Below 1 Ω
      b5-9 (SSRC) or U11-5 (+) - Body ground Always 10 kΩ or higher
      U11-4 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  23. INSPECT FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT)


    1. Remove the front seat inner belt assembly (front passenger seat).

      Click here

    2. Inspect the front seat inner belt assembly (front passenger seat) (seat belt warning switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) Click here

    OK

  24. CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) - FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) - BODY GROUND)


    1. Disconnect the a5*1 or b5*2 position control ECU and switch assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

    2. Disconnect the T2*1 or U11*2 front seat inner belt assembly (front passenger seat) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      a5-10 (PBCL) - T2-1 (RDC) Always Below 1 Ω
      a5-10 (PBCL) or T2-1 (RDC) - Body ground Always 10 kΩ or higher
      T2-2 (E) - Body ground Always Below 1 Ω
      for RHD
      Tester Connection Condition Specified Condition
      b5-10 (PBCL) - U11-1 (RDC) Always Below 1 Ω
      b5-10 (PBCL) or U11-1 (RDC) - Body ground Always 10 kΩ or higher
      U11-2 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY (FRONT PASSENGER SEAT) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR