FRONT POWER SEAT CONTROL SYSTEM(w/ Memory), Diagnostic DTC:B2650

DTC Code DTC Name
B2650 Slide Sensor Malfunction

DESCRIPTION

When the front power seat switch (for driver) or front power seat switch (for front passenger) do not receive a sensor signal despite forward or backward movement of the seat by power seat motor operation, this DTC is stored.

DTC Code DTC Detection Condition Trouble Area
B2650 The forward and backward lock detection position of the sensor is the same.

  • for Driver


    • Front power seat switch (for driver)

    • Slide motor (front seat adjuster assembly (for driver))

    • Wire harness or connector


  • for Front Passenger


    • Front power seat switch (for front passenger)

    • Slide motor (front seat adjuster assembly (for front passenger))

    • Wire harness or connector

WIRING DIAGRAM


  1. for Driver

    A00040NE24

  2. for Front Passenger

    A0007CKE23
    *a Slide Motor
    *b Front Seat Adjuster Assembly (for Front Passenger)
    *c Front Power Seat Switch (for Front Passenger)

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC output from "Driver Seat" B
      DTC output from "Passenger Seat" C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    PERFORM ACTIVE TEST USING GTS (SLIDE MOTOR) Click here

    B

  2. PERFORM ACTIVE TEST USING GTS (SLIDE MOTOR)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Driver Seat / Active Test.

    5. Perform the Active Test according to the display on the GTS.

      Driver Seat
      Tester Display Test Part Control Range Diagnostic Note
      Seat Slide Operation Seat slide operation OFF/Front/Rear -
      OK
      Motor operates normally.

    NG

    INSPECT SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR DRIVER)) Click here

    OK

  3. CHECK FRONT POWER SEAT SWITCH (FOR DRIVER) (SLIDE MOTOR CIRCUIT)


    1. Disconnect the X1*1 or W1*2 slide motor connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Voltage
      for LHD
      Tester Connection Condition Specified Condition
      X1-2 - X1-3 Slide switch on 4.8 to 5.1 V
      for RHD
      Tester Connection Condition Specified Condition
      W1-2 - W1-3 Slide switch on 4.8 to 5.1 V

    NG

    CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR DRIVER) - SLIDE MOTOR) Click here

    OK

  4. CHECK SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR DRIVER))


    1. A0004AIE02
      Text in Illustration
      *A for LHD
      *B for RHD
      *a

      Component with harness connected

      (Slide Motor (Front Seat Adjuster Assembly (for Driver)))

      Reconnect the X1*1 or W1*2 slide motor connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Voltage
      for LHD
      Tester Connection Condition Specified Condition
      X1-2 - Body ground Slide switch on 4.5 to 4.8 V
      for RHD
      Tester Connection Condition Specified Condition
      W1-2 - Body ground Slide switch on 4.5 to 4.8 V

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR DRIVER) Click here

    NG

    REPLACE SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR DRIVER)) Click here

  5. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR DRIVER) - SLIDE MOTOR)


    1. Disconnect the X10*1 or W10*2 front power seat switch (for driver) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      X10-5 (SSRS) - X1-2 Always Below 1 Ω
      X10-1 (SGND) - X1-3 Always Below 1 Ω
      X10-5 (SSRS) - Body ground Always 10 kΩ or higher
      X10-1 (SGND) - Body ground Always 10 kΩ or higher
      for LHD
      Tester Connection Condition Specified Condition
      W10-5 (SSRS) - W1-2 Always Below 1 Ω
      W10-1 (SGND) - W1-3 Always Below 1 Ω
      W10-5 (SSRS) - Body ground Always 10 kΩ or higher
      W10-1 (SGND) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR DRIVER) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. INSPECT SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR DRIVER))


    1. A0007P8E14
      Text in Illustration
      *a

      Component without harness connected

      (Slide Motor (Front Seat Adjuster Assembly (for Driver)))

      Disconnect the X1*1 or W1*2 slide motor connector.


      • *1: for LHD

      • *2: for RHD

    2. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

      OK
      Condition Operational Direction

      Auxiliary battery positive (+) → Terminal 4

      Auxiliary battery negative (-) → Terminal 1

      		 Seat cushion moves forward

      Auxiliary battery positive (+) → Terminal 1

      Auxiliary battery negative (-) → Terminal 4

      		 Seat cushion moves backward

    NG

    REPLACE SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR DRIVER)) Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR DRIVER) - SLIDE MOTOR)


    1. Disconnect the X9*1 or W9*2 front power seat switch (for driver) connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      X9-3 (SLD+) - X1-4 Always Below 1 Ω
      X9-4 (SLD-) - X1-1 Always Below 1 Ω
      X9-3 (SLD+) - Body ground Always 10 kΩ or higher
      X9-4 (SLD-) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      W9-3 (SLD+) - W1-4 Always Below 1 Ω
      W9-4 (SLD-) - W1-1 Always Below 1 Ω
      W9-3 (SLD+) - Body ground Always 10 kΩ or higher
      W9-4 (SLD-) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR DRIVER) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. PERFORM ACTIVE TEST USING GTS (SLIDE MOTOR)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Passenger Seat / Active Test.

    5. Perform the Active Test according to the display on the GTS.

      Passenger Seat
      Tester Display Test Part Control Range Diagnostic Note
      Seat Slide Operation Seat slide operation OFF/Front/Rear -
      OK
      Motor operates normally.

    NG

    INSPECT SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR FRONT PASSENGER)) Click here

    OK

  9. CHECK FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) (SLIDE MOTOR CIRCUIT)


    1. Disconnect the W4 slide motor connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      W4-2 - W4-3 Slide switch on 4.8 to 5.1 V

    NG

    CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) - SLIDE MOTOR) Click here

    OK

  10. CHECK SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR FRONT PASSENGER))


    1. A0009J1E02
      Text in Illustration
      *a

      Component with harness connected

      (Slide Motor (Front Seat Adjuster Assembly RH))

      Reconnect the W4 slide motor connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      W4-2 - Body ground Slide switch on 4.5 to 4.8 V

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) Click here

    NG

    REPLACE SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR FRONT PASSENGER)) Click here

  11. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) - SLIDE MOTOR)


    1. Disconnect the W10 front power seat switch (for front passenger) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W10-5 (SSRS) - W4-2 Always Below 1 Ω
      W10-1 (SGND) - W4-3 Always Below 1 Ω
      W10-5 (SSRS) - Body ground Always 10 kΩ or higher
      W10-1 (SGND) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. INSPECT SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR FRONT PASSENGER))


    1. A0007P8E14
      Text in Illustration
      *a

      Component without harness connected

      (Slide Motor (Front Seat Adjuster Assembly (for Front Passenger)))

      Disconnect the W4 slide motor connector.

    2. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

      OK
      Condition Operational Direction

      Auxiliary battery positive (+) → Terminal 4

      Auxiliary battery negative (-) → Terminal 1

      		 Seat cushion moves forward

      Auxiliary battery positive (+) → Terminal 1

      Auxiliary battery negative (-) → Terminal 4

      		 Seat cushion moves backward

    NG

    REPLACE SLIDE MOTOR (FRONT SEAT ADJUSTER ASSEMBLY (FOR FRONT PASSENGER)) Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) - SLIDE MOTOR)


    1. Disconnect the W9 front power seat switch (for front passenger) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W9-3 (SLD+) - W4-4 Always Below 1 Ω
      W9-4 (SLD-) - W4-1 Always Below 1 Ω
      W9-3 (SLD+) - Body ground Always 10 kΩ or higher
      W9-4 (SLD-) - Body ground Always 10 kΩ or higher

    OK

    REPLACE FRONT POWER SEAT SWITCH (FOR FRONT PASSENGER) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR