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 Side) does not receive a sensor signal despite forward or backward movement of the seat by power seat motor operation, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2650 Slide Sensor Malfunction The forward and backward lock detection position of the sensor is the same.

  • Front power seat switch (for Driver Side)

  • Front seat adjuster assembly (for Driver Side)

  • Harness or connector

WIRING DIAGRAM


  1. for LHD

    B002J9OE03

  2. for RHD

    B002J9OE02

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Driver Seat > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Driver Seat > Trouble Codes
      OK
      DTC B2650 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. PERFORM ACTIVE TEST USING GTS (SEAT SLIDE OPERATION)


    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.


      Body Electrical > Driver Seat > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Seat Slide Operation Seat slide operation OFF/Rear/Front -

      Body Electrical > Driver Seat > Active Test
      Tester Display
      Seat Slide Operation
      OK
      Motor operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT FRONT SEAT ADJUSTER ASSEMBLY (for Driver Side) (SLIDE MOTOR) Click here

    OK

  4. CHECK FRONT POWER SEAT SWITCH (for Driver Side) (SLIDE MOTOR CIRCUIT)


    1. B002JCDC02
      *A for LHD
      *B for RHD
      *a

      Component with harness connected

      (Front Power Seat Switch [for Driver Side])

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

      Standard Voltage
      for LHD
      Tester Connection Condition Specified Condition
      g12-1 (SGND) - g12-5 (SSRS) Slide function operating 4.8 to 5.1 V
      for RHD
      Tester Connection Condition Specified Condition
      f7-1 (SGND) - f7-5 (SSRS) Slide function operating 4.8 to 5.1 V
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH [for Driver Side] - FRONT SEAT ADJUSTER ASSEMBLY [for Driver Side] [SLIDE MOTOR]) Click here

    OK

  5. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Driver Seat > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  6. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Driver Seat > Trouble Codes
      OK
      DTC B2650 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE FRONT POWER SEAT SWITCH (for Driver Side) Click here

  7. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH [for Driver Side] - FRONT SEAT ADJUSTER ASSEMBLY [for Driver Side] [SLIDE MOTOR])


    • *1: for LHD

    • *2: for RHD


    1. Disconnect the g12*1 or f7*2 front power seat switch (for Driver Side) connector.

    2. Disconnect the g10*1 or f1*2 front seat adjuster assembly (for Driver Side) connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      g12-5 (SSRS) - g10-2 (O/P) Always Below 1 Ω
      g12-5 (SSRS) or g10-2 (O/P) - Body ground Always 10 kΩ or higher
      g12-1 (SGND) - g10-3 (GND) Always Below 1 Ω
      g12-1 (SGND) or g10-3 (GND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      f7-5 (SSRS) - f1-2 (O/P) Always Below 1 Ω
      f7-5 (SSRS) or f1-2 (O/P) - Body ground Always 10 kΩ or higher
      f7-1 (SGND) - f1-3 (GND) Always Below 1 Ω
      f7-1 (SGND) or f1-3 (GND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. REPLACE FRONT POWER SEAT SWITCH (for Driver Side) (for Driver Side)


    1. Replace the front seat switch (for Driver Side) with new or known good one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Driver Seat > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  10. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Driver Seat > Trouble Codes
      OK
      DTC B2650 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (FRONT POWER SEAT SWITCH [for Driver Side] WAS DEFECTIVE)

    NG

    REPLACE FRONT SEAT ADJUSTER ASSEMBLY (for Driver Side) Click here

  11. INSPECT FRONT SEAT ADJUSTER ASSEMBLY (for Driver Side) (SLIDE MOTOR)


    1. Remove the front seat adjuster assembly (for Driver Side).

      Click here

    2. Inspect the front seat adjuster assembly (for Driver Side).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT SEAT ADJUSTER ASSEMBLY (for Driver Side) Click here

    OK

  12. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH [for Driver Side] - FRONT SEAT ADJUSTER ASSEMBLY [for Driver Side] [SLIDE MOTOR])


    • *1: for LHD

    • *2: for RHD


    1. Disconnect the g11*1 or f6*2 front power seat switch (for Driver Side) connector.

    2. Disconnect the g10*1 or f1*2 front seat adjuster assembly (for Driver Side) connector.

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      g11-3 (SLD+) - g10-4 (FWD) Always Below 1 Ω
      g11-3 (SLD+) or g10-4 (FWD) - Body ground Always 10 kΩ or higher
      g11-4 (SLD-) - g10-1 (BACK) Always Below 1 Ω
      g11-4 (SLD-) or g10-1 (BACK) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      f6-3 (SLD+) - f1-4 (BACK) Always Below 1 Ω
      f6-3 (SLD+) or f1-4 (BACK) - Body ground Always 10 kΩ or higher
      f6-4 (SLD-) - f1-1 (BACK) Always Below 1 Ω
      f6-4 (SLD-) or f1-1 (BACK) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE FRONT POWER SEAT SWITCH (for Driver Side) (for Driver Side) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR