FRONT POWER SEAT CONTROL SYSTEM, Diagnostic DTC:B2658

DTC Code DTC Name
B2658 Short in Sensor with Motor Power Supply Circuit

DESCRIPTION

This DTC is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value.

DTC Code DTC Detection Condition Trouble Area
B2658 A problem with the voltage supplied to the position control sensor.

  • Front power seat switch

  • Front seat adjuster assembly

  • Lumbar support adjuster assembly

  • Front seat headrest adjuster sub-assembly

  • Harness or connector

WIRING DIAGRAM

A001CKRE03
A0019K8E03
A001EDEE03
A001BTDE01

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.


      1. Using the intelligent tester, determine the area that output the DTC.

        Result
        Result Proceed to
        B2658 output from driver seat ECU A
        B2658 output from passenger seat ECU B
        B2658 is not output. C

    B

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

    C

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE13

    1. for LHD:


      1. Disconnect the e46 switch connector.

      2. Disconnect the e99 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e94 motor connector.

    3. Disconnect the e63 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-23 (SSRS) - e99-2 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e99-6 (GND) Always Below 1 Ω
      e46-23 (SSRS) - e46-18 (SGND) Always 10 kΩ or higher
      e46-23 (SSRS) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-23 (SSRS) - e99-2 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e94-6 (GND) Always Below 1 Ω
      e79-23 (SSRS) - e94-18 (SGND) Always 10 kΩ or higher
      e79-23 (SSRS) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001CW3E02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e99-2 (O/P) - e99-6 (GND) Sliding switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e94-2 (O/P) - e94-6 (GND) Sliding switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE14

    1. for LHD:


      1. Disconnect the e46 switch connector.

      2. Disconnect the e100 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e95 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-19 (SSFV) - e100-2 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e100-6 (GND) Always Below 1 Ω
      e46-19 (SSFV) - e46-18 (SGND) Always 10 kΩ or higher
      e46-19 (SSFV) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-19 (SSFV) - e95-2 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e95-6 (GND) Always Below 1 Ω
      e79-19 (SSFV) - e79-18 (SGND) Always 10 kΩ or higher
      e79-19 (SSFV) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001A9DE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e100-2 (O/P) - e100-6 (GND) Front vertical switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e95-2 (O/P) - e95-6 (GND) Front vertical switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE15

    1. for LHD:


      1. Disconnect the e46 switch connector.

      2. Disconnect the e117 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e107 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-9 (SSRV) - e117-2 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e117-6 (GND) Always Below 1 Ω
      e46-9 (SSRV) - e46-18 (SGND) Always 10 kΩ or higher
      e46-9 (SSRV) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-9 (SSRV) - e107-2 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e107-6 (GND) Always Below 1 Ω
      e79-9 (SSRV) - e79-18 (SGND) Always 10 kΩ or higher
      e79-9 (SSRV) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001F1WE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e117-2 (O/P) - e117-6 (GND) Lifter switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e107-2 (O/P) - e107-6 (GND) Lifter switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE16

    1. for LHD:


      1. Disconnect the e46 switch connector.

      2. Disconnect the e101 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e96 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-20 (SSRC) - e101-2 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e101-6 (GND) Always Below 1 Ω
      e46-20 (SSRC) - e46-18 (SGND) Always 10 kΩ or higher
      e46-20 (SSRC) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-20 (SSRC) - e96-2 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e96-6 (GND) Always Below 1 Ω
      e79-20 (SSRC) - e79-18 (SGND) Always 10 kΩ or higher
      e79-20 (SSRC) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001A7NE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e101-2 (O/P) - e101-6 (GND) Cushion switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e96-2 (O/P) - e96-6 (GND) Cushion switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  10. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)


    1. for LHD:

      A001CVGE17

      1. Disconnect the e46 switch connector.

      2. Disconnect the e102 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e97 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-22 (SSRR) - e102-2 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e102-6 (GND) Always Below 1 Ω
      e46-22 (SSRR) - e46-18 (SGND) Always 10 kΩ or higher
      e46-22 (SSRR) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-22 (SSRR) - e97-2 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e97-6 (GND) Always Below 1 Ω
      e79-22 (SSRR) - e46-18 (SGND) Always 10 kΩ or higher
      e79-22 (SSRR) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A0019KDE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e102-2 (O/P) - e102-6 (GND) Reclining switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e97-2 (O/P) - e97-6 (GND) Reclining switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  12. CHECK FRONT SEAT ADJUSTER ASSEMBLY


    1. Temporarily replace the front seat adjuster assembly with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (FRONT SEAT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    NG

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


    1. for LHD:

      A001CVGE18

      1. Disconnect the e46 switch connector.

      2. Disconnect the e118 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e113 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-7 (SSLV) - e118-2 (SMR) Always Below 1 Ω
      e46-18 (SGND) - e118-3 (GND) Always Below 1 Ω
      e46-7 (SSLV) - e46-18 (SGND) Always 10 kΩ or higher
      e46-7 (SSLV) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-7 (SSLV) - e113-2 (SMR) Always Below 1 Ω
      e79-18 (SGND) - e113-3 (GND) Always Below 1 Ω
      e79-7 (SSLV) - e79-18 (SGND) Always 10 kΩ or higher
      e79-7 (SSLV) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001CM7E02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e118-2 (SMR) - e118-3 (GND) Lumbar switch (Up-Down) ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e113-2 (SMR) - e113-3 (GND) Lumbar switch (Up-Down) ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  15. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)


    1. for LHD:

      A001CVGE19

      1. Disconnect the e46 switch connector.

      2. Disconnect the e119 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e114 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-6 (SSLB) - e119-2 (SISR) Always Below 1 Ω
      e46-18 (SGND) - e119-3 (PELE) Always Below 1 Ω
      e46-6 (SSLB) - e46-18 (SGND) Always 10 kΩ or higher
      e46-6 (SSLB) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-6 (SSLB) - e114-2 (SISR) Always Below 1 Ω
      e79-18 (SGND) - e114-3 (PELE) Always Below 1 Ω
      e79-6 (SSLB) - e79-18 (SGND) Always 10 kΩ or higher
      e79-6 (SSLB) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001AA3E02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e119-2 (SISR) - e119-3 (PELE) Lumbar switch (Forward-Back) ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e114-2 (SISR) - e114-3 (PELE) Lumbar switch (Forward-Back) ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  17. CHECK LUMBAR SUPPORT ADJUSTER ASSEMBLY


    1. Temporarily replace the lumbar support adjuster assembly LH with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (LUMBAR SUPPORT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    NG

  18. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)


    1. for LHD:

      A001C3SE03

      1. Disconnect the e46 switch connector.

      2. Disconnect the e53 motor connector.

    2. for RHD:


      1. Disconnect the e79 switch connector.

      2. Disconnect the e84 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e46-21 (SSRH) - e53-4 (O/P) Always Below 1 Ω
      e46-18 (SGND) - e53-3 (GND) Always Below 1 Ω
      e46-21 (SSRH) - e46-18 (SGND) Always 10 kΩ or higher
      e46-21 (SSRH) - Body ground Always 10 kΩ or higher
      e46-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e79-21 (SSRH) - e84-4 (O/P) Always Below 1 Ω
      e79-18 (SGND) - e84-3 (GND) Always Below 1 Ω
      e79-21 (SSRH) - e79-18 (SGND) Always 10 kΩ or higher
      e79-21 (SSRH) - Body ground Always 10 kΩ or higher
      e79-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. CHECK FRONT POWER SEAT SWITCH LH (POSITION CONTROL SENSOR)


    1. A001EVWE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e53-4 (O/P) - e53-3 (GND) Headrest switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e84-4 (O/P) - e84-3 (GND) Headrest switch ON 0 to 8 V

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

    OK

  20. CHECK FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY


    1. Temporarily replace the front seat headrest sub-assembly with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE FRONT POWER SEAT SWITCH Click here

  21. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE20

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e94 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e99 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-23 (SSRS) - e94-2 (O/P) Always Below 1 Ω
      e20-18 (SGND) - e94-6 (GND) Always Below 1 Ω
      e20-23 (SSRS) - e20-18 (SGND) Always 10 kΩ or higher
      e20-23 (SSRS) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e72-23 (SSRS) - e99-2 (O/P) Always Below 1 Ω
      e72-18 (SGND) - e99-6 (GND) Always Below 1 Ω
      e72-23 (SSRS) - e72-18 (SGND) Always 10 kΩ or higher
      e72-23 (SSRS) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  22. CHECK FRONT POWER SEAT SWITCH RH (POSITION CONTROL SENSOR)


    1. A001FBPE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e94-2 (O/P) - e94-6 (GND) Sliding switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e99-2 (O/P) - e99-6 (GND) Sliding switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  23. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE21

    • *1: w/ Ottoman

    • *2: w/o Ottoman


    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e95*1 or e123*2 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e100*1 or e111*2 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-19 (SSFV) - e95-2 (O/P)*1 Always Below 1 Ω
      e20-19 (SSFV) - e123-2 (O/P)*2 Always Below 1 Ω
      e20-18 (SGND) - e95-6 (GND)*1 Always Below 1 Ω
      e20-18 (SGND) - e123-6 (GND)*2 Always Below 1 Ω
      e20-19 (SSFV) - e20-18 (SGND) Always 10 kΩ or higher
      e20-19 (SSFV) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for LHD
      Tester Connection Condition Specified Condition
      e72-19 (SSFV) - e100-2 (O/P)*1 Always Below 1 Ω
      e72-19 (SSFV) - e111-2 (O/P)*2 Always Below 1 Ω
      e72-18 (SGND) - e100-6 (GND)*1 Always Below 1 Ω
      e72-18 (SGND) - e111-6 (GND)*2 Always Below 1 Ω
      e72-19 (SSFV) - e72-18 (SGND) Always 10 kΩ or higher
      e72-19 (SSFV) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  24. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    • *1: w/ Ottoman

    • *2: w/o Ottoman


    1. A001DQZE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e95-2 (O/P) - e95-6 (GND)*1 Front vertical switch ON 0 to 8 V
      e123-2 (O/P) - e123-6 (GND)*2 Front vertical switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e100-2 (O/P) - e100-6 (GND)*1 Front vertical switch ON 0 to 8 V
      e111-2 (O/P) - e111-6 (GND)*2 Front vertical switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  25. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE22

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e107 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e117 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-9 (SSRL) - e107-2 (O/P) Always Below 1 Ω
      e20-18 (SGND) - e107-6 (GND) Always Below 1 Ω
      e20-9 (SSRL) - e20-18 (SGND) Always 10 kΩ or higher
      e20-9 (SSRL) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e72-9 (SSRL) - e117-2 (O/P) Always Below 1 Ω
      e72-18 (SGND) - e117-6 (GND) Always Below 1 Ω
      e72-9 (SSRL) - e72-18 (SGND) Always 10 kΩ or higher
      e72-9 (SSRL) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  26. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001D5HE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e107-2 (O/P) - e107-6 (GND) Lifter switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e117-2 (O/P) - e117-6 (GND) Lifter switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  27. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE23

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e97 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e102 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-22 (SSRR) - e97-2 (O/P) Always Below 1 Ω
      e20-18 (SGND) - e97-6 (GND) Always Below 1 Ω
      e20-22 (SSRR) - e20-18 (SGND) Always 10 kΩ or higher
      e20-22 (SSRR) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e72-22 (SSRR) - e102-2 (O/P) Always Below 1 Ω
      e72-18 (SGND) - e102-6 (GND) Always Below 1 Ω
      e72-22 (SSRR) - e72-18 (SGND) Always 10 kΩ or higher
      e72-22 (SSRR) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  28. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001DFIE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e97-2 (O/P) - e97-6 (GND) Reclining switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e102-2 (O/P) - e102-6 (GND) Reclining switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  29. CHECK FRONT SEAT ADJUSTER ASSEMBLY


    1. Temporarily replace the front seat adjuster assembly RH with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (FRONT SEAT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    NG

  30. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001CVGE24

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e109 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e120*1 or e121*2 motor connector.


        • *1: w/ Active Headrest

        • *2: w/o Active Headrest

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-6 (SSLB) - e109-2 (SISR) Always Below 1 Ω
      e20-18 (SGND) - e109-3 (PELG) Always Below 1 Ω
      e20-6 (SSLB) - e20-18 (SGND) Always 10 kΩ or higher
      e20-6 (SSLB) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for LHD
      Tester Connection Condition Specified Condition
      e72-6 (SSLB) - e120-2 (SISR)*1 Always Below 1 Ω
      e72-6 (SSLB) - e121-2 (SISR)*2 Always Below 1 Ω
      e72-18 (SGND) - e120-3 (PELG)*1 Always Below 1 Ω
      e72-18 (SGND) - e121-3 (PELG)*2 Always Below 1 Ω
      e72-6 (SSLB) - e72-18 (SGND) Always 10 kΩ or higher
      e72-6 (SSLB) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

      • *1: w/ Active Headrest

      • *2: w/o Active Headrest


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  31. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001AHEE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e109-2 (SISR) - e109-3 (PELG) Lumbar switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e120-2 (SISR) - e120-3 (PELG)*1 Lumbar switch ON 0 to 8 V
      e120-2 (SISR) - e120-3 (PELG)*2 Lumbar switch ON 0 to 8 V

      • *1: w/ Active Headrest

      • *2: w/o Active Headrest


    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  32. CHECK LUMBAR SUPPORT ADJUSTER ASSEMBLY


    1. Temporarily replace the lumbar support adjuster assembly with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    A

    END (LUMBAR SUPPORT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    B

  33. CHECK VEHICLE TYPE


    1. Check the type of headrest.

      Result
      Result Proceed to
      w/ Normal Headrest A
      w/ Folding Headrest B

    B

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

    A

  34. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH RH - POWER SEAT MOTOR)

    A001ESYE02

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e56 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e80 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-21 (SSRH) - e56-1 (O/P) Always Below 1 Ω
      e20-18 (SGND) - e56-2 (GND) Always Below 1 Ω
      e20-21 (SSRH) - e20-18 (SGND) Always 10 kΩ or higher
      e20-21 (SSRH) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e72-21 (SSRH) - e80-1 (O/P) Always Below 1 Ω
      e72-18 (SGND) - e80-2 (GND) Always Below 1 Ω
      e72-21 (SSRH) - e72-18 (SGND) Always 10 kΩ or higher
      e72-21 (SSRH) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  35. CHECK FRONT POWER SEAT SWITCH (POSITION CONTROL SENSOR)


    1. A001C25E02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e56-1 (O/P) - e56-2 (GND) Headrest switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e80-1 (O/P) - e80-2 (GND) Headrest switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  36. CHECK FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY


    1. Temporarily replace the front seat headrest adjuster sub-assembly with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (FRONT SEAT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

  37. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - POWER SEAT MOTOR)

    A001C3SE04

    1. for LHD:


      1. Disconnect the e20 switch connector.

      2. Disconnect the e25 motor connector.

    2. for RHD:


      1. Disconnect the e72 switch connector.

      2. Disconnect the e61 motor connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition
      e20-21 (SSRH) - e25-4 (O/P) Always Below 1 Ω
      e20-18 (SGND) - e25-3 (GND) Always Below 1 Ω
      e20-21 (SSRH) - e20-18 (SGND) Always 10 kΩ or higher
      e20-21 (SSRH) - Body ground Always 10 kΩ or higher
      e20-18 (SGND) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      e72-21 (SSRH) - e61-4 (O/P) Always Below 1 Ω
      e72-18 (SGND) - e61-3 (GND) Always Below 1 Ω
      e72-21 (SSRH) - e72-18 (SGND) Always 10 kΩ or higher
      e72-21 (SSRH) - Body ground Always 10 kΩ or higher
      e72-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  38. CHECK FRONT POWER SEAT SWITCH


    1. A001BWUE02

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

      Standard voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      e25-4 (O/P) - e25-3 (GND) Headrest switch ON 0 to 8 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      e61-4 (O/P) - e61-3 (GND) Headrest switch ON 0 to 8 V

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here

    OK

  39. REPLACE FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY


    1. Temporarily replace the front seat headrest adjuster sub-assembly with a new or normally functioning one Click here.

    2. Clear the DTC Click here.

    3. Recheck the DTC Click here.

      OK
      DTC B2658 is not output.

    OK

    END (FRONT SEAT ADJUSTER ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE FRONT SEAT POWER SWITCH Click here