FixVault

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER OR TECHSTREAM (POWER SEAT MOTOR FUNCTION) 
    1. Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the power seat motor function.
      1. Intelligent tester

        D-SEAT 

        INTELLIGENT TESTER - D-SEAT REFERENCE

        Tester Display Test Part Control Range
        CUSHION Seat cushion length operation FRONT/REAR
      2. Techstream

        Driver Seat 

        TECHSTREAM - DRIVER SEAT REFERENCE

        Tester Display Test Part Control Range
        Cushion Length Seat cushion length operation FRONT/REAR

        OK: Motor operates normally 

    NG: Go to step   6 

    OK: GO TO NEXT STEP 

  2. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - FRONT POWER SEAT CUSHION POSITION SENSOR LH AND BODY GROUND) 
      Fig 1: Identifying e46 And e41 Connectors Terminals
      G04952483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the e46 switch connector.
    2. Disconnect the e41 sensor connector.
    3. Measure the resistance according to the values in the table below.

      Standard resistance 

      FRONT POWER SEAT SWITCH LH - FRONT POWER SEAT CUSHION POSITION SENSOR LH AND BODY GROUND

      Tester Connection Condition Specified Condition
      e46-8(PVCC) - e41-3 (VCC) Always Below 1 Ω
      e46-20(SSRC) - e41-1 (O/P) Always Below 1 Ω
      e46-18(SGND) - e41-2 (GND) Always Below 1 Ω
      e46-8 (PVCC) - Body ground 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

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  3. CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR) 
      Fig 2: Identifying e41 Connector Terminals
      G04952484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the e41 sensor connector.
    2. Measure the voltage according to the values in the table below.

      Standard voltage 

      FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)

      Tester Connection Switch Condition Specified Condition
      e41-3(VCC) - e41-2 (GND) Cushion switch signal ON 7.2 to 8.8 V

    NG: REPLACE FRONT POWER SEAT SWITCH LH (See  REMOVAL  ) 

    OK: GO TO NEXT STEP 

  4. CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR) 
      Fig 3: Identifying e41 Connector Terminal O/P
      G04952485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Reconnect the e41 sensor connector.
    2. Measure the voltage according to the value in the table below.

      Standard voltage 

      FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)

      Tester Connection Switch Condition Specified Condition
      e41-1 (O/P) - Body ground Cushion switch signal ON 0 to 8V

    NG: REPLACE FRONT SEAT ADJUSTER ASSEMBLY LH (See  REMOVAL  ) 

    OK: GO TO NEXT STEP 

  5. CHECK FOR DTC 
    1. Clear the DTC (see DTC CHECK / CLEAR  ).
    2. Recheck the DTC.

      OK: DTC B2655 is not output. 

    NG: REPLACE FRONT POWER SEAT SWITCH LH (See  REMOVAL  ) 

    OK: END (SYSTEM RETURNS TO NORMAL) 

  6. CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POWER SEAT MOTOR) 
      Fig 4: Identifying Power Seat Motor Connector Terminals
      G04952427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check operation of the seat frame (cushion motor).
      1. Check if the seat adjuster moves smoothly when the battery is connected to the cushion motor connector terminals.

        OK 

        FRONT SEAT ADJUSTER ASSEMBLY LH (POWER SEAT MOTOR)

        Measurement Condition Operational Direction
        Battery positive (+) → 1
        Battery negative (-) → 2
        Forward
        Battery positive (+) → 2
        Battery negative (-) → 1
        Backward

    NG: REPLACE FRONT SEAT ADJUSTER ASSEMBLY LH (See  REMOVAL  ) 

    OK: GO TO NEXT STEP 

  7. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - POWER SEAT MOTOR) 
      Fig 5: Identifying e45 And e46 Connectors Terminals
      G04952487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the e45 and e46 switch connectors.
    2. Disconnect the e40 motor connector.
    3. Measure the resistance according to the values in the table below.

      Standard resistance 

      FRONT POWER SEAT SWITCH LH - POWER SEAT MOTOR

      Tester Connection Condition Specified Condition
      e46-10(C+) - e40-1 Always Below 1 Ω
      e45-4 (C-) - e40-2 Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE FRONT POWER SEAT SWITCH LH (See  REMOVAL  )