Inspection Procedure

1. Select the Active Test, use the Techstream to generate a control command, and then check the power seat motor function.

   Driver Seat 

   DRIVER SEAT ACTIVE TEST REFERENCE CHART
   
   

   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 

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 

   RESISTANCE SPECIFIED CONDITION
   
   

   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

   Fig 1: Identifying e46 Power Seat Switch And e41 Sensor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Disconnect the e41 sensor connector.
2. Measure the voltage according to the values in the table below.

   Standard Voltage 

   VOLTAGE SPECIFIED CONDITIONS
   
   

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

   Fig 2: Identifying e41 Position Control Sensor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: Go to Next Step 

1. Reconnect the e41 sensor connector.
2. Measure the voltage according to the value in the table below.

   Standard Voltage 

   VOLTAGE SPECIFIED CONDITIONS
   
   

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

   Fig 3: Identifying e41 Position Control Sensor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: Go to Next Step 

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) 

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 

      CUSHION MOTOR OPERATION CHART
      
      

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

      Fig 4: Identifying Power Seat Motor Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: Go to Next Step 

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 

   RESISTANCE SPECIFIED CONDITION
   
   

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

   Fig 5: Identifying e45 And e46 Switch With e40 Motor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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