FRONT POWER SEAT CONTROL SYSTEM (w/ Seat Position Memory System) > SYSTEM DESCRIPTION

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FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION
  1. The driver seat and front passenger seat are equipped with slide, reclining, lifter, front vertical and lumbar support adjustment functions.
  2. The memory system for the front seats is optional. With the memory function, the position control ECU & switch performs the following: 1) controls the slide, reclining, lifter and front vertical motors; 2) memorizes the seat position; and 3) operates the seat restoring operation.
  3. The memory call function uses the key ID code of the key to memorize and reproduce the appropriate driving position for each individual who possesses a master key or sub key.

FUNCTION OF MAIN COMPONENT
The following functions are available.

Components
Function
Power seat motor assembly (slide motor)
Receives signal from position control ECU, motor operates, and seat slides forward and rearward
Power seat motor assembly (reclining motor)
Receives signal from position control ECU, motor operates, and seat tilts and reclines
Power seat motor assembly (front vertical motor)
Receives signal from position control ECU, motor operates, and seat cushion front raises and lowers vertically
Power seat motor assembly (lifter motor)
Receives signal from position control ECU, motor operates, and seat cushion raises and lowers vertically
Lumbar support adjuster motor
Receives signal from lumbar front power seat switch, motor operates, and lumbar support can be adjusted
Front power seat switch (reclining, lifter, slide, front vertical)
Based on switches operated, seat adjuster signals are input into position control ECU and seat is adjusted accordingly
Lumbar front power seat switch
Based on switches operated, seat is adjusted accordingly
Seat memory switch (driver side) (SET switch, memory switch)
When SET switch and M1, M2 or M3 switch are pressed simultaneously, signal is input to multiplex network master switch and sent to position control ECU, which records seat position
When M1, M2 or M3 switch is pressed, signal is input to multiplex network master switch and sent to position control ECU, which changes seat position to recorded position
Seat memory switch (passenger side) (SET switch, memory switch)
When SET switch and M1, M2 or M3 switch are pressed simultaneously, signal is input to front multiplex network door ECU RH and sent to position control ECU, which records seat position
When M1, M2 or M3 switch is pressed, signal is input to multiplex network master switch and sent to position control ECU, which changes seat position to recorded position

SYSTEM OPERATION
The front power seat's adjustment and position memory are shown in the chart below.

Seat Adjustment Function
Driver
Passenger
Fore-and-Aft Slide
Power and memory
Power and memory
Reclining
Power and memory
Power and memory
Front Vertical Height
Power and memory
Power and memory
Lifter
Power and memory
Power and memory
Lumbar Support
Power
Power
Headrest Fore-and-Aft
Slide-linked
Manual
  1. For the driver side memory function, the memory switch operation is first transferred from the multiplex network master switch to the position control ECU via the multiplex communication line. For the passenger side memory function, memory switch operation is first transferred from the front multiplex network door ECU RH to the position control ECU via the multiplex communication line. Then, either the seat position is recorded in memory or a previously recorded seat position is recalled.