System Description
- FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION
- The power seat is standard equipment for the front seats and optional equipment for the rear seats.
- On the LS430, a memory system for the driver seat is provided as standard equipment.
- FUNCTION OF MAIN COMPONENT
The following functions are available.
MAIN COMPONENT FUNCTIONComponents Function Seat slide motor Receives signal from driver seat ECU, motor operates, and driver side's seat slides forward and rearward. Seat reclining motor Receives signal from driver seat ECU, motor operates, and driver side's seat reclines forward and rearward. Seat cushion slide motor Receives signal from driver seat ECU, motor operates, and driver side's seat cushion slides. Seat front vertical motor Receives signal from driver seat ECU, motor operates, and driver side's seat front vertical raises and lowers. Seat rear vertical motor Receives signal from driver seat ECU, motor operates, and driver side's seat rear vertical raises and lowers. Seat lumbar support upper motor Receives signal from driver seat ECU, motor operates, and driver side's seat lumbar support upper can be adjusted. Seat lumbar support lower motor Receives signal from driver seat ECU, motor operates, and driver side's seat lumbar support lower can be adjusted. Seat headrest height motor Receives signal from driver seat ECU, motor operates, and driver side's seat headrest raises and lowers. Seat position sensor Is built in each seat adjuster and sends seat position data to driver seat ECU so that it can detect seat positions at all times. Seat control switch Based on switches operated, seat adjuster signals are input into driver seat ECU and seat is adjusted accordingly. Lumbar support adjustments are also done. Set switch Memory switch When set switch and memory switch are pressed simultaneously, SET, 1, 2 or 3 switch is input to driver door ECU and driver side's seat position is recorded. Then, when memory switch is pressed, SET, 1, 2 or 3 switch is input to driver door ECU and driver side's seat position changes according to memory. - SYSTEM OPERATION
The front power seat's adjustment and position memory are shown in the chart below.
SYSTEM OPERATIONSeat Adjustment Function Driver Front Passenger Fore-and-Aft Slide Power and memory Power Reclining Power and memory Power Cushion Slide Power and memory - Front Vertical Height Power and memory Power Rear Vertical Power and memory Power Dual Lumbar Support Power - Single Lumbar Support - Manual Headrest Fore-and-Aft Manual Manual Headrest Height Power and memory Power For the memory function, first, memory switch operation is transferred from the driver door ECU to the driver seat ECU via the multiplex communication line. Then, either the seat position is recorded in memory or a previously recorded seat position is recalled.