System Description

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Main Component Function Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYSTEM OPERATION
The front power seat's adjustment and position memory are shown in the chart below.

Fig 2: System Operation Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.