Wiring Diagrams
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
For power and heated seats wiring diagrams, see appropriate POWER SEATS under SYSTEM WIRING DIAGRAMS in ELECTRICAL. For memory seats, see appropriate MEMORY SYSTEMS under SYSTEM WIRING DIAGRAMS in ELECTRICAL.