Section 279 (Front Power Seat Control System (W/Memory) - Diagnosis)

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

How To Proceed With Troubleshooting
Customer Problem Analysis Check
Pre-Check
Location
Terminals Of Ecu
Problem Symptoms Table
Manual Operation Is Impossible
Position Cannot Be Memorized
Restoring Operation Is Impossible