FixVault

Power Window Control System

WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - POWER WINDOW CONTROL SYSTEM

Symptom Suspect Area
Power window does not operate.
  1. Power window switch circuit
  2. Power window motor circuit
  3. Rear left door ECU
Auto up (or down) function does not operate.
  1. Power window switch circuit
  2. Rear left door ECU
Jam protection function and auto up (or down) function does not operate.
  1. Jam protection limit switch circuit
  2. Jam protection pulse switch circuit
  3. Rear left door ECU