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Power Window Control System

WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 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
All the power windows does not operate.
  1. PWS circuit
  2. Power window master switch circuit
  3. Body ECU No. 1
Power window does not operate.
  1. Power window switch circuit
  2. Power window motor circuit
  3. Driver door ECU
Auto up (or down) function does not operate.
  1. Power window master switch circuit
  2. Driver 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. Driver door ECU
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