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Problem Symptoms Table

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 - SLIDING ROOF SYSTEM

Symptom Suspect Area
Sliding roof control system does not operate.
  1. S/ROOF Fuse
  2. ECU-IG Fuse
  3. Sliding Roof Control Switch Circuit
  4. Sliding Roof Gear Assembly with ECU circuit
Sliding roof operates abnormally (stops half way, sliding roof during close (down) operation).
  1. Sliding Roof Control Switch Circuit
  2. Sliding Roof Pulse Plate Circuit
Jam protection system does not operate.
  1. Sliding Roof Gear Assembly with ECU circuit