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Door Lock Control

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - DOOR LOCK CONTROL

Symptom Suspect Area
Lock or unlock cannot be operated with door lock control S/W.
  1. Door lock control switch circuit
  2. Power window master switch
  3. Body ECU
Door key linked function does not operate.
  1. Door key lock and unlock switch circuit
  2. Power window master switch
  3. Body ECU
Key confinement prevention function does not operate.
  1. Key unlock switch circuit
  2. Power window master switch
  3. Body ECU