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Door Lock Control

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 - DOOR LOCK CONTROL

Symptom Suspect Area
Lock or unlock cannot be operated with door lock control S/W.
  1. Door lock control switch circuit (D or P)
  2. Driver Door ECU (or Passenger Door ECU)
  3. Body ECU No. 1
Door key linked function does not operate.
  1. Door key lock and unlock switch circuit (D or P)
  2. Driver Door ECU (or Passenger Door ECU)
  3. Body No. 1 ECU
Key confinement prevention function does not operate.
  1. Key unlock switch circuit
  2. Body ECU No. 2
  3. Body ECU No. 1
Does not lock and unlock each door only.
  1. Door lock motor circuit
  2. Any door ECU
Luggage compartment door opener function does not operate.
  1. Luggage component door opener switch circuit
  2. Luggage compartment door opener motor circuit
  3. Body ECU No. 1
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