Circuit Description
WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
The door unlock detection switch is built in the door lock motor. This switch is ON when the door lock is in the unlock position and OFF when the lock is in the lock position. The ECU detects the door lock conditions is this circuit. It is used as one of the operating conditions for the theft deterrent system.