System Description

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
1. The power door lock system locks/unlocks all the doors simultaneously.
  The master switch and the door control switch (on the passenger side door) send lock/unlock request signals to the door lock control relay. Then, the door lock control relay sends these requests to the lock motors in each door to lock/unlock all the doors simultaneously.
  
  Operating the driver side and passenger side door locks using a key sends lock/unlock request signals to the door lock control relay. The driver side door key-linked lock function has an optional unlock method called the "2-step unlock function". Please refer to Fig 1 in step b) for details on this function.
2. The power door lock control system has the following functions:
  
  Fig 1: Power Door Lock Control System Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002