Normal Operation
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
The smart junction box (SJB) arms the alarm when a lock signal is received from the remote keyless entry (RKE) transmitter, the RKE keypad, or the door lock control switch (with the door open).
The SJB disarms the alarm when an unlock signal is received from the RKE transmitter or the RKE keypad.