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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 551 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test D: A Single Door Lock Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

The smart junction box (SJB) energizes the lock or unlock relays based upon input from the door lock switches, the remote keyless entry (RKE) transmitter, or the RKE keypad. If the SJB energizes circuit 1088 (PK/WH) the door lock actuators unlock the doors and the liftgate (wagon). If the SJB energizes circuit 1763 (PK/BK) the door lock actuators lock the doors and the liftgate (wagon).