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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 E: The Doors Do Not Lock/Unlock Using The Remote Keyless Entry (RKE) Keypad >> 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 RKE keypad. The RKE keypad uses circuits 78 (LB/YE), 121 (YE/BK) and 123 (RD) to send signals to the SJB by grounding the selected circuit through the RKE keypad on circuit 1205 (BK). The SJB locks or unlocks the doors and the liftgate (wagon) based on RKE keypad input.

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