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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 600 (Handles, Locks, Latches And Entry Systems) >> Description And Operation >> Handles, Locks, Latches and Entry Systems - With Intelligent Access (IA) >> Component Description >> Keyless Entry Keypad

Keyless Entry Keypad

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

The keyless entry keypad contains a series of diodes to utilize the 5 buttons and 3 input circuits for the RFA module to interpret which button is pressed.

When a button is pressed, a ground signal to the corresponding voltage reference circuit(s) is provided.

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