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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 736 (Handles, Locks, Latches And Entry Systems) >> Diagnostic Tests >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test G: The Doors Do Not Lock/Unlock Using The Keyless Entry Keypad >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle security module (VSM) energizes the lock or unlock relays based upon input from the keyless entry keypad. The keyless entry keypad uses circuits 78 (LB/YE), 122 (YE) and 123 (RD) to send signals to the VSM by grounding the selected circuit through the keyless entry keypad on circuit 57 (BK). The VSM locks or unlocks the doors based on keyless entry keypad input.

DTC B2695 - is an on-demand DTC that sets if the VSM detects a short to ground on the keyless entry keypad switch A input circuit 78 (LB/YE).

DTC B2696 - is an on-demand DTC that sets if the VSM detects a short to ground on the keyless entry keypad switch B input circuit 122 (YE).

DTC B2697 - is an on-demand DTC that sets if the VSM detects a short to ground on the keyless entry keypad switch C input circuit 123 (RD).

Possible Causes

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