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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1840 (MULTIFUNCTION Electronic Module - F-150 & Mark LT) >> Diagnostic Tests >> Vehicle Security Module (VSM) >> Principles of Operation

Principles of 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 VSM controls the power door lock system. The module monitors the door lock/unlock switch inputs from the interior door lock switches. When the module receives an unlock/lock command from any door lock control switch, the module activates the door lock actuators. For additional information, refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.

The module also controls the following remote lock/unlock features:

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