Principles of Operation
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Vehicles that are not equipped with air suspension have a stand-alone variable assist power steering (VAPS) module. For additional information, refer to STEERING SYSTEM-GENERAL INFORMATION .
The air suspension module is linked to the data link connector (DLC). The air suspension module controls the air suspension and the VAPS. For additional air suspension system information, refer to VEHICLE DYNAMIC SUSPENSION .
The air suspension module is used to monitor and control the VAPS system. The VAPS system controls the level of power assistance available to the driver based on vehicle speed and rate of change in steering position. For additional VAPS system information, refer to STEERING SYSTEM-GENERAL INFORMATION .