WARNING: This page is about a different car, the 2003 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pinpoint Test B: The Vehicle Security Module Does Not Respond To The Diagnostic Tool (Steps B1 & B2)
Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test B: The Vehicle Security Module Does Not Respond To The Diagnostic Tool (Steps B3 & B4)