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 H: The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Tool (Steps H1 & H2)
Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test H: The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Tool (Steps H2 Cont.-H4)
Courtesy of FORD MOTOR CO.
Fig 3: Pinpoint Test H: The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Tool (Steps H4 Cont. & H5)