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 L: The Driver Climate Controlled Seat Module Does Not Respond To The Diagnostic Tool (Steps L1-L3)
Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test L: The Driver Climate Controlled Seat Module Does Not Respond To The Diagnostic Tool (Steps L4-L7)