Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to Diagnostic Methods for information about these practices.
Refer to Passive Anti-Theft System , Passive Anti-Theft System for schematic and connector information.
NOTE:
Some brands/types of mobile phone or laptop computer chargers may cause interference that could lead to a PATS no-start if the IA key is within a few inches of the charger. If a concern is observed, move the IA key away from the charger and attempt to start the vehicle.