Worldwide Diagnostic System (WDS)
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
When following powertrain diagnostics for OBD II vehicles, the system may be checked by an off-board tester referred to as a diagnostic tool. This section contains information for carrying out diagnostics with a diagnostic tool. A diagnostic tool has certain generic capabilities that are standard across the automotive industry in the United States. All functions are selected from a menu. Refer to the instruction manual provided by the tool manufacturer.