Speed Signal Test
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
From the diagnostic function, select the SPEED SENSOR option by moving the enter button up or down to scroll the menu then press the enter button.
Follow the on-screen instructions to verify the speed sensor signal.
If the vehicle speed signal test fails, go to Pinpoint Test P .