Carry Out On-Board Diagnostics, Key ON Engine OFF (KOEO), Key ON Engine Running (KOER)
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
After a road test, with the vehicle warm and before disconnecting any connectors, carry out the Self Test using the scan tool. Refer to the INTRODUCTION - GASOLINE MODELS for diagnosis and testing of the powertrain control system.