Recommended Procedure:

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2005 Ford RV Cutaway, 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To verify that the DTC is a hard fault, first clear continuous DTCs (be sure to record all DTCs and freeze frame information before clearing). Repeat the KOEO on-demand self-test. If the DTC is set again, a hard fault has occurred.

Connect the diagnostic tool. Turn off all accessories. If the vehicle is equipped with a power take-off (PTO) system or auxiliary idle control, it must be turned off to carry out the self-test.

Carry out the necessary vehicle preparation and a visual inspection. Refer to QUICK TEST OPERATION .
Refer to the diagnostic tool operating manual for instructions.
Key on, engine off.
Wait 4 seconds for the transmission control module (TCM), powertrain control module (PCM) and the fuel injector control module (FICM) to initialize.
Follow the operating instructions from the diagnostic menu.
Carry out a KOEO on-demand self-test.
Record the DTCs, freeze frame information, and refer to the appropriate pinpoint test to continue diagnosis.