Key On Engine Off (KOEO) Injector Electrical Self-Test
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Ford RV Cutaway, 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If no DTCs are present refer to
PERFORMANCE DIAGNOSTIC PROCEDURES
and carry out the Power Balance test 6b. If the KOEO injector electrical self-test aborts while trying to activate, refer to
INJECTOR INTERRUPT FOR ENHANCED DIAGNOSTICS
.
The KOEO injector electrical self-test is an on-demand functional test of the FICM carried out with the key ON and the engine OFF. This test determines if the injector circuits and coils are correctly operating. If a concern is detected by the FICM, a CAN message is sent to the PCM. Corresponding DTCs are displayed at the end of the self-test.
- 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 self-tests.
- 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.
- Carry out the KOEO Injector Electrical Self Test.
- Key in OFF position.
- Record the DTCs and carry out the appropriate pinpoint test.