FCOM supports both very old and the latest models. This article shows diagnostic session on 1993 Mondeo 2.5i using Ford EEC-IV system. The used diagnostic protocol is DCL/CART (Data communication link, Custom asynchronous receiver-transmitter). Unlike newer models diagnostics is available from “Special diagnostics” menu.
You need to locate the OBD connector on old Ford,run FCOM software,click “OBD-II Connector Location”
Choose a car from this tree to view OBD-II connector location
Here select “Ford”
Select “Mondeo 1993-1994”,then click “Show Image”
This picture shows location of OBD-II connector in the selected vehicle
Now,you need follow the above location picture to plug your FCOM interface into the OBD-II port,then back to main menu.
Click “Special Diagnostic”
Select “EEC-IV()DCL” Diagnostics,then click “Go” to continue
Here you will see:
ROM Calibration ID:0xFF74
Back to control unit diagnostics menu,and select “Read Fault Code Memory”
Click “Clear Fault Codes”
Fault codes were successfully cleared.Please re-read faults code to be sure,that faults was removed.Note:If cause of fault is still present in car,faults will show up again immediately.