Aerostar 2WD V6-245 4.0L (1990)
Engine Control Module: Description and Operation
Electronic Control Assembly (ECA)
The Electronic Control Assembly (ECA) receives ignition ground and Profile Ignition Pickup (PIP) signals from the EDIS module then generates a
Spark Angle Word (SAW) output signal based on fuel, air and other sensor information. An IDM signal is received from the EDIS module to determine
if a failure mode should be recorded. For diagnosis and testing of the ECA refer to "COMPUTERIZED ENGINE CONTROLS".
