900 S Sedan L4-2290cc 2.3L DOHC (1994)
Engine Control Module: Description and Operation
Electronic Control Module(S)
PURPOSE
The Motronic electronic fuel injection/ignition ECM controls:
^ Fuel Injection
^ Ignition
^ Idle speed
^ Turbocharger boost pressure
^ EVAP System
OPERATION
The ECM uses a microprocessor to convert input signals into the necessary output functions.
The ECM also incorporates on-board diagnostics (OBD) to monitor system operation.
The ECM incorporates "self-learning" (adaptive) functions which allow it to adjust output functions for various operating conditions.
SYSTEM DESCRIPTION
Additional information is available under "SYSTEM DESCRIPTION."
