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Engine Control Module: Description and Operation

Motronic Engine Control Module (ECM) -J220-

Function
The Motronic Engine Control Module (ECM) -J220- regulates the injection, Throttle Valve Control Module -J338-, Oxygen Sensor control, ignition, knock regulation, Evaporative Emissions (EVAP) Canister Purge Solenoid valve 1, speed limitation via fuel injectors or Fuel Pump (FP) relay, camshaft timing adjustment as well as On Board Diagnostic (OBD).