Toyota Avensis MK3 ADT270 T2 Engine Control Unit Ecu 2.0 2000 cc Diesel 1ADFTV 1AD-FTV 6 Speed Manual Estate ADT270R-AWFNYW

Engine Control Function The engine control function is primarily handled by the Engine Control Unit (ECU) or Engine Control Module (ECM). It’s the computer or electronic system responsible for managing and optimizing the performance of the engine in modern vehicles. The ECU/ECM controls various engine functions by adjusting inputs such as fuel injection, ignition timing, air-fuel ratio, and more.