New Beetle L4-1.8L Turbo (AWV) (2005)
Engine Control Module: Description and Operation
Function
The Engine Control Module (ECM) controls fuel injection, the throttle valve control module, oxygen sensor control, ignition, knock control, EVAP
canister purge regulator valve, engine speed limitation via fuel injectors and fuel pump relay, On Board Diagnostic (OBD) as well as camshaft
adjustment (for vehicles with engine code AWP, AWV, BKF, BNU).