volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Engine Control Module|Testing and Inspection > < Engine Control Module (ECM) Equipment
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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).

Engine Control Module|Testing and Inspection > < Engine Control Module (ECM) Equipment