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Home >> Volkswagen >> 2003 >> New Beetle (1C1) L4-2.0L (BDC) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Function
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Function



Engine Control Module (ECM)

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, as well as the On Board Diagnostic (OBD).