audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine Control Module|Testing and Inspection > < Engine Controls - Low Power/Won't Move After Stopping|Page 2198
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Engine Control Module: Description and Operation

Function

Engine Control Module (ECM) (J623) regulates fuel injection, Throttle Valve Control Module (J338), oxygen sensor regulation, ignition, knock
control, Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80), engine speed limitation, fuel injectors and On Board Diagnostic
(OBD).

Engine Control Module|Testing and Inspection > < Engine Controls - Low Power/Won't Move After Stopping|Page 2198