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Engine Control Module|Testing and Inspection > < All Other Service Bulletins for Engine Control Module:|971015|Page 7390

A6 Quattro Sedan V8-4.2L (BVJ) (2007)

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Engine Control Module: Description and Operation

Engine Control Module

The Motronic 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 through fuel injectors or
Engine Component Power Supply Relay (J757) as well as On Board Diagnostic (OBD).

Engine Control Module|Testing and Inspection > < All Other Service Bulletins for Engine Control Module:|971015|Page 7390