A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Engine Control Module: Description and Operation
Engine Control Module
=> [ ECM Voltage Supply, Checking ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component Tests and
General Diagnostics/Component Tests (VAG Code Tests)/ECM Voltage Supply, Checking
=> [ ECM, Removing and Installing ] See: Service and Repair/ECM, Removing and Installing
The 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 On Board Diagnostic (OBD).