GTI L4-2.0L Turbo (BPY) (2007)
Engine Control Module: Description and Operation
Function
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 Fuel Pump (FP) Relay J17
as well as On Board Diagnostic (OBD).