Engine Control Module: Description and Operation
Engine Control Module
=> [ ECM Voltage Supply, Checking ] ECM Voltage Supply, Checking
=> [ ECM, Removing and Installing ] 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).