Engine Control Module: Description and Operation

Engine Control Module

--> [ Engine Control Module, Replacing ] Engine Control Module with Anti-Theft Immobilizer

--> [ Speed Signal, Checking ] Speed Signal, Checking

--> [ CAN-Bus, Checking Terminal Resistance ] CAN-Bus, Checking Terminal Resistance

The Engine Control Module (ECM) controls fuel injection, the throttle valve control module, oxygen sensor control, ignition, knock control, EVAP canister purge regulator valves, engine speed limitation via fuel injectors and fuel pump relay, camshaft adjustment and On Board Diagnostic (OBD).