Engine Control Module: Description and Operation
Engine Control Module
--> [ Engine Control Module, Replacing ] Engine Control Module, Replacing
--> [ Speed Signal, Checking ]Speed Signal, Checking
--> [ CAN-Bus, Checking Terminal Resistance ] CAN-Bus, Checking Terminal Resistance
Observe Safety Precautions: --> [ Safety Precautions ] Safety Precautions
Observe Clean Working Conditions: --> [ Clean Working Conditions ] Clean Working Conditions
The Engine Control Module (ECM) regulates 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 (FP) relay, camshaft adjustment as well as On Board Diagnostic (OBD).