V-MAC Co-Pilot Operator's Manual 11 Engine Control Module (ECM) The ECM is an electronic control unit (ECU) located to the left side of the engine and is mounted to the fuel cooler, which is mounted beneath the inlet manifold. The ECM provides the following information and functions:
Intake Manifold Pressure (IMP) Engine Coolant Level (ECL) Engine Coolant Temperature (ECT) Customer Road Speed Limiting Diagnostic Trouble Code (DTC) Logging Engine Oil Pressure (EOP) Engine Oil Temperature (EOT) Engine Protection Engine Shutdown Engine Speed (RPM) Control (based on commands from Vehicle Electronic Control Unit (VECU) Exhaust Aftertreatment System Fan Control Fuel Control Fuel Temperature Timing Control Vehicle Limiting Speeds C0035356 Engine Control Module (ECM) Location