V-MAC Co-Pilot Operator's Manual 7 SYSTEM OVERVIEW System Summary The vehicle management and control (V-MAC) IV System is an electronic engine control system consisting of the following major components: Engine Control Module (ECM) Gauge Driver Module GDM (MRU and LEU models only) Instrument Cluster Vehicle Electronic Control Unit (VECU) To enable vehicle management and control (V-MAC) IV to perform its engine management and control functions, the following sensors provide information to the system.
Air Brake Application Sensor Air Suspension Sensor Air- Humidity Sensor Ambient Air Temperature (AAT) Sensor Intake Manifold Pressure (IMP) Sensor Intake Manifold Air Temperature Sensor Camshaft Position (CMP) Sensor Engine Coolant Level (ECL) Sensor Engine Coolant Temperature (ECT) Sensor Crankshaft Position (CKP) Sensor EGR Temperature Aftercooler Sensor Crankcase Pressure (CCP) Sensor Engine Exhaust Gas Recirculation (EGR) Differential Pressure Sensor Front Drive Axle Temperature Sensor Fuel Pressure Sensor