Circuit DescriptionThe Engine Control Module (ECM) continuously monitors the engine speed at idle and adjusts fueling to maintain governed idle...

Circuit DescriptionThe Engine Control Module (ECM) continuously monitors the engine speed at idle and adjusts fueling to maintain governed idle...

Circuit DescriptionThe EGR valve device driver in the ECM provides power to the EGR valve motor. The EGR valve motor...

Circuit DescriptionThe aftertreatment intake NOx (nitrogen oxides) sensor is a smart device and communicates with the engine control module (ECM)...

Circuit DescriptionThe high-pressure relief valve is a mechanical device that opens when the fuel pressure in the fuel rail exceeds...

Circuit DescriptionThe crankcase breather heater is used to keep the crankcase breather filter housing from freezing. The ECM supplies battery...