Circuit DescriptionThe aftertreatment diesel exhaust fluid quality sensor is a smart device that communicates to the ECM via the J1939...

Circuit DescriptionAn algorithm in the ECM calibration monitors engine speed as each injector fires. If a cylinder(s) has high or...

Circuit DescriptionThe engine control module (ECM) controls the engine intake air throttle actuator. The ECM can open and close the...

Circuit DescriptionThe crankcase pressure sensor is used to monitor the pressure inside the crankcase. The engine control module (ECM) supplies...

Circuit DescriptionThe crankcase pressure sensor is used to monitor the pressure inside the crankcase. The engine control module (ECM) supplies...

Circuit DescriptionThe water-in-fuel sensor is in the fuel filter. The engine control module (ECM) provides a 5 volt reference signal...