Circuit DescriptionThe aftertreatment DEF dosing valve is controlled by the aftertreatment DEF controller. When the engine ECM commands DEF dosing,...

Circuit DescriptionThe diesel exhaust fluid dosing unit lines are responsible for transporting diesel exhaust fluid between the dosing unit, dosing...

Circuit DescriptionThe DEF dosing unit supplies DEF to the aftertreatment nozzle through the nozzle supply line. Component LocationThere are three...

Circuit DescriptionThe mass air flow sensor is a frequency based device. A constant voltage is applied to a heated wire....

Circuit DescriptionThe aftertreatment diesel exhaust fluid controller provides a 5 volt supply and a ground to the aftertreatment diesel exhaust...

Circuit DescriptionThe aftertreatment diesel exhaust fluid controller provides a 5 volt supply and a ground to the aftertreatment diesel exhaust...