Circuit DescriptionThe aftertreatment fuel pressure sensor is used to monitor the fuel pressure into the aftertreatment system. The engine control...

Circuit DescriptionBefore active regeneration of the aftertreatment diesel particulate filter, a diagnostic test on the system is performed. The aftertreatment...

Circuit DescriptionThe variable geometry turbocharger (VGT) is electronically activated by the VGT actuator. The VGT actuator is a smart device...

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

Circuit DescriptionThe engine control module (ECM) monitors the ambient air pressure using either an ambient air pressure sensor or a...

Circuit DescriptionThe coolant level sensor is a switch and is used to measure the level of the engine coolant in...