Circuit DescriptionThe ECM calculates a differential pressure across the turbocharger using the intake manifold pressure sensor and the crankcase pressure...

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

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

Circuit DescriptionCertain anti-lock braking (ABS) controllers communicate with the engine control module (ECM) through the SAE J1939 data link. Under...

Circuit DescriptionThe ECM records the time from the completion of an active regeneration of the aftertreatment diesel particulate filter until...

Circuit DescriptionThe engine aftertreatment system monitors the soot load in the aftertreatment diesel particulate filter. Under normal operating conditions, the...