Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing...

Circuit DescriptionThe real-time clock consists of a timing chip internal to the engine control module (ECM) which monitors engine off...

Circuit DescriptionThe aftertreatment diesel exhaust fluid level sensor is used to monitor the diesel exhaust fluid level inside the diesel...

Circuit DescriptionThe aftertreatment diesel exhaust fluid level sensor is used to monitor the diesel exhaust fluid level inside the diesel...

Circuit DescriptionBetween each injection event, the Engine Control Module (ECM) attempts to recharge the injector power supply. The injector power...

Circuit DescriptionThe sensor supply 1 circuit of the engine control module (ECM) provides a 5 volt supply to various sensors...