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

Circuit DescriptionThe fan control circuit is a device used by the engine to control the fan operation. When the engine...

Circuit DescriptionThe exhaust gas temperature is calculated by the engine control module (ECM). The exhaust gas temperature is derived by...

Lamp:Red Reason:The ECM has diagnosed that the engine is experiencing misfire on multiple cylinders. Effect:Possible reduced engine performance. Circuit Description:The...

Circuit DescriptionThe air shutoff valve is an optional component used to shutdown the engine in the event of an engine...

Circuit DescriptionThe ambient air temperature sensor is a variable resistor sensor and is used to measure the temperature of the...