Circuit DescriptionThe vehicle speed sensor senses the speed of the tailshaft gear on the vehicle’s transmission. This speed signal is...

Circuit DescriptionThe Engine Control Module (ECM) calculates a calibration memory checksum based on the values of certain parameters in the...

Circuit DescriptionThe vehicle speed sensor senses the speed of the tailshaft gear on the vehicle’s transmission. This speed signal is...

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

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...