For the Engine Data Line (EDL) Diagram, see Figure “Engine Data Line Diagram” .‪ Figure 1. Engine Data Line Diagram Section 27.1.1 Circuit Functions The…

The Engine Coolant Temperature (ECT) sensor is a thermistor type sensor that has a variable resistance that changes when exposed to different temperatures. When interfaced…

The purpose of the Engine Coolant Level (ECL) monitoring system is to signal the driver in the event of a low coolant situation. Depending on…

The Engine Crank Inhibit (ECI) feature of the ECM is used to control the operation of the cranking motor. The ECM prevents the cranking motor…

Follow these procedures to diagnose and correct the Electronic Foot Pedal Assembly and Idle Validation Sensor. ‪ Section 23.1.1 Signal Functions The accelerator position sensor…

The ECM requires a 12 volt source of power to perform its functions. It receives this operating power directly from the vehicle batteries via the…

The ECM monitors and controls engine/vehicle operation and performance, enables vehicle features such as PTO and cruise control to function, communicates engine/vehicle information to the…

Follow these procedures to diagnose and correct faults with the Change Oil Lamp.‪ Section 20.1.1 System Functions The amber Change Oil Lamp will be illuminated…

Follow these procedures to diagnose and correct Camshaft Position Sensor (CMP) faults.‪ Section 19.1.1 Signal Functions The CMP sensor is a Hall Effect type sensor…

The service brake circuit function is to signal the ECM when the brakes are applied. This information is used to disengage the cruise control and…