How are ECMs used in a cat system?
How are ECMs used in a cat system? ECMs are sophisticated computers. They contain electronic power supplies, central processing units, memory, sensor input circuits, and output driver circuits. They communicate with other electronic controls over a bi-directional data link. Most ECMs used in Cat electronic control systems use three types of inputs. Can you tell me why the odometer and ECM numbers don? I've never seen any truck where ECM miles perfectly matched odometer miles. Going by the GPS my odometer, before it quit working this past April, was spot on 100 miles driven when the GPS said I had...