How does a car scan tool work in a car?
How does a car scan tool work in a car? That information travels along a wire to a standard 16-terminal diagnostic connector (although, generally, fewer than a half-dozen terminals are live in any given vehicle). Because manufacturers do not all use the same data transmission protocols, the scan tool must be programmed to recognize which one is being used. How to read scan data for car repair? After finding the connector simply plug in the diagnostic tool and begin reading the scan tool data. Most scan tools come with paper manuals or discs that provide a good knowledge base for...