Brief Bi-Directional Control The TopScan car scanner can get access to vehicle-specific subsystems and component parts that drive the actuators to perform a specific function. This determines the integrity of the system or parts, allowing users to analyze and locate faulty parts more accurately. Including fuel injectors, coolant pumps, windows, windshield wipers, and more. Find Specs Fix Features TopScan Pro Repair Information What's In The Box? Comp Chart FAQs