Brief Bidirectional Control The UltraDiag 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. Bidirectional control includes fuel injectors, coolant pumps, windows, windshield wipers, and more. Specs Product Overview Features What's In The Box? Comp Chart FAQs