Definition: IDB

(ITS Data Bus) An interface between devices in an automobile endorsed by the Society of Automotive Engineers (SAE). Designed to fulfill the goal of Intelligent Transportation Systems (ITS), the ITS Data Bus enables engine diagnostic equipment, GPS navigation systems, wireless phones, radios, TVs, games and other mobile devices to interoperate over a standard bus. For example, an IDB-compliant display screen could accept text and/or graphics output from an IDB-compliant navigation system, CD changer, cellphone or video game.