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On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it was originally certified.
OBD-II PIDs ( On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
Automatic number-plate recognition. The system must be able to deal with different styles of vehicle registration plates. License plate recognition process. Automatic number-plate recognition ( ANPR; see also other names below) is a technology that uses optical character recognition on images to read vehicle registration plates to create ...
VIN on a Chinese moped VIN on a 1996 Porsche 993 GT2 VIN visible in the windshield VIN recorded on a Chinese vehicle licence. A vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined by the ...
The U.S. has a massive network of license plate readers, typically found on the roadside, to collect and record the license plates of vehicles passing by. License plate readers can capture ...
Mon, Mar 15, 2021 · 4 min read. Two decades after its debut in the 2001 Series 7, BMW’s iDrive infotainment system is among the best on the market. It’s about to get even better — think ...
An engine control unit ( ECU ), also called an engine control module ( ECM ), [1] is a device which controls multiple systems of an internal combustion engine in a single unit. Systems commonly controlled by an ECU include the fuel injection and ignition systems. The earliest ECUs (used by aircraft engines in the late 1930s) were mechanical ...
Traffic-sign recognition ( TSR) is a technology by which a vehicle is able to recognize the traffic signs put on the road e.g. "speed limit" or "children" or "turn ahead". This is part of the features collectively called ADAS. The technology is being developed by a variety of automotive suppliers. It uses image processing techniques to detect ...
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