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The ELM327 is a programmed microcontroller produced for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented by other vendors. The original ELM327 was implemented on the PIC18F2480 microcontroller from ...
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. [1 ...
OpenXC could offer a standard interface, similar to the ELM327 interface. An OBD interface may be complex to implement, while the OpenXC API is designed to be friendly for application developers; Possible advantages of using the OBD interface include Use well established existing OBD interface hardware and software, e.g. using the ELM327 protocol
OBD-II PIDs. 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.
ALDL. ALDL 12 pins connector - front view. Assembly Line Diagnostic Link, Assembly Line Data Link, or ALDL is a proprietary on-board diagnostics system developed by General Motors before the standardization of OBD-2. It was previously called Assembly Line Communications Link or ALCL. The two terms are used interchangeably.
Victoria Waldersee. September 10, 2024 at 5:41 AM. By Victoria Waldersee. FRANKFURT (Reuters) -Nearly 900 Chinese auto suppliers and a handful of electric vehicle makers are taking part in a trade ...
Typical simple USB KKL Diagnostic Interface without protocol logic for signal level adjustment. Computers can be used to decode on-board diagnostics (OBD) data to a visual display. Many interfaces are based on the ELM327 OBD Interpreter ICs. [citation needed] STN1110 is also known to be used. [14]
OBDuino is an open source trip computer design based on the Arduino platform. An OBDuino may be assembled and customised by an electronics hobbyist; it displays information such as instantaneous fuel economy (e.g. miles per gallon, L/100 km or kilometres per litre), engine tuning parameters etc. on an LCD.