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OBD-II PIDs ARSALI (On-board diagn ameter IDs) are codes ut 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.
See OBD-II PIDs#Service_09 for an extensive list. Service / Mode $0A lists emission-related "permanent" diagnostic trouble codes stored. As per CARB, any diagnostic trouble codes that is commanding MIL on and stored into non-volatile memory shall be logged as a permanent fault code. See #OBD-II_diagnostic_trouble_codes.
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 Autel AL319 OBD-II scanner was slow to boot up, slow to read codes, and difficult to navigate. Thanks to a single directional button, churning through the menus takes some practice (and patience).
OBD 1 vs OBD 2 the vehicle will also dictate what the scan tool is able to display. If the vehicle is equipped with OBD 1 it will have significantly less available data when compared to a vehicle equipped with OBD 2. [3] When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem ...
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The description of Mode 3 DTC parameter data seems to be specific to CAN-bus OBD-II ECUs. Older, pre-2003 OBD-II ECUs (i.e., J1850 VPW/PWM, ISO 9142-2 and Keyword 2000) pack DTC data into multiple OBD-II response packets somewhat differently. --Bruce D. Lightner 17:00, 14 December 2011 (UTC)
OBD-II PIDs (on-board diagnostics parameter IDs), requests for data through an OBD connector in automotive repair; Packet Identifier, a field in a MPEG transport stream packet; Partial information decomposition, an extension of information theory; Passive infrared detector, a passive infrared sensor