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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    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.

  3. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    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.

  4. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    A check engine light or malfunction indicator lamp ( MIL ), is a tell-tale that a computerized engine-management system used to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.). Found on the instrument panel of most ...

  5. Unified Diagnostic Services - Wikipedia

    en.wikipedia.org/wiki/Unified_Diagnostic_Services

    Unified Diagnostic Services ( UDS) is a diagnostic communication protocol used in electronic control units (ECUs) within automotive electronics, which is specified in the ISO 14229-1. [1] It is derived from ISO 14230-3 ( KWP2000) and the now obsolete ISO 15765 -3 (Diagnostic Communication over Controller Area Network (DoCAN) [2] ).

  6. Tell-tale (automotive) - Wikipedia

    en.wikipedia.org/wiki/Tell-tale_(automotive)

    Tell-tale (automotive) A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine". Graphical tell-tales. A tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.

  7. Data link connector - Wikipedia

    en.wikipedia.org/wiki/Data_link_connector

    The data link connector (DLC) is the multi-pin diagnostic connection port for automobiles, trucks, and motorcycles used to interface a scan tool with the control modules of a given vehicle and access on-board diagnostics and live data streams. Prior to 1996, many OBD-I data link connector's were in the engine compartment, usually near the fuse ...

  8. Planar laser-induced fluorescence - Wikipedia

    en.wikipedia.org/wiki/Planar_laser-induced...

    Planar laser-induced fluorescence. A simplified PLIF experimental facility. Planar laser-induced fluorescence (PLIF) is an optical diagnostic technique widely used for flow visualization and quantitative measurements. PLIF has been shown to be used for velocity, concentration, temperature and pressure measurements.

  9. System Mechanic FAQs - AOL Help

    help.aol.com/articles/system-mechanic-faqs

    System Mechanic, from iolo, is a software suite that secures, optimizes, repairs and fine tunes your computer so the system can run faster and at its best. System Mechanic software: Boosts internet speed by optimizing connection settings. Removes internet traces. Fixes over 30,000 different PC problems.

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