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2. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   On-board diagnostics. Various views of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. 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 ...

3. Engine control unit - Wikipedia

   en.wikipedia.org/wiki/Engine_control_unit

   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 ...

4. Electronic control unit - Wikipedia

   en.wikipedia.org/wiki/Electronic_control_unit

   An ECU from a Geo Storm. An electronic control unit ( ECU ), also known as an electronic control module ( ECM ), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle . Modern vehicles have many ECUs, and these can include some or all of the following ...

5. Check engine light - Wikipedia

   en.wikipedia.org/wiki/Check_engine_light

   MIL on a running engine indicating malfunction in engine control system. 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 ...

6. List of Mazda model codes - Wikipedia

   en.wikipedia.org/wiki/List_of_Mazda_model_codes

   Mazda generally starts car model codes at the letter "A", but van and truck variants often get different names, usually starting at "V". Note: The US-built Mazda6 and Tribute do not use the Mazda model code in the VIN; in its place is an AutoAlliance code. Instead of the model code letter, position four in the VIN specifies the vehicle's safety ...

7. Scan tool - Wikipedia

   en.wikipedia.org/wiki/Scan_tool

   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. When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem detected.

8. O'Reilly Auto Parts - Wikipedia

   en.wikipedia.org/wiki/O'Reilly_Auto_Parts

   O'Reilly Auto Parts. O’Reilly Automotive, Inc., doing business as O’Reilly Auto Parts, is an American auto parts retailer that provides automotive aftermarket parts, tools, supplies, equipment, and accessories to professional service providers and do-it-yourself customers. Founded in 1957 by the O’Reilly family, the company operates more ...

9. 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 and the now obsolete ISO 15765-3 (Diagnostic Communication over Controller Area Network (DoCAN) [2]). 'Unified' in this context ...