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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/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

    Service / Mode $03 lists the emission-related "confirmed" diagnostic trouble codes stored. It either displays numeric, 4 digit codes identifying the faults or maps them to a letter (P, B, U, C) plus 4 digits. See #OBD-II_diagnostic_trouble_codes. Service / Mode $04 is used to clear emission-related diagnostic information. This includes clearing ...

  4. 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 ] ).

  5. Direct torque control - Wikipedia

    en.wikipedia.org/wiki/Direct_torque_control

    ACS600 drives has since been replaced by ACS800 [9] and ACS880 drives. [10] Vas, [11] Tiitinen et al. [12] and Nash [13] provide a good treatment of ACS600 and DTC. DTC has also been applied to three-phase grid side converter control. [14] [15] Grid side converter is identical in structure to the transistor inverter controlling the machine ...

  6. Duramax V8 engine - Wikipedia

    en.wikipedia.org/wiki/Duramax_V8_engine

    The LMM (engine code "6") debuted part way through 2007 and ended production with the start of the 2011 calendar year and is mated to the 6-speed Allison transmission. The LMM was the only Duramax offered for model years 2007–2010. [6] A version was used in the Trident Iceni. [7]

  7. Aviation transponder interrogation modes - Wikipedia

    en.wikipedia.org/wiki/Aviation_transponder...

    Provides the aircraft's pressure altitude and is usually combined with Mode 3/A to provide a combination of a 4-digit octal code and altitude as Mode 3 A/C, often referred to as Mode A and C [2] 4: Provides a 3-pulse reply, delay is based on the encrypted challenge [1] 5: Provides a cryptographically secured version of Mode S and ADS-B GPS ...

  8. Mercedes-Benz 7G-Tronic transmission - Wikipedia

    en.wikipedia.org/wiki/Mercedes-Benz_7G-Tronic...

    In normal condition it sequentially shift gears, but if required it can skip some gears, that are: 7 to 5, 6 to 2, 5 to 3 and 3 to 1. [3]On vehicles with 6 or 8 cylinder engines with comfort mode engaged, as well as on off-road vehicles with low range selected, the transmission will always use 2nd gear as initial gear.

  9. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    3- or 4-digit number: The section width (cross-section) of the tire in inches. If the tire diameter is not given, section widths ending in zero (e.g., 7.00 or 10.50) indicate the aspect ratio of 92%, while section widths not ending in zero (e.g., 7.05 or 10.55) indicate the aspect ratio of 82%.

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