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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    Exhaust Gas Temperature Sensor 99: 153: 9 Exhaust Gas Temperature Sensor 9A: 154: 6 Hybrid/EV Vehicle System Data, Battery, Voltage 9B: 155: 4 Diesel Exhaust Fluid Sensor Data % 9C: 156: 17 O2 Sensor Data 9D: 157: 4 Engine Fuel Rate g/s 9E: 158: 2 Engine Exhaust Flow Rate kg/h 9F: 159: 9 Fuel System Percentage Use A0: 160: 4

  3. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    The European on-board diagnostics (EOBD) regulations are the European equivalent of OBD-II, and apply to all passenger cars of category M1 (with no more than 8 passenger seats and a Gross Vehicle Weight rating of 2,500 kg, 5,500 lb or less) first registered within EU member states since January 1, 2001 for petrol-engined cars and since January ...

  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 uses 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.).

  5. Defect detector - Wikipedia

    en.wikipedia.org/wiki/Defect_detector

    Standard North American installation of a combination hot box / dragging equipment detector. A defect detector is a device used on railroads to detect axle and signal problems in passing trains.

  6. ISO 26262 - Wikipedia

    en.wikipedia.org/wiki/ISO_26262

    A resulting malfunction that has a hazardous effect represents a loss of functional safety. Item Within this standard, item is a key term. Item is used to refer to a specific system (or combination of systems) to which the ISO 26262 Safety Life Cycle is applied, that implements a function (or part of a function) at the vehicle level.

  7. Equivalent temperature - Wikipedia

    en.wikipedia.org/wiki/Equivalent_temperature

    In atmospheric science, equivalent temperature is the temperature of air in a parcel from which all the water vapor has been extracted by an adiabatic process. Air contains water vapor that has been evaporated into it from liquid sources (lakes, sea, etc...). The energy needed to do that has been taken from the air.

  8. Johnson–Nyquist noise - Wikipedia

    en.wikipedia.org/wiki/Johnson–Nyquist_noise

    Figure 4. These circuits are equivalent: (A) A resistor at nonzero temperature with internal thermal noise; (B) Its Thévenin equivalent circuit: a noiseless resistor in series with a noise voltage source; (C) Its Norton equivalent circuit: a noiseless resistance in parallel with a noise current source.

  9. Dry-bulb temperature - Wikipedia

    en.wikipedia.org/wiki/Dry-bulb_temperature

    The dry-bulb temperature (DBT) is the temperature of air measured by a thermometer freely exposed to the air, but shielded from radiation. [1] The dry-bulb temperature is the temperature that is usually thought of as air temperature, and it is the true thermodynamic temperature. It is directly proportional to the mean kinetic energy of the air ...