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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    Control module voltage 0 65.535 V ... Sensor B: + 67: 103: 3 Engine coolant temperature ... / Check engine light Clears all stored trouble codes and turns the MIL off.

  3. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    For example, in several Mazda models, the light will come on at 80,000 miles (130,000 km) and remain lit without generating a computer trouble code. [citation needed] Volvo had a light labeled "lambda", lambda sond being another name for oxygen sensor. This was done in order to remind the driver to change the oxygen sensor.

  4. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    Diagnostic Trouble Codes (DTCs) are displayed through the electronic climate control system's digital readout when in diagnostic mode. [ 3 ] 1981: General Motors introduced its "Computer Command Control" system on all US passenger vehicles for model year 1981.

  5. Electronic control unit - Wikipedia

    en.wikipedia.org/wiki/Electronic_control_unit

    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.

  6. DIN 72552 - Wikipedia

    en.wikipedia.org/wiki/DIN_72552

    charge indicator (charge control light) B+ battery + 51, 51B+, B+30, B+51 B- battery - 31B- D+ dynamo/alternator diode+ D- dynamo/alternator diode- DF dynamo field DF1 dynamo field 1 DF2 dynamo field 2 U, V, W AC three phase terminals Lights 54 brake lights 54g lights 54 55 fog light N 56 spot light 56a headlamp high beam and indicator light 56b

  7. Engine control unit - Wikipedia

    en.wikipedia.org/wiki/Engine_control_unit

    The Ford EEC (Electronic Engine Control) system, which utilized the Toshiba TLCS-12 microprocessor, went into mass production in 1975. [ 7 ] The first Bosch engine management system was the Motronic 1.0 , which was introduced in the 1979 BMW 7 Series (E23) [ 8 ] This system was based on the existing Bosch Jetronic fuel injection system, to ...

  8. Powertrain control module - Wikipedia

    en.wikipedia.org/wiki/Powertrain_control_module

    A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the PCM, the TCU, and the Body Control ...

  9. Body control module - Wikipedia

    en.wikipedia.org/wiki/Body_control_module

    In automotive electronics, body control module or 'body computer' is a generic term for an electronic control unit responsible for monitoring and controlling various electronic accessories in a vehicle's body.