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2. 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.

3. Engine control unit - Wikipedia

   en.wikipedia.org/wiki/Engine_control_unit

   Delco ECU used in General Motors vehicles built in 1996. An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled by an ECU include the fuel injection and ignition systems.

4. Ford EEC - Wikipedia

   en.wikipedia.org/wiki/Ford_EEC

   Preliminary design work in EEC-IV started even before EEC-III was in production. Over time, there were many different modules designed around this processor. It is likely that more Ford vehicles were produced using Engine/Powertrain Control Modules (ECM/PCM) based on variations of this design than any other module that Ford has ever used.

5. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   1981: General Motors introduced its "Computer Command Control" system on all US passenger vehicles for model year 1981. Included in this system is a proprietary 5-pin ALDL that interfaces with the Engine Control Module (ECM) to initiate a diagnostic request and provide a serial data

6. Cadillac High Technology engine - Wikipedia

   en.wikipedia.org/wiki/Cadillac_High_Technology...

   For its time, the engine and its electronic control module (ECM) were quite sophisticated, despite having a throttle-body fuel injection system (as opposed to more advanced multiport fuel injection). Like the 6.0/368" DFI engines before it, the HT4100 used an ECM that incorporated a detailed on-board computer.

7. AMC computerized engine control - Wikipedia

   en.wikipedia.org/wiki/AMC_Computerized_Engine...

   It is one of the three major components for proper engine operation: the computer, electrically controlled carburetor, and the oxygen sensor in the exhaust system. [ 2 ] Starting with the 1986 model year, the AMC straight-4 engines used a throttle body injection (TBI) or single-point , fuel injection system with a new fully computerized engine ...