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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.
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
PCM: Power-train control module (Ford, GM, JLR) ECM: Engine control module; Injection control unit (Peugeot, [2] Citroën, Fiat, Alfa, Lancia) DME/DDE: Digital Motor Electronics / Digital Diesel Electronics (BMW, [3] Mini) ECU: Electronic control unit / Engine control unit
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.
GM's Automatic Safety Transmission (AST) was a semi-automatic transmission released in 1937. The first mass-produced fully-automatic transmission developed for passenger automobile use was the GM Hydramatic introduced in 1940. [1] The Hydramatic was a big success, and had been installed in the majority of GM models by 1950.
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.
In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro Motive Division (EMD) in 1941, while Cleveland Diesel retained ...
When Emerson Fittipaldi won the 1989 Indianapolis 500 in a Chevrolet Indy V8 engine controlled by a Delco Electronics electronic engine control module (ECM), it was the first time in the 500's history that the engine of the winning vehicle was controlled by an electronic engine management system.