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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 ...
The engine controller may have several different names, such as "DME", "Enhanced Powertrain", "PGM-FI" and many others. Door control unit (DCU) Engine control unit (ECU) – not to be confused with electronic control unit, [4] the generic term for all these devices
A telematic control unit (TCU) in the automobile industry is the embedded system on board a vehicle that wirelessly connects the vehicle to cloud services or other vehicles via V2X standards over a cellular network.
The division was transformed in the following years as it grew to meet the needs of General Motors for engine and powertrain control modules to meet the U.S. government's strict 1981 Clean Air Act and other improved vehicle safety items including anti-skid brake system controllers and inflatable restraint (airbag) systems.
Subaru FB engine; Subaru Industrial EX engine; Subaru Industrial SX engine; Subaru Industrial V-Twin engine; Subaru six-cylinder engines; V. VVT-i This page was ...
Engine manufacturers generally use a conservative electronic control unit map to allow for individual engine variations, as well as infrequent servicing and poor-quality fuel. Vehicles with a remapped electronic control unit may be more sensitive to fuel quality and service schedules. This was done with early engine computers in the 1980s and ...
For the first time in a Subaru engine, the centerlines of the cylinder bores do not intersect with the crankshaft axis to reduce friction during the piston downstroke; instead, there is a crank offset of 8 mm (0.31 in). Overall thermal efficiency is 40% due to the adoption of lean-burn combustion with an excess air ratio (λ) of 2. [32]
The active valve control system (AVCS) is an automobile variable valve timing technology used by Subaru. It varies the timing of the valves by using hydraulic oil pressure to rotate the camshaft, known as "phasing", [1] in order to provide optimal valve timing for engine load conditions. The system is closed loop using the camshaft sensors ...