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A typical ETC system consists of three major components: (i) an accelerator pedal module (ideally with two or more independent sensors), (ii) a throttle valve that can be opened and closed by an electric motor (sometimes referred to as an electric or electronic throttle body (ETB)), and (iii) a powertrain or engine control module (PCM or ECM). [4]
1987: The 1982–1987 Audi 5000's sales in the United States fell after recalls linked to sudden unintended acceleration. There were 700 accidents and 6 deaths. 1988: 1986 Honda Accords were documented to have had sudden acceleration incidents due to the Vehicle Speed Control component, as reported to the NHTSA. [23]
Accelerate-by-wire or throttle-by-wire, [17] more commonly known as electronic throttle control, is a system that actuates vehicle propulsion without any mechanical connections, such as cables, from the accelerator pedal to the throttle valve of the engine or other propulsion systems. In electric vehicles, this system controls the electric ...
Some engine control units (ECUs) also control the throttle position by electronic throttle control (ETC) or "drive by wire" systems, and if that is done, the position sensor is used in a feedback loop to enable that control. [1] Related to the TPS are accelerator pedal sensors, which often include a wide open throttle (WOT) sensor.
A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.
The transmission is monitored and regulated by Audi's "Dynamic Regulating Programme" (DRP), [2] which tracks the driver's inputs (from how the driver applies the throttle pedal), [2] driving conditions, and engine load - to compute the optimal gear ratio for fuel efficiency or maximum performance, as mandated by the user. [2]
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The Audi A5 is a series of compact executive / grand touring coupé cars produced by the German automobile manufacturer Audi since June 2007. The A5 range additionally comprises the coupe, cabriolet, and "Sportback" (a five-door liftback with a fastback roofline) version of the Audi A4 saloon and estate models.
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