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Audi 80/Avant (B4)Since 1991-1995 of releaseRepair and car operation |
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Audi 80/Avant + The description + Engines + System of release of the fulfilled gases + Cooling system + Fuel tank and the fuel pump + The air filter and воздухозаборные channels + Injection system + Coupling + Transmission and transmission + Suspension bracket and steering + Brake system + Antiblocking system of brakes + Wheels and tyres + Kuzovnaja electrosystem + Ignition system + Illumination + Signalling devices - Devices and auxiliary devices Check of indicators and signalling devices Elements of a combination of devices Speedometer Tachometre Hours The indicator of quantity of fuel The indicator of temperature of a cooling liquid Voltage stabilizer Additional devices The top indicators in a combination of devices The indicator of a cooling liquid The indicator of brake system The indicator of pressure of oil Indicators of indexes of turns The bottom indicators The indicator of a charge of the storage battery The indicator of indexes of turn of the trailer The indicator of a pillow of safety The indicator of antiblocking system The headlight indicator The indicator of a lay brake Self-examination system Switches The ignition lock Check of switches Buzzer of switching-off of illumination and radio Cigar Lighter Heating of back glass Check of screen wipers and windscreen The screen wiper engine The list of malfunctions Screen wiper of back glass The list of malfunctions Replenishment of a tank of a washer of glasses System of washing of headlights Audiosystem The aerial of back glass Electric regulation of external rear-view mirrors System of locks with the central management Electric window raiser + Heating and ventilation + Body elements + Search of malfunctions + Specifications 
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Speedometer Earlier to us the speedometer which was put in action by flexible shaft – speedometer shaft was habitual. Absolutely in another way in Audi 80: its speedometer is the electronic measuring device similar to a tachometre. The same as a tachometre, it receives impulses of frequency of rotation – but not from the engine, and from the gauge in a transmission. There frequency of rotation of wheels is measured. The device correlates impulses of turns to the time factor and thus receives reference size for speed. Advantages of an electronic speedometer: a silent drive, more exact indicators. The gauge of impulses of a speedometer Impulses of turns for a speedometer proceed from герконового the gauge at the left on a transmission. Геркон is the contact group tightly closed and located in a gas cover. Contact becomes isolated, if it is influenced by a magnetic field. That геркон delivered impulses, it should become isolated and be disconnected in beat frequencies of rotation. Therefore the wheel with the dredging, rotating in front of the gauge, influences a magnetic field influencing contact group. Check of the gauge of impulses of a speedometer
Removal of the generator of impulses of a speedometer
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