Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
1.1. The general data
1.2. Keys, locks of doors
1.3. Controls, a combination of devices and the equipment of salon of the car
1.4. Seats and means of passive safety
1.5. Air-conditioning and heating
1.6. Driving and car service
1.6.1. Engine start-up
1.6.2. A manual brake
1.6.3. The help at a parking ahead and behind
1.6.4. System of regulation of speed
1.6.5. An automatic transmission
1.6.6. A klinotsepnoj variator «Multitronic»
1.6.7. Operation «Multitronic»
1.6.8. Electronic system of dynamic stabilisation (ЕSР)
1.6.9. The protivoblokirovochnoe device brake systems
1.6.10. Electronic blocking of differential (ЕDS)
1.6.11. System of regulation of a drive of driving wheels (ASR)
1.6.12. The amplifier of a steering drive
1.6.13. System сервотроник
1.6.14. A full drive («Quattro»)
1.6.15. Movement with the trailer
1.6.16. The demountable tjagovo-drawbar
1.6.17. The control of level of oil
1.6.18. A cooling liquid
1.6.19. The storage battery
1.6.20. Стеклоомыватель
1.6.21. Wheel replacement
1.6.22. Поднимание the car
1.6.23. Dismantle / wheel installation
1.6.24. The help of start-up of the engine
1.6.25. Safety locks
1.6.26. Lamps накаливания
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes
 




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1.6.10. Electronic blocking of differential (ЕDS)

Electronic blocking of differential prevents пробуксовывание a corresponding wheel.
Under very adverse road conditions electronic blocking of differential (EDS) considerably facilitates трогание from a place, dispersal and movement uphill.
EDS works in an automatic mode, i.e. without participation of the driver. By means of sensor controls ABS the device supervises frequency of rotation of driving wheels. At a divergence of frequency of rotation of driving wheels (approximately 100 mines-1), for example, on slippery not on all width to the road, the revolving wheel is braked, and having the best coupling with wheel road receive the raised force of draught. EDS works at speed approximately no more than 40 km/h (a forward drive) or 80 km/h (a full drive). Regulation process is accompanied by characteristic noise.

Трогание from a place
At пробуксовывании wheels owing to difference of factor of coupling of driving wheels on width of a road cloth (for example, one wheel on ice) press an accelerator pedal while the car will not get under way from a place.
Heating of the brake mechanism
EDS for short time it is disconnected, that the disk brake of a braking wheel has not overheated at extraordinary high loading. Thus the car is ready for operation and has the same dynamic properties, as the car without EDS.
EDS automatically joins again right after coolings of the brake mechanism.

ATTENTION
At dispersal on equally slippery road on all width, for example, in ice and snow, cautiously press an accelerator pedal. There is a probability пробуксовывания driving wheels, despite EDS, and by that infringements of stability during movement.

THE NOTE
Fire of control lamp ABS can mean also malfunction EDS. In this case as soon as possible address on the specialised enterprise.


1.6.9. The protivoblokirovochnoe device brake systems

1.6.11. System of regulation of a drive of driving wheels (ASR)