Audi A4

since 1994 of release

Repair and car operation



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
- Electrotechnical equipment
   The minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Wires
   Connections of wires
   Central switching knot
   Support of additional relays
   Box for electronics
   Relay and control units
   Switching relay
   H-contact of the relay of unloading
   Table of the relay and control units
   Safety locks
   Table of safety locks
   + Electric circuits
   + Accumulator
   + Generator
   + Starter
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics


Бизнес и аналитика, детали Бизнес и аналитика.



Connections of wires

In statistics of accidents of ADAC loose connections of wires mentioned long time as most often meeting reason of failures – and it concerned all cars.

It was put an end by Audi firm: almost all sockets are in addition fixed by a mechanical way by means of clamps. (To disconnect the socket, it is necessary to overcome a clamp.)

Here most often meeting clamps of sockets:

  • Sockets of system of injection are fixed by a wire collar which needs to be wrung out down.
  • The majority of mnogoshtyrkovy sockets on each side has lock grooves which need to be pressed to remove the socket.
  • For example, in the combined device there are mnogoshtyrkovy sockets which are fixed by the inserted collar.