Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation


Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ injection System
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
- Body electrosystem
   Minus to "weight"
   Orientation in electrosystem
   Wires
   Plug connections
   Central switchboard
   Additional block of the relay
   Relay and control units
   Unloading relay of contact X
   Safety locks
   Table of safety locks
   Electric circuits
   + Full electroscheme of the Audi 80 car: 2-liter 4-cylinder engine (66 kW)
   + 2-liter 4-cylinder engine (85 kW)
   + 2,3-liter 5-cylinder engine (98 kW)
   + 2,6-liter 6-cylinder engine (110кВт)
   + Additional equipment
   + Storage battery
   + Generator
   Check of a condition of a maple or polilinovy belt
   Tension of a maple belt
   Tension of a maple or poliklinovy belt
   Torn maple a belt
   Engine overheat because of damage of a maple belt
   Review of maple and poliklinovy belts
   Replacement of a maple belt
   List of malfunctions
   Starter
   List of malfunctions
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications



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Safety locks

In the car the certain established quantity of a current is necessary for each electric device. According to this current the cross-section section of a wire conducting to the device is defined also.

If in this electric chain the current raises, for example, because of appearance of additional consumers or because of short circuit, this wire is overloaded. Thus it can heat up slightly or even to start to be heated, if in due time not to interrupt receipt of a current. It is done also by safety locks. As it was already noted, in order that the Audi car at defect in an electrochain did not appear completely without a food, safety locks are distributed in various electrochains. However connections between the accumulator, the generator, a starter and the lock of ignition are not protected by safety locks.

Replacement of safety locks

 PERFORMANCE ORDER

  1. If it is necessary to replace one of safety locks, you can use the small plastic nippers strengthened on a cover of the central switching center for a detachment.
  2. If the new safety lock again fuses at once, it is necessary to check, whether too weak safety lock was established.
  3. If the safety lock was picked up truly, it is necessary to reveal on the basis of the table of safety locks the connected consumers of a current and to check each of them separately. Thus the corresponding electroscheme also will help.
  4. In a doubtful case it is necessary to disconnect everything consumers and to connect them one by one on the single. The consumer at which connection the safety lock fuses, is faulty.

Additional safety locks

On certain versions with the additional equipment on the additional block of the central switchboard additional safety locks are located. Is what in the table of safety locks are specified at numbers 23-28.

Number 22 is necessary on cars with the diesel engine. As on this panel at some versions safety locks for ignition and injection system are located. The red cover with an inscription of "Motor-Moteur" serves thus as protection.