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



Orientation in electrosystem

Designations of plugs

The motley mix of wires in the car actually is very ordered, because many details of automobile electrosystem are standard. Figures on various details and cable connections, and also in electroschemes have in all German and in some foreign cars the same value.

The plug 15 receives from the ignition lock a food only at the included ignition, and except the ignition coil a food arrives and to those consumers of a current who should receive it only at direct operation of the car. Wires to plugs 15 have a black cover, sometimes with additional color strips.

The plug 30 constantly receives a food from a positive conclusion of the storage battery or, at the working engine, from the generator. Careless handling of tools can lead to short circuits and an iskroobrazovaniye if not to disconnect a negative conclusion of the accumulator. This wire constantly being energized has a red cover, if necessary with additional color strips.

The plug 49 is responsible for rotary and emergency light alarm systems.

The plug 53 delivers a food to system of washing of glasses.

The plug 56 is responsible for food giving for a passing beam (yellow and yellow-black) and for a driving beam with white (white-black wires).

The plug 58 is necessary for a parking light in front (dimensions), and also for back marker lights and bulbs of illumination of number. Primary color of a cover of a wire – gray, according to additional color strips.

The plug 31 is a plug of the case, or "masses" by means of which the consumer of a food should be connected with the car case in order that the electric chain was closed. The corresponding wires are supplied with a brown cover.

Designation of electric connectors

Separate wires are often incorporated in Audi 80 in big plaits with a black cover that complicates search of a certain wire. The help on orientation in this case can be received from numerous multicontact shtekerny connections number of wires in which and their exact situation are specified in electroschemes in the following chapter.