Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



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
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
- Body electrical system
   Minus to "weight"
   Orientation in the electrical system
   Wires
   Plug connections
   Central switchboard
   Additional block of the relay
   Relay and control units
   Unloading relay of contact of X
   Safety locks
   Table of safety locks
   Electric circuits
   + Full electrical circuitry 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 (110 kW)
   + Additional equipment
   + Rechargeable battery
   + Generator
   Check of a condition of a maple or polilinovy belt
   Tension of a maple belt
   Tension of a maple or poliklinovy belt
   The belt torn maple
   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
+ System of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Orientation in the electrical system

Designations of plugs

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

The plug 15 receives from the ignition lock food only at the included ignition, and except the ignition coil food arrives also to those consumers of current who have to 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 food from a positive conclusion of the rechargeable battery or, at the working engine, from the generator. Careless handling of tools can lead to short circuits and sparking if not to disconnect a negative conclusion of the accumulator. This wire which is constantly 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 food to system of washing of glasses.

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

The plug 58 is necessary for 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 "weight" by means of which the consumer of food has to 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 united in Audi 80 in big plaits with a black cover that complicates search of a certain wire. The help with orientation in this case can be received from numerous multicontact shtekerny connections, number of wires in which and their exact situation are specified in electrical circuitries in the following chapter.








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