Audi 80/Avant (B4)

Since 1991-1995 of release

Repair and car operation



Audi 80/Avant
+ The description
+ Engines
+ System of release of the fulfilled gases
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and воздухозаборные channels
+ Injection system
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Antiblocking system of brakes
+ Wheels and tyres
- Kuzovnaja electrosystem
   Minus to "weight"
   Orientation in electrosystem
   Wires
   Plug connections
   The central switchboard
   The additional block of the relay
   The relay and management blocks
   The unloading relay of contact Х
   Safety locks
   The table of safety locks
   Electric schemes
   + The full electroscheme of car Audi 80: the 2-litre 4-cylinder engine (66 kw)
   + The 2-litre 4-cylinder engine (85 kw)
   + The 2,3-litre 5-cylinder engine (98 kw)
   + The 2,6-litre 6-cylinder engine (110кВт)
   + Additional equipment
   + The storage battery
   + The generator
   Condition check клинового or полилинового a belt
   Tension клинового a belt
   Tension клинового or поликлинового a belt
   Torn клиновой a belt
   Overheat of the engine because of damage клинового a belt
   The review wedge and полиwedge belts
   Replacement клинового a belt
   The list of malfunctions
   Starter
   The list of malfunctions
+ Ignition system
+ Illumination
+ 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 lock of ignition a food only at the included ignition, and except the coil of ignition a food arrives and to those consumers of a current which should receive it only at direct operation of the car. Wires to plugs 15 have a black cover, sometimes with additional colour strips.

The plug 30 constantly receives a food from a positive conclusion of the storage battery or, at the working engine, from the generator. Casual handling of tools can lead to short circuits and искрообразованию if not to disconnect a negative conclusion of the accumulator. This wire constantly being energised has a red cover, if necessary with additional colour 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 giving of a food for a passing light (yellow and yellow-black) and for a headlight with white (white-black wires).

The plug 58 is necessary for a parking light in front (dimensions), and also for back dimensional fires and bulbs of illumination of number. Primary colour of a cover of a wire – grey, according to additional colour strips.

The plug 31 is a plug of the case, or "weights" with which help the food consumer should be connected with the car case that the electric chain was closed. Corresponding wires are supplied by a brown cover.

Designation of electric connectors

Separate wires are often united in Audi 80 in the 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 штекерных connections number of wires in which and their exact position are specified in electroschemes in the following chapter.