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
   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 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)
      Cooling system fan
      Turning on of the fan of the cooling system after termination of work of the engine
      Electronic system of injection, lambda probe
      Electronic system of injection
      Electronic system of injection, regulation on a detonation, the relay of the fuel pump, the fuel pump
      System of ignition
   + 2,6-liter 6-cylinder engine (110kvt)
   + Additional equipment
   + 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
   List of malfunctions
+ System of ignition
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

Electronic system of injection, lambda probe

Colors of wires: br – to, br/ro – to / kr, gl/ro – z/kr, ws/bl – / sn, br/ws – to/, ge – br/ge – to/, br/bl – to / sn, br/sw – to / h, ro/ws – kr/, ro/ge – kr/, ge/ro – / kr, sw/bl – h, sn, ws/gr – / sr, gl/bl – z/sn, ro/sw – kr / h.

(84) – connection on "weight" (case), the engine case, in an electrochain in front on the right
(A27) – the connecting line (a high-speed signal), in an electrochain to the dashboard
(D6) – the connecting line (lambda), in an electrochain in front on the right
(D11) – the positive connecting line (15) through a safety lock 28 in an electrochain in front on the right
(D80) – the connecting line (a rotation frequency signal), in an electrochain of a motor compartment
* – code plugs are free
** – only for the cars which are exported to Sweden
*** – only for models with KP