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)
      Electronic system of injection, lambda regulation, regulation on a detonation
      Electronic system of injection, relay of the fuel pump, fuel pump
      Electronic system of injection, ignition system
   + 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





2-liter 4-cylinder engine (85 kW)

Electronic system of injection, lambda regulation, regulation on a detonation

G39 – a lambda probe
G61 – the detonation sensor I
J169 – the Digifant control unit
J176 – the relay of power supply of the Digifant control unit
S25 – a separate safety lock of heating a lambda probe
T1a – one-contact shtekerny connection, on the right in a motor compartment
T2x – two-contact shtekerny connection of black color, in a water-proof casing near a plate with the relay (diagnostic tips)
T2z – two-contact shtekerny connection of white color, in a water-proof casing near a plate with the relay (diagnostic tips)

T3l – three-contact shtekerny connection of green color for the left detonation sensor
T5 – five-contact shtekerny connection of black color, a shtekerny block in the additional block of the relay
Z19 – heating a lambda probe
(17) – a point of "weight" (case) on an inlet collector
(83) – connection on "weight" (case)-1, in an electrochain in front on the right
* – only at models with KP
** – only at models with AKP
G6 – the fuel pump
G18 – the temperature sensor