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)
      Hall sensor, transformer of a high voltage, distributor of ignition, spark plug
      Ignition and starter switch, unloading relay of contact X, damping of a fuel tank
      The fan for cooling liquid, a thermoswitch for the fan
      Headlights, parking light, back marker lights, braking signal, backing headlight
      Lighting switches, switches of a passing beam of headlights, light signal driving beam of headlights and parking light
      Illumination of a ware box, illumination of a luggage compartment, illumination of registration plate, illumination of a motor compartment
      System of blinking indexes of turn and the alarm light system
      Screen wiper/washing system, system of cleaning of the headlights, warmed nozzles of a stekloomyvatel, sound signal
      Combination of devices, tachometer, digital watch, lighting regulator
      Combination of devices, voltage stabilizer, control of cooling liquid, the indicator of amount of fuel, speedometer
      Combination of devices, system of minicheck (mini-check-system), control of pressure of oil, control of cooling liquid
      Fog lights, antifog back lamps, control of a parking light
      System of ventilation of salon, lighter
      Door switch of lighting, illumination of salon, cosmetic mirror
      Heating of back glass, radio
   + 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





Full electroscheme of the Audi 80 car: 2-liter 4-cylinder engine (66 kW)

Storage battery, starter, three-phase generator of an alternating current, preliminary heating of an inlet collector

Colors of wires: ro – кр, sw – h, ro/sw – кр / h, bl – сн, ro/ws – кр/, sw/ro – h / кр, sw/bl of h / with, sw/ge – h/.

Fuel pump, injection system, control unit system of injection of Mono-Motronic

Colors of wires: br – to, gn/ge – з/, ws/gn – / з, ws/bl – / кр, ro – кр, br/gr – to / ср, sw/li of h/l, br/li – to/l, bl/br – сн / to, gn – з, br/ro – to / кр, bl/gn – with / з, gn/ro - / кр, gn/sw – з / h, gn/gr – z/sr, gn/bl – z/sn, sw/ws – b/w.

Lambda probe with heating, the electromagnetic valve of a tank with absorbent carbon, a regulator of provision of a butterfly valve

Colors of wires: br – to, br/ge – to/, bl/sw – сн / h, gn/sw – з / h, sw – h, gr/sw ср / h, ro/ge – кр/, gr/ws ср/, sw/ro – h / кр, ge – br/sw – to / h, sw/bl – h / сн, li/sw – l/h, li – l, ro/sw кр / h.

And – the storage battery
In – a starter
With – the three-phase generator of an alternating current
With 1 – a tension regulator
J81 – the relay of preliminary heating of a final collector ("hedgehog")
L51 – the heating resistor of heating of a final collector ("hedgehog")
T1 – one-contact shtekerny connection at a forward wall on the right
T 1p – one-contact shtekerny connection близи a final collector
T 1q – one-contact shtekerny connection at the left behind the dashboard
(6) – a flexible crossing point, the engine – the generator
(11) – a "weight" point at a nest of the storage battery
G 6 – the fuel pump
G 42 – the sensor of temperature of inlet air
G 62 – the sensor of temperature of cooling liquid
G 69 – a butterfly valve potentiometer
J 17 – the relay of the fuel pump
J 257 – the control unit system of injection of Mono-Motronic
L 30 – a vpryskny nozzle of the first cylinder
T 2x – 2-contact shtekerny connection of black color in an air-tight casing near a plate with the relay (shtekerny connection for diagnostic devices)
T 2y – 2-contact shtekerny connection of dark blue color near a plate with the relay (shtekerny connection for diagnostic devices)
T 2z – 2-contact shtekerny connection of white color near a plate with the relay (shtekerny connection for diagnostic devices)
T 4f – 4-fold shtekerny connection of brown color, at the left in a motor compartment
T 10 – ten-contact shtekerny connection of black color, shtekerny station in the additional block of the relay
(17-a "weight" point on an inlet collector
(50) – a "weight" point at the left in a luggage compartment
(83) – connection on "weight" (case) – 1 – in an electric chain ahead on the right
(D 8) – connection (a temperature sensor/potentiometer) in an electric chain ahead on the right
* – resistive conducting of 3 Ohm
K–the distributor of electrochains for the diagnostic tip (K-elektrotsepi)
L–the distributor of electrochains for the diagnostic tip (L-elektrotsepi)

 Note: distributors of electrochains are established on a plate frame from the relay (in a water-proof casing)

G 39 – a lambda probe
J 257 – the control unit system of injection of Mono-Motronic
L 80 – the electromagnetic valve of a tank 1 with absorbent carbon (pulse)
S 25 – a separate safety lock for heating a lambda probe (in an additional compartment for safety locks)
S 27 – a separate safety lock for injection system Mono-Motronic (engine management) and ignition coils (in an additional compartment for safety locks)
T 1a – one-contact shtekerny connection on the right in a motor compartment
T 2x – two-contact shtekerny connection of black color in a water-proof casing near a plate with the relay (the diagnostic tip)
T 5 – five-contact shtekerny connection of black color, a shtekerny block in the additional block of the relay
V 60 – a regulator of provision of a butterfly valve
Z 19 – heating a lambda probe
(17) – a "weight" point on a final collector
(83) – connection on "weight" (case) – 1 – in an electric chain ahead on the right
(84) – connection on "weight", the engine case, in an electric chain ahead on the right