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)
      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 (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





System of ignition

Colors of wires: br/ro – to / кр, ro/sw – кр / h, gl/ws – з/, br/ws – to/, gl – з, sw/bl – h / сн, sw – h.

(50) – point of "weight", luggage compartment at the left
(84) – connection on "weight" (case), the engine case, in an electrochain in front on the right
G40 – Hall's sensor
J154 – the control unit of electronic system of ignition with regulation on a detonation (in salon on the right below)
L152 – the transformer of high voltage with the electronic switchboard
O – ignition distributor

P – tips of wires of spark plugs
Q – spark plugs
(S27) – a safety lock in a compartment of additional safety locks (engine management of I – for electronic system of ignition)
(S28) – a safety lock in a compartment of additional safety locks (engine management of II – for a lambda regulation)
(17) – a point of "weight", on an inlet collector








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