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
- System of ignition
   Various systems of ignition
   Principle of work of ignition
   Executive body
   System "brain"
   Impulses for the control unit
   Regulation on a detonation
   Security measures during the work with system of ignition
   Repair of system of ignition
   Diagnostics of system of ignition
   Ignition distributor
   Sensor of detonation combustion
   Elements of high voltage
   Replacement of spark plugs
   Spark plugs
   Check of the moment of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





Repair of system of ignition

"Shutdown" of system of ignition

The control unit or the electronic switchboard of the coil of ignition will be surely damaged if at the removed high-voltage cable to turn the engine a starter. Therefore:

  • Models with 4-and 5-cylinder engines: at the switched-off ignition to separate the plug of the electronic switchboard (near the ignition coil).
  • Models with the 6-cylinder engine: at the switched-off ignition to separate both plugs of the electronic switchboard (on a back wall of a motor compartment).








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