Audi 80/Avant (B4)

Audi 80/Avant
The description
System of release of the fulfilled gases
Cooling system
Fuel tank and the fuel pump
The air filter and intake channels
Injection system
Transmission and transmission
Suspension bracket and steering
Brake system
Antiblocking system of brakes
Wheels and tyres
body electrosystem
Ignition system
Signalling devices
Devices and auxiliary devices
Heating and ventilation
Body elements
- Search of malfunctions
   Sequence of search of malfunctions
   Visual check
   Cause of a failure — electrosystem
   Cause of a failure — ignition system
   Cause of a failure — system of giving of fuel

Cause of a failure — electrosystem

  • Indicators on the instrument panel do not burn or do not blink at the included ignition: a full discharge of the storage battery or the departed plugs of the accumulator.
  • Indicators die away at starter inclusion: the storage battery was considerably discharged or it has already developed a resource or in a starter межвитковое short circuit.
  • Light of indicators becomes more dim at key turn; the starter is not turned: the involving relay клинит or it is faulty; probably, the starter is faulty.
  • At turn of a key indicators burn or blink normally; the starter is not turned: defect of contact of the plug 50 in the ignition lock, weak contact in conducting to the plug 50 on the involving relay, or the involving relay is faulty.