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
+ Lighting
+ Signalling devices
- Devices and auxiliary devices
   Check of indicators and signaling devices
   Elements of a combination of devices
   Indicator of amount of fuel
   Indicator of temperature of cooling liquid
   Voltage stabilizer
   Additional devices
   The top indicators in a combination of devices
   Indicator of cooling liquid
   Indicator of brake system
   Oil pressure indicator
   Indicators of indexes of turns
   Lower indicators
   Battery charge indicator
   Indicator of indexes of turn of the trailer
   Safety cushion indicator
   Indicator of anti-blocking system
   Indicator of a driving beam
   Indicator of the parking brake
   System of self-examination
   Ignition lock
   Check of switches
   Buzzer of shutdown of lighting and radio
   Heating of back glass
   Check of screen wipers and windscreen washers
   Screen wiper engine
   List of malfunctions
   Screen wiper of back glass
   List of malfunctions
   Replenishment of a washer reservoir of glasses
   System of washing of headlights
   Audio system
   Antenna of back glass
   Electric regulation of external rear-view mirrors
   System of locks with the central management
   Power windows
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

Power windows

The operating procedure of window regulators in Audi 80 is defined not only switches, but also the control unit of window regulators located in the additional block of the relay.


  1. At the working engine glass of a driver's door moves up or down to an emphasis after short pressing the switch. However it is possible to stop glass short pressing the switch in the direction of the movement up. This function of comfortable switching is necessary in the cars released till October of 92 g.
  2. At the idle engine or on cars of later releases glass of a driver's door moves only when the window regulator switch is pressed. Thus it is unimportant, glass rises or falls, the door is open or closed.
  3. Only by pressing the switch also other glasses in the car move. It is possible to block glasses of back doors from the central switch in an armrest of a driver's door.
  4. If the driver's door was open and is again closed at the idle engine, the system of window regulators is disconnected (anticreeping protection).


Motors of power windows are removed in the same way, as well as mechanical elevators, see the description in the head "Body elements". Repair of an electric motor is not provided.


  1. If any glass does not move, it is necessary to check a safety lock below in the additional block of the relay (the head the Body electrical system). As it is about an automatic safety lock, food has to be restored later short time.
  2. If only one window regulator does not work, you need to remove the corresponding switch and to check it according to the scheme described in this chapter.
  3. If the switch is serviceable, it is necessary to remove a covering of the corresponding door.
  4. To separate tips of wires of the motor of a window regulator and to check by means of a control lamp, whether tension at inclusion of a window regulator arrives.
  5. If still it was not succeeded to find any defect, so the window regulator electric motor is faulty.
  6. If to an electric motor food does not arrive, it is necessary to check conducting and the control unit.
  7. The bad course of one of glasses can be caused by jamming in directing.

Elimination of malfunction in way

Even if window regulators of your car refused, it all the same yet not an occasion to go to a wind and a storm with open glasses.


  1. If the switch is faulty, try to close a window from other switch.
  2. If it is impossible (for example if the driver's door is mentioned), remove the plug of other glass or throw wires on other, serviceable switch.
  3. By means of this serviceable switch you can close glass.
  4. If the wire to an electric motor is interrupted, disconnect the plug, lay an auxiliary wire from a positive conclusion of the accumulator and the second wire from "weight" to the electric motor and lift glass.
  5. If the motor of a window regulator is faulty, you can at the removed door covering, to remove glass from a window regulator. For this purpose it is necessary to wring out a safety lock ring on a reverse side of a window regulator the fixing glass to a window regulator (to use thus a mirror). Now push glass up and record in this situation by the gluing tape or a wooden wedge.