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
+ ignition System
+ Lighting
- Signaling devices
   Verification of indexes of turn and alarm light system
   Stoplight check
   Stoplight switch
   List of malfunctions
   Check of a sound signal
   Short-term signal driving beam
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

Verification of indexes of turn and alarm light system

Continuous check

The alarm light system should be constantly ready to work, therefore its switch запитан through a safety lock directly from a positive pole of the battery. Turn indexes, on the contrary, receive a food from the plug 15 only at the included ignition.


  1. Press at the switched-off ignition the switch of the alarm system on the dashboard.
  2. All four indexes of turn, control bulb in the emergency signal switch and both indicators of indexes of turn should start to blink in an identical rhythm.
  3. To switch off the light alarm system, to include ignition.
  4. By pressing the lever of indexes of turn one party of light indexes of turn and the green indicator of the turn corresponding to the chosen direction should blink regularly.

Malfunctions of indexes of turn

  • If at the included indexes of turn the green indicator blinks in the accelerated rhythm, means, one of filament lamps fused. At refusal of one of lamps of the alarm system it does not affect in any way a blinking rhythm. Replacement of lamps is described in head Lighting.
  • If at inclusion of indexes of turn or the light alarm system indicators burn constantly, means, the relay of indexes of turn, see the following text is faulty.
  • If indexes of turn blink that slowly, quickly, and all shtekerny connections, including a wire on "weight", as it should be, means, it is necessary to replace the relay.
  • If only the alarm light system, but not indexes of turn or on the contrary works, means, through the corresponding safety lock a food (see tables in head Body electrosystem) does not arrive or the corresponding switch (removal see head Devices and auxiliary devices) is faulty.

Removal of the breaker of indexes of turn

The relay of indexes of turn in the Audi 80 car is not in the central switchboard, and is attached by a bracket at the left in the bottom of the dashboard. Reason: so the characteristic sound of interruption is better audible. Removal below is described.


  1. To remove a shelf at the left below under the dashboard.
  2. To bring a hand under edge of the dashboard, to grope and pull out the relay with the connected wires
  3. To disconnect the multicontact tip.

Removal of the relay of indexes of turn

The relay of indexes of turn (2) is attached by a bracket (1) at the left below under the dashboard.

Movement with the faulty index of turn is not such safe as in a dense stream of cars, and first of all in the dark, your intention will turn not absolutely clear for other participants of traffic. In this case:


  1. To remove the relay of indexes of turn (see the previous section) and to disconnect the tip.
  2. To establish between plugs 49 and 49а a crossing point.
  3. For this purpose to twist with a writing paper clip or a short wire the called shtekerny uvulas on the relay and again to insert it.
  4. At the pressed lever of the index of turns of a lamp now will constantly burn.
  5. Switching on and off them the lever, you can achieve a rhythmical blinking.