Audi A3

since 1997 of release

Repair and car operation

Audi A3
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ the Power supply system and production of the fulfilled gases
+ engine Electric equipment
+ Manual box of gear shifting
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Electric equipment of system of comfort
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of warmed back glass
   Stoplight check
   Removal, installation and check of a sound signal
   Safety locks
   Fusible inserts - the general information
   Chain breakers (thermal relays)
   Replacement of batteries of a key of remote control
   Replacement of a battery/lamp of a natural with illumination
   Anticreeping blocking
   Lighting devices
   Replacement of lamps of external lighting
   Replacement of bulbs of internal lighting
   Removal and headlight installation
   Removal and installation of the electric motor of adjustment of range of light
   Removal and installation of the forward index of turn
   Removal and installation of a back lamp
   Adjustment of light of headlights
   Removal and installation of a control panel
   Removal and installation of the podrulevy switch
   Removal and installation of switches and lamps
   Removal, installation and radio receiver coding
   Input of a code of a radio receiver
   Removal and loudspeaker installation
   Removal and installation of the aerial of a roof
   Additional installation of a radio telephone on in a special way prepared models
   Removal and installation of the electric motor of a forward screen wiper
   Removal and installation of the lever and electric motor of a back screen wiper
   Removal and installation of a cleaner of back glass
   Removal and tank installation with the pump of a stekloomyvatel
   Elements темпостата
+ Elektroskhema


Safety locks


Protection of electric contours of the car is provided with application of a combination of safety locks, breakers of a chain and fusible inserts. The burned-down safety lock is easy for distinguishing from serviceable by survey of its transparent plastic case.

Attentively examine a safety lock about identification of its peregoraniye. If the safety lock outwardly looks normally, but suspicions on its malfunction remained, make conductivity check between the knife plugs acting from its case.


1. Before safety lock replacement surely switch off the corresponding consumer and ignition.
2. Safety locks are in the block of safety locks from the left face side of the dashboard behind a cover.
3. Open a cover for what insert a screw-driver with a flat working part from below into a gap (the shooter on an illustration) and wring out a cover.
4. The plan of placement of safety locks is on inside of a cover of the block of safety locks.
5. Additional safety locks are on the relay panel, and also on the additional carrier of the relay behind the panel of the relay and in the holder of the storage battery.
6. At cars with the diesel engine the safety lock for preliminary heating is in a box of safety locks on the storage battery.
7. A sign of the burned-down safety lock is the melted metal strip.
8. Remove from the interior of a cover plastic clips and take out the failed safety lock.
9. Insert a new safety lock on the same current. The nominal current of a safety lock is specified on a reverse side of the handle. Besides, the handle of a safety lock has color marking by which it is also possible to determine a nominal current.
10. Again establish into place a cover of the block of safety locks.
11. If after a while the new safety lock again fuses, it is necessary to check the corresponding electric chain.
12. At all do not replace a safety lock with a wire or a similar material as it can lead to serious damages of electric equipment.
13. It is recommended to have always in the car spare safety locks.