Audi A4

since 1994 of release

Repair and car operation

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ ignition System
+ Lighting
+ Alarm equipment
- Tools and devices
   Check of control tools and bulbs
   The combined device
   Indicator of amount of fuel
   The indicator of temperature of cooling liquid
   Auxiliary devices
   Control bulbs above in the combined device
   Control bulb of cooling liquid
   Control bulb of level of brake liquid
   Control bulb of pressure of oil
   Control bulb of indexes of turns
   Control bulbs in devices of a round form (and nearby)
   Control bulb of indexes of turn on the trailer
   Control bulb of ASR
   Control bulb of the lock of ignition
   Control bulb of headlights of a driving beam
   Control bulb of a safety cushion
   Control bulb of ABS
   Control bulb of the parking brake
   Control bulb of a battery charging
   System of autocontrol of the car
   Ignition lock
   Check of switches
   Alarm buzzer of lighting
   Warmed back glass
   Check of screen wipers and stekloomyvatel
   Engine of screen wipers
   The help at malfunctions
   The liquid gulf for washing of glasses
   System of washing of headlights
   Mirror adjustment with the electric drive
   Central lock
   Window regulators with the electric drive
   Sliding/demountable roof with the electric drive
   Radio receiver
   The aerial on back glass
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Ignition lock

At the dismantled facing of a steering column both secret screws (1 and 2) which fix knot of the switch of the lock of ignition on the lock are visible. Figure «3» showed the socket connected to knot of the switch.

On the lock of ignition (2) the receiver (1) respondent of the lock of ignition which if necessary intensifies blocking of departure of the car takes place.

In this section we will consider electric knot of the lock of ignition. But the workshop should carry out repair of the zamkovy mechanism.

Dismantle of knot of the switch of the lock of ignition


  1. Dismantle facing of a steering column above and below how it is described in the section Switches.
  2. Remove a varnish on the press and weaken two small secret screws above and below on an arm of knot of the switch of the lock of ignition.
  3. Remove switch knot down.
  4. At installation of new knot of the switch track that the pin of management of the lock entered into dredging on switch knot.
  5. Screw up secret screws and fix them a varnish drop.

Breakage of the lock of ignition

This description will not make of you the car thief, and essentially will help to continue a trip at defect in the ignition lock. Despite it, the ignition key should be, at least because of presence of the respondent of blocking of departure of the car. Certainly, it also should turn in the lock in order that it was possible to remove wheel blocking. At defects in the lock of management you should not continue a trip, differently blocking of a wheel can work during movement.


  1. Dismantle a reception pocket at the left under a control panel (head Salon).
  2. Disconnect the mnogoshtyrkovy socket on the ignition lock. Sockets of wires which should become isolated накоротко, are naked now.
  3. Connect now, for example, a writing paper clip, contacts of one of two thick red wires to contact of a black wire. Thanks to it ignition joins.
  4. For start of the engine make to itself the isolated second crossing point of a wire which incorporates in the beginning to a red/black wire.
  5. The second crossing point put for an instant to already existing crossing point, and at once clean, as soon as the starter will get the engine.
  6. The second crossing point is better for cleaning absolutely, and the first it is good заизолировать in order that it could not touch the bared details. Powerful short circuit since red wires have no safety lock otherwise will turn out.
  7. To switch off the engine, clean a crossing point between a red and black wire.