Audi A4

since 1994 release

Repair and operation of the car



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
- Tools and devices
   Check of control tools and bulbs
   The combined device
   Speedometer
   Tachometer
   Hours
   Indicator of amount of fuel
   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 fluid
   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
   Switches
   Ignition lock
   Check of switches
   Alarm buzzer of lighting
   Lighter
   The warmed back glass
   Check of screen wipers and windscreen washers
   Engine of screen wipers
   The help at malfunctions
   The gulf of liquid for washing of glasses
   System of washing of headlights
   Adjustment of a mirror with the electric drive
   Central lock
   Window regulators with the electric drive
   Sliding/removable roof with the electric drive
   Radio receiver
   The antenna on back glass
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





Switches

Dismantle of the lever switch, 1st stage: after weakening of two screws with crosswise heads (2 and 3) the top facing of a steering column (1) is removed.


Dismantle of the lever switch, 2nd stage: weaken screws with crosswise heads (3, 4, 5) and the TORX (1) screw to dismantle the lower facing of a steering column. 2 – opening of one of fixing screws of the top facing.


Dismantle of the lever switch, 3rd stage: after weakening of a bolt of TORX (1) it is possible to remove an element (2) of the lever switch back.


Dismantle of the lever switch, 4th stage: the switch (1) lights/indexes of turns can be disconnected from the switch of screen wipers (2) after weakening of the screw shown by an arrow.


Dismantle of the keyboard switch, 1st stage: wring out the press button (2) a thin screw-driver (arrow). Protect a control panel a strip of an adhesive tape (1).


Dismantle of the keyboard switch, 2nd stage: put flat-nose pliers on edge of the switch, take out the switch. Press switches are fixed by spring clips (1 and 2).


The dismantled decorative panel of the door handle (5) with switches: 1, 2 and 4 – switches of window regulators with the electric drive; 3 – the blocking switch. Shooters – the fixing clips of the switch which are taking out from grooves a screw-driver.


On the forward end of the decorative panel of the door handle (1) the switch (2) adjustments of a mirror with the electric drive settles down. From the forward party it is taken out from grooves by a screw-driver, behind it is necessary to deblock two latches (3).

Lever switches

Lever switches under a steering wheel are removed after is weakened

 PERFORMANCE ORDER

  1. Dismantle a steering wheel (the head Podvesk of wheels and a steering).
  2. Dismantle the top facing of a steering column; for this purpose unscrew from below two screws with crosswise heads and remove a facing detail above.
  3. Dismantle the lower facing of a steering column; for this purpose near a steering column unscrew three other screws with crosswise heads and from below weaken TORX bolt.
  4. Open a clamp of a steering column, cast away facing down. Or completely to remove facing, unscrew the handle of a clamp of a steering column.
  5. Above behind on cases of switches weaken TORX bolt a little, but do not unscrew it completely.
  6. Take out an element of the lever switch.
  7. Remove all switches.
  8. If it is necessary to replace one switch, weaken the screw with a crosswise head and disconnect one switch.

Keyboard switches

Keyboard switches and handles of control with similar cases are in Audi under average nozzles of an air outlet in a control panel. Dismantle:

 PERFORMANCE ORDER

  1. Method 1: wring out the switch button a thin screw-driver from the switch. Protect a control panel a strip of an adhesive tape.
  2. Put flat-nose pliers on edge of the switch and take out the switch.
  3. Disconnect the mnogoshtyrkovy socket.
  4. Method 2: wring out a blind cap a screw-driver to get access from below to the nearby switch.
  5. Squeeze out the switch from an assembly opening from below.
  6. Disconnect the mnogoshtyrkovy switch.

Lighting of switches

Bulbs for lighting of switches and symbols cannot be replaced separately; all switch has to be replaced.

Switches of window regulators and adjustment of mirrors

In the decorative panel of the left handle of a door switches of window regulators with the electric drive and adjustments of mirrors are placed. In other door handles there are only separate switches. Dismantle at the driver's doors:

 PERFORMANCE ORDER

  1. Dismantle a door upholstery (the head Detali of a body). Remove a sound-proof film.
  2. Switch of window regulators: insert a narrow screw-driver or a blunt knife behind between the block of switches and a frame.
  3. Fixing clips on cases of switches are in such a way taken out from grooves.
  4. Take out the switch block.
  5. The blocking switch of back window regulators is taken out from grooves in the same way. Both fixing clips are on the narrow parties of the switch.
  6. Switch of adjustment of a mirror: dismantle same as at the switch of window regulators, but it is necessary to deblock two latches in addition.