Audi A4, S4

since 2000 release

Repair and operation of the car



Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Rassoyedineniye of sockets
   Check of the electric motor of a screen wiper
   Check of the warmed back glass
   Check of stoplights
   Removal and installation of a sound signal
   Removal and installation of sensors of a parking
   Replacement of the battery of a remote control of the ignition key
   Relay and safety locks
   Replacement of glow lamps of devices of external lighting
   Removal and installation of headlights
   Removal and installation of the lateral repeater of turns
   Removal and installation of an additional stoplight
   Removal and installation of a back lamp
   Removal and installation of a lamp of illumination of registration plate
   Removal and installation of plafonds of internal lighting
   Removal and installation of a control panel
   Removal and installation of the understeering switch
   Removal and installation of switches of a forward door
   Removal and installation of the switch of light
   Removal and installation of the switch of a window regulator in a back door
   Removal and installation of the switch of a trunk lid
   Removal and installation of the switch of the parking brake
   Removal and installation of the switch of illumination of a ware box
   Removal and installation of switches of the central console
   Removal and installation of the radio receiver / navigation device / CD changer
   Removal and installation of loudspeakers
   Removal and installation of antennas
   Removal and installation of the tank of liquid of the windscreen washer/electric motor of the pump
   Removal and installation of the electric motor of screenwash
   Removal and installation of the electric motor on back glass (Station wagon)
   The uniform lock - the general information
   Removal and installation of a locking element of a cover of a fuel tank
   Digital tire of data of CAN
   + Schematic diagrams of electric equipment




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Check of the electric motor of a screen wiper

The electric motor of a screen wiper is in a water-collecting compartment under a windshield. For check it is necessary to remove the corresponding cover.

Designation of plugs

On the electric motor there are following plugs:

  • The plug 31 is accession of weight (the general for all electric equipment of the car).
  • The plug 53 receives tension for the first speed of a screen wiper.
  • The plug 53a feeds with current (+) the extreme provision of a screen wiper. The electric motor receives tension through a brush until the cleaner does not return to a starting position when the driver switches off a screen wiper.
  • The plug 53b gives tension for the second speed of a screen wiper (an auxiliary winding).
  • Via the plug 53e the electric motor is stopped at return after shutdown that the screen wiper did not pass through the provision of a parking.
  • Are available not always: the plug 53 with gives food to the windscreen washer pump.

Check

At first it is necessary to find out that has defect, the electric motor or there is no food. Thus it is necessary to work as follows:

 PERFORMANCE ORDER

  1. Rasstykuyte the multicontact socket at the electric motor.
  2. Bring 2 auxiliary cables (+) and (-) from the car battery to the screen wiper electric motor:
    • Carry out one cable from the positive plug of the battery to the plug 53 or 53b.
    • Bring the second cable from the negative plug of the battery to the plug of 31 electric motors.
  3. Now the electric motor has to turn on depending on the used plug on I or II steps. If it does not occur, the electric motor or the corresponding step have defect. Remove the electric motor.











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