Audi A4, S4

since 2000 of release

Repair and car operation



Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
+ Engine
+ Systems of cooling, 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 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 filament 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 podrulevy 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 radio receiver installation / navigation device/CD-чейнджера
   Removal and installation of loudspeakers
   Removal and installation of aerials
   Removal and installation of the tank of liquid стеклоомывателя / pump electric motor
   Removal and installation of the electric motor of a cleaner of a windscreen
   Removal and electric motor installation on back glass (Versatile person)
   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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Onboard electric equipment

General information

Cars of this brand are equipped 12 In electric equipment system with grounding on a negative pole. A food of all lighting devices and electric units is carried out from the battery of lead-acid type recharged from the generator of an alternating current.

This Head is devoted to the description of procedures of service and repair of some a component of system of onboard electric equipment to which number all lighting devices and the electric accessories not connected directly with the engine belong except concrete considered below also. Besides, procedures of diagnostics of malfunctions of electric equipment of the general order are considered. Information on the battery, the generator and a starter is provided in the Head of System of electric equipment of the engine.

At performance of any works on repair and service a component of system of electric equipment it is necessary to disconnect previously without fail a weight cable from the battery in order to avoid receiving an electrotrauma and/or ignition.