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

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Elements темпостата


Scheme of connection of components темпостата

1–Gas pedal
2–Element of management of a throttle
3–The t-shaped
4–Management module темпостата (J213)
5–Assembly block of the relay
6–Burn down electroconductings
7–Switch of management of functioning темпостата (Е45)
8–Vacuum pump темпостата (V18)
9–Vacuum hose
10-Sensor switch of the vacuum ventilating valve of coupling (F36)
With – the sensor switch of provision of a pedal of coupling
Only models with RKPP
11-Sensor switch of the vacuum valve of ventilation of brakes (F47)

Address to an illustration and the schematic diagram of electric equipment темпостата.

Given below the scheme of electric connections are made by a schematic principle when components of each contour communicate among themselves on the shortest way without a form of laying of electroconducting round located on a way of its following of components and plaits.

On Audi A3 cars the single-wire scheme of turning on of devices of electric equipment is applied. With plus of power supplies consumers incorporate a wire, and to a minus – through a body of the car or on weight. Such method allows to reduce number of wires and to simplify their installation. Connection with mass of a minus of power supplies reduces electrochemical corrosion of metal details of a body. In certain cases it is not enough direct connection of the electric consumer with weight, and the consumer incorporates to weight an additional wire of usually brown color.

The supply voltage is brought to the majority of consumers via the ignition switch. Power-supply circuits of those knots of the electric equipment which work can be demanded in any circumstances, are always connected to the storage battery, irrespective of the provision of a key in the ignition lock.

For connection of wires electric sockets with flat contacts are used.

For a normal food of consumers the electric chain should be closed, otherwise at it there will be an electric current, for example, if to the electric motor of a screen wiper positive tension moves, it will not work until its electric chain will not be connected to weight. In an electric chain switches, the relay, safety locks, measuring devices, electric motors and other consumers of the electric power can be connected. For the correct connection of consumers of the electric power contacts of electric sockets have the corresponding markings. Connection with mass of the car is carried out or is direct via the case of the consumer of the electric power or an additional wire.

Contact 30

On this contact always there is a positive tension of the accumulator. The wires connected to this contact, have red or red color with a strip.

Contact 31

Contact incorporates to mass of the car a wire of brown color.

Contact 15

On this contact positive tension after ignition inclusion moves. The wires connected to this contact, have green or green color with a strip.

Contact X

On contact tension after ignition inclusion moves, however at starter inclusion tension is disconnected. It gives the chance to disconnect at start of the engine consumers of the electric power unnecessary at this moment. Headlights of a driving beam receive a food also from this contact therefore at the included driving beam and switching off of ignition there is an automatic switching on marker lights.

Colors of wires are designated by Latin letters.

If in designation of color of a wire there are some letters divided by a sign/, the left group of letters indicates primary color of a wire, and right – on color of a strip.

The dark blue
The brown
The cream
The yellow
The green
The gray
The blue
The salad
The lilac
The transparent
The orange
The claret
ro, rt
The red
The pink
The black
The violet
The white

On the scheme all consumers of a current and switches are represented in neutral situation.