Audi A3

Since 1997 of release

Repair and car operation



Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ 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 an 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)
   The relay
   Replacement of batteries of a key of remote control
   Replacement of the battery/lamp of a key with illumination
   Anticreeping blocking
   Illumination devices
   Replacement of lamps of external illumination
   Replacement of bulbs of internal illumination
   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 lantern
   Adjustment of light of headlights
   Devices
   Removal and control panel installation
   Removal and installation подрулевого the 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 special way prepared models
   Removal and installation of the electric motor of a forward screen wiper
   Removal and installation of the lever and the electric motor of a back screen wiper
   Removal and installation of a cleaner of back glass
   Removal and installation of the tank from the pump стеклоомывателя
   Elements темпостата
+ Electroschemes


https://www.youtube.com/channel/UCoah5uA-uF-j35-MalVTfRQ


Onboard electric equipment

THE GENERAL DATA

Specifications


The general parametres
ATTENTION

Separate characteristics are resulted also in the text of the Head and in case of compulsion of their performance are allocated by a bold type



Lamps накаливания 12 In


For possibility of replacement of a lamp at any time it is necessary to have always with itself in the car a box with the most important spare lamps.

Appointment: Type Capacity, Vt
Passing light Н7 55
Headlight (without antifog headlights) Н1 55
Headlight (with antifog headlights) Н4 55
Parking light forward Stekljanknyj socle 5
Turn signal forward (yellow lamps) Bayonet joint 21
The lateral repeater of turn Stekljanknyj socle 5
Back lantern Bayonet joint 10
Stoplight / a back dimension Bayonet joint 21/5
Signal of turn the back Bayonet joint 21
Back foggy lantern Bayonet joint 21
Backing lantern Bayonet joint 21
Licence plate illumination Spotlights 5
Additional stoplight (10 pieces) Stekljanknyj socle 2.3
Luggage carrier illumination (2 pieces) Stekljanknyj socle 5
Lamp of illumination of reading (2 pieces) Stekljanknyj socle 5
Illumination of salon the forward Spotlights 10
Illumination of salon the back Spotlights 10

Arrangement of the relay and safety locks

The arrangement of the relay and safety locks can differ depending on the equipment of the car and year of manufacturing.

Relays are located on a payment, behind the left cover around an arrangement of feet, under the panel of devices. Cars with great volume of the equipment behind a relay payment have a box of additional relays.

Relay payment - R - (relays are shown by dark colour)


№ the relay The consumer
I The relay of a sound signal of double tone
II The unloading relay of H-contact
III The relay of automatics of intervals of a screen wiper
IV The relay of the fuel pump or the relay of candles накаливания
V The relay of system of injection of the diesel engine
VI The relay of antifog headlights
A Safety lock of electric heating of a seat
B Freely
C Safety lock electric window lifterа

Box of additional relays - Z13 - over a relay payment

1 The relay of a sound signal
2 The relay of the control device of lamps the back
3 The relay of the control device of lamps the back
4 Monitor of cover of a mirror
5 Monitor of cover of a mirror
6 The dividing relay of phone
7 Freely
8 Freely
9 Freely
10 Freely
11 The relay of blocking of a starter and backing lantern
12 The relay фароочистителя
13 The relay of a free wheeling of the fan of a radiator (conditioner)

The main block of safety locks

Arrangement of safety locks of the main block of safety locks

1 S131 Heating of candles накаливания (the diesel engine)
2 S132 an engine Control system
3 S133 the Fan of a cooling liquid 2
4 S134 Salon
5 S138 the Generator
1а S162 ABS (hydropump)
2а S163 ABS (valves)
3а S164 the Fan of a cooling liquid

Colour marks of safety locks

Current, And Colour of a safety lock
5 The beige
7.5 The brown
10 The red
15 Dark blue
20 The yellow
25 The white
30 The green

Arrangement of safety locks in a box


The arrangement of safety locks depends on the equipment of the car and year of its release. The arrangement of safety locks is resulted on a cover of the block of safety locks.

Current, And Safety lock
1 10 Heating snuffled стеклоомывателя, heating of a mirror of an exterior
2 10 Indexes of turns
3 5 Illumination of a ware box
4 5 Licence plate illumination
5 7.5 Comfort electric equipment, adjustment of speed, heating of seats, the conditioner
6 5 The uniform lock
7 10 Backing lanterns
8 5 Phone/telematics
9 5 Monitor ABS
10 10 Engine management: the petrol engine
11 5 The block of the panel of devices, electromagnet of blocking of the selector for АТ
12 7.5 Self-diagnostics power supplies, phone, navigating system
13 10 Stoplights
14 10 Salon illumination, the uniform lock
  5 The salon fixture
15 5 The block of the panel of devices, АТ, automatically blacked out internal mirror
16 10 Electromagnetic муфта, выбег the fan of cooling of a radiator, стеклоомыватель
17 7.5 Warmed door-lock
18 10 Headlight right
19 10 Headlight left
20 10 Passing light right, adjustment of range of light
21 10 Passing light left
22 5 Dimensional and lay fire right
23 5 Dimensional and lay fire left
24 20 Screen wiper, the water pump
25 25 The fan of fresh air, circulating ventilation, the conditioner
26 20 Heating of back glass, mirror heating
27 10 Cleaner of back glass
28 15 The fuel pump
29 15 Engine management: the petrol engine
 10 Engine management: the diesel engine
30 20 The sdvizhnaja panel of a roof
31 20 Automatic transmission
32 10 Engine management: the petrol engine
30  Engine management: the diesel engine
33 20 Фароочиститель
34 10 Engine management
35 30 The trailer socket (positive long plus)
36 15 Antifog headlight and foggy lantern
37 10 S-contact, the plug 86 (radio)
38 15 Luggage carrier illumination, the uniform lock, window raiser
39 15 The alarm system
40 20 Sound signal
41 15 Cigar Lighter
42 25 Radio receiver
43 10 Engine management
44 15 Seat heating

ATTENTION

Safety locks in a box of safety locks are designated from a place 23 on the scheme of an arrangement by number 223, a safety lock 24 number 224 etc.



Other safety locks, and also relay arrangement are resulted in Section „Electric schemes“.

Efforts of a tightening of carving connections

The moments of an inhaling of fixture are resulted also in the text of the Head and on some иллюстрациях*.

*Выделенные in the text a bold type the inhaling moments are subject to exact observance; the efforts not allocated with a bold type are resulted only roughly

Cars of the given mark are equipped 12 In system of an electric equipment 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.

The given Chapter is devoted the description of procedures of service and repair of some components of system of an onboard electric equipment which number all lighting devices and the electric accessories not connected directly with the engine concern except concrete considered more low also. Besides, procedures of diagnostics of malfunctions of an electric equipment of the general order are considered.
ATTENTION

At performance of any works on repair and service of components of system of an electric equipment it is necessary to disconnect preliminary without fail a negative wire from the battery in order to avoid electrotrauma and-or ignition reception.


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