Audi A3

since 1997 of release

Repair and car operation

Onboard electric equipment

GENERAL INFORMATION

Specifications

General parameters

ATTENTION

Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print

Filament lamps 12 B

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, W
Passing beam	Н7	55
Driving beam (without fog lights)	Н1	55
Driving beam (with fog lights)	Н4	55
Parking light forward	Steklyankny socle	5
Turn signal forward (yellow lamps)	Bayonet joint	21
Lateral repeater of turn	Steklyankny socle	5
Back lamp	Bayonet joint	10
Stoplight / back dimension	Bayonet joint	21/5
Turn signal the back	Bayonet joint	21
Back foggy lamp	Bayonet joint	21
Backing lamp	Bayonet joint	21
Illumination of registration plate	Spotlights	5
Additional stoplight (10 pieces)	Steklyankny socle	2.3
Illumination of a luggage carrier (2 pieces)	Steklyankny socle	5
Lamp of illumination of reading (2 pieces)	Steklyankny 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 dashboard. Cars with large volume of the equipment behind a payment of the relay have a box of additional relays.

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

relay No.	Consumer
I	relay of a sound signal of double tone
II	unloading relay of H-contact
III	relay of automatic equipment of intervals of a screen wiper
IV	relay of the fuel pump or relay of candles of an incandescence
V	relay of system of injection of the diesel engine
VI	relay of fog lights
A	safety lock of electric heating of a seat
B	freely
C	safety lock of an electric window regulator

Box of additional relays - Z13-over a relay payment

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

Main block of safety locks

Arrangement of safety locks of the main block of safety locks

1 S131 Having warmed up incandescence candles (the diesel engine)
2 S132 engine Control system
3 S133 the Fan of cooling liquid 2
4 S134 Salon

5 S138 Generator
1а S162 ABS (hydropump)
2а S163 ABS (valves)
3а S164 the Fan of cooling liquid

Color marking of safety locks

Current, And	Color of a safety lock
5	The beige
7.5	The brown
10	The red
15	The 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 given in a cover of the block of safety locks.

№	Current, And	Safety lock
1	10	Heating snuffled a stekloomyvatel, heating of a mirror of an exterior
2	10	Indexes of turns
3	5	Illumination of a ware box
4	5	Illumination of registration plate
5	7.5	Comfort electric equipment, adjustment of speed, heating of seats, conditioner
6	5	Uniform lock
7	10	Backing lamps
8	5	Phone/telematics
9	5	ABS monitor
10	10	Engine management: petrol engine
11	5	The dashboard block, electromagnet of blocking of the selector for AT
12	7.5	Self-diagnostics power supply, phone, navigation system
13	10	Stoplights
14	10	Illumination of salon, uniform lock
	5	Salon lamp
15	5	The block of the dashboard, AT, automatically blacked out internal mirror
16	10	Electromagnetic coupling, выбег fan of cooling of a radiator, stekloomyvatel
17	7.5	The warmed door lock
18	10	Driving beam right
19	10	Driving beam left
20	10	Passing beam right, adjustment of range of light
21	10	Passing beam left
22	5	Marker and lay light right
23	5	Marker and lay light left
24	20	Screen wiper, water pump
25	25	Fan of fresh air, circulating ventilation, conditioner
26	20	Heating of back glass, mirror heating
27	10	Cleaner of back glass
28	15	Fuel pump
29	15	Engine management: petrol engine
	10	Engine management: diesel engine
30	20	Movable panel of a roof
31	20	Automatic transmission
32	10	Engine management: petrol engine
30		Engine management: diesel engine
33	20	Faroochistitel
34	10	Engine management
35	30	Trailer socket (positive long plus)
36	15	Fog light and foggy lamp
37	10	S-contact, plug 86 (radio)
38	15	Illumination of a luggage carrier, uniform lock, window regulators
39	15	Alarm system
40	20	Sound signal
41	15	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 arrangement number 223 scheme, a safety lock by the 24th number 224 etc.

Other safety locks, and also arrangement of the relay are given in the Section "Electric circuits".

Efforts of a tightening of carving connections

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

*vydelenny in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly

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 components 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.

ATTENTION

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