BMW 3 series E46

Since 1998 of release

Repair and car operation



The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ Manual transmission and transmission a line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   + Дигностика electric elements
   + Illumination and the alarm system
   + Devices and the equipment
+ Electric equipment schemes



Onboard electric equipment

Specifications

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


Arrangement of electronic blocks of management of car systems on a body

 

 

 


Lamps накаливания 12 In

Type

Capacity, Vt

Passing light

Н7

55

Headlight

Н1

55

Signals of turn lobbies

Р

21
Parking light forward
W
5
Antifog headlight a lobby
НВ4
55
The lateral repeater of turn
W
5
Signal of turn the back
P
21
Stop-signal a lantern
Р
21/4
Backing lantern
Р
21
Back foggy lantern
Р
21
Licence plate illumination
С11
5
Additional stoplight
Light-emitting diode рейка1)
Internal illumination
Spotlights
5
Lamp of illumination of reading
XE
6
Illumination of area of feet, pocket
Spotlights
5
Illumination of a luggage carrier / of an impellent compartment
Spotlights
10
Illumination of a cosmetic mirror
Spotlights
10
1) At failure of one light-emitting diode all stoplight is subject to replacement.

Boxes of the relay and safety locks

 

Depends on the equipment of the car and year of its release. The scheme of an arrangement of safety locks is in a ware box under a payment of safety locks.

.


Arrangement of safety locks

 


Arrangement of a box of the relay behind a ware box


1 — the relay of the fuel pump;
2 — the relay of the fan of a heater

3 — the relay of antifog headlights
4 — the relay of sound signals


Relay box in an impellent compartment. The model 320d with the removed cover is shown

1 — the main relay DDE (320d)
The relay of coils of ignition, the plug 15 (320i, 323i, 328i).
2 — a monitor of preliminary heat (320d)
The main relay DDE (all petrol engines)

3 — the screen wiper relay


Colour marks of safety locks

Current, And

Colour marks

5

Light brown

7.5

The brown

10

The red

15 Dark blue
20 The yellow
30 The green

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.

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.