Onboard electric network. Nissan Almera (from 1995 to 1999 release)
Service of Nissan Almera from 1995 to 2000 in N15 body
1. General information
2. General requirements to car repairs
3. Operation and maintenance of the car
4. Petrol engines
5. Diesel engines
6. Transmission
7. Running gear
8. Steering
9. Brake system
10. Electric equipment
10.1. Rechargeable battery
10.2. Generator
10.3. Starter
10.4. Removal and installation of a combination of devices
10.5. Devices of lighting and light alarm system
10.6. Cleaners of glasses
10.7. Onboard electric network
11. Body
12. Appendices
13. Schemes of electric equipment
 









10-7-bortovaya-ehlektricheskaya-set.html

10.7. Onboard electric network

Sources and the consumers of electric energy established on the car connect among themselves onboard electric network. Basic elements of electric network are connecting wires, means of protection of chains from overloads and short circuits, means of switching (switches and switches) both various connecting and distributing devices.
The design and functions of a part of elements of electric network of the car are considered above at the description of concrete products and systems. In this section missing information is provided.


Fig. 8.17. An arrangement and numbering of safety locks in the assembly block in interior of the car


For protection of knots of electric equipment and an electrical wiring against overloads and short circuits the fuses of plug type installed in assembly blocks are used. The block located in interior of the car under facing of the left part of the dashboard (fig. 8.17) includes the safety locks listed in tab. 8.7.

Table 8.7  of the Chain, protected by the safety locks established in salon
safety lock No.
Current, And
The protected chain
1
15
System of ventilation and heating. Climatic installation
2
15
The same
3
20
Heater of back glass
4
15
Fog lights
5
-
Reserve
6
7,5
Chain of management of climatic installation
7
7,5
Sound signaling device of not switched off external lighting and existence of a key in the ignition lock (the switch of devices and a starter). Immobilizer. Chain of management of the relay of inclusion of a window regulator and electric drives of the hatch of a roof. Diagnostics socket
8
10
The relay of management before - and poststarting podogrevom1. Control unit of the automatic transmission. Backing light lamps. Immobilizer signaling device. Combination of devices
9
10
Chain of management of the relay of a screen wiper and washer of back glass
10
15
Autoradio tape recorder
11
7,5
Indexes of turns (in the mode of indexes of turns)
12
7,5
ABS electronic control unit
13
15
Lighter
14
10
Stoplight lamps in ABS
15
10
Indexes of turns (in the mode of the alarm system)
16
10
Element of heating of the sensor of content of oxygen in the fulfilled gases
17
15
Fuel electric pump
18
10
Chain of management of heating of front seats
19
20
Electric motor of a cleaner of front seats
20
7,5
Plafond of salon. Lighting lamp of the luggage compartment
21
3
Safety cushion of the driver
22
10
Safety cushion of the driver and forward passenger
23
10
Electric motors of adjustment of provision of external rear-view mirrors
24
7,5
Autoradio tape recorder. Immobilizer. Electric motors of adjustment of headlights
25
10
Additional electric fan of the cooling system dvigatelya2. The electromagnetic valve of system of recirculation of the fulfilled gases. Idling regulator
26
7,5
Chain of control of the electromagnetic valve of adjustment of a corner of an advancing of giving topliva1. Blocking relay startera3
27
-
Reserve
28
-
The same
29
15
Electric motor of washers of headlights
1 On cars with the diesel engine.
2 On cars with climatic installation.
3 On cars with the automatic transmission.

Fig. 8.18. An arrangement and numbering of safety locks in the assembly block of a motor compartment


Fig. 8.19. A relay arrangement in the assembly block of interior of the car: 1 — the relay of the hatch of a roof or window regulators; 2 — the main relay of the service equipment; 3 — the additional relay of the service equipment;
4 — the relay of turning on of the electric fan; 5 — the relay of the breaker of indexes of turn and the alarm system


Fig. 8.20. A relay arrangement in the assembly block of a motor compartment: 1 — the conditioner relay; 2 — the relay of a cleaner of back glass; 3 — the relay of a sound signal; 4 — the main relay of the electric fan; 5 — the additional relay of the electric fan; 6 — the electric fan relay (CD20 engine); 7 — the relay of a back fog lamp


Except safety locks, relays (fig. 8.19 and 8.20) are installed in assembly blocks.

Fig. 8.21. An arrangement of components of system of electric equipment in interior of the car:
1 — the assembly block of safety locks and the relay; 2 — an electronic control unit the engine; 3 — the control unit of safety cushions; 4 — ABS electronic control unit; 5 — the relay of the control unit of the engine; 6 — a timer of screenwash; 7 — the block of the centralized blocking of locks of doors; 8 — the relay of blocking of a starter; 9 — the control unit of a signaling device of not switched off external lighting in the presence of a key in the ignition lock (the switch of devices and a starter);
10 — the relay breaker of indexes of turn and the alarm system; 11 — the stoplight switch; 12 — the relay of fog lights; 13 — the gasoline pump relay; 14 — a timer of a cleaner of back glass; 15 — the socket of a plait of wires of door switches; 16 — the socket of a plait of wires of salon and a motor compartment; 17 — the switch of window regulators and the hatch of a roof


Some relays and electric blocks are installed separately from assembly blocks (fig. 8.21).
Schemes of the main systems of electric equipment are provided in a color tab at the end of the book. Designations of color of wires are given in tab. 8.1.

Table 8.8  of the Chain, protected by the safety locks established in a motor compartment
safety lock No.
Current, And
The protected chain
45
10
Back lamps (dimensional light)
And
75
System before - and poststarting podogreva1
With
30
Relay of control of electromagnetic ABS valves
D
30
ABS hydraulic pump relay
Е
30
Engine cooling system electric fan. Climatic installation
F
25
System of the centralized blocking of locks of doors. Roof hatch electric drive
G
75
Onboard network of food
N
30
Engine cooling system electric fan. Climatic installation
I
30
 Power-supply circuit of the lock of ignition or switch of devices and starter
30
7,5
Electromagnetic coupling of the compressor of the conditioner. The electropneumatic valve accelerated single hoda2
31
7,5
Generator tension regulator power-supply circuit
36
10
Headlights (dimensional light). Back lamps (dimensional light)
37
-
Reserve
38
-
Reserve
39
15
Right headlight (near and far light)
40
15
Left headlight (near and far light). Control lamp of inclusion of driving beam of headlights
41
7,5
Sensor of position of the camshaft and speed of the engine. Measuring instrument of a mass consumption of air. Immobilizer
42
10
Sound signal
43
7,5
Back lamps (fog light)
44
10
Back lamps (dimensional light). Lighting lamp of registration plate
1 On cars with the diesel engine.
2 On cars with climatic installation.
3 On cars with the petrol engine.

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10.6.2. Removal and installation of the electric motor of a cleaner of back glass
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11. Body







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