Electric equipment and devices of cars VAZ-2108

General information about on-board electrical equipment
The electrical equipment is made according to a single-wire circuit - the negative terminals of the sources and the corresponding terminals of the consumers of electricity are...

Protected elements (chains) electrical equipment
Protected elements (chains) electrical equipment

Car wiring diagram
Pic. 123. Scheme of electrical equipment VAZ-2108: 1 - block headlight, 2 - headlight cleaner motor *; 3 - engine compartment lamp switch; 4 - sound signal; 5 - electric motor of...

Features of the lighting system device
The scheme of inclusion of headlights is shown in fig. 144. The dipped and main beam headlights are switched on using auxiliary relays 3 and 4. The control voltage to the relay...

Possible malfunctions of lighting and light signaling
Possible malfunctions of lighting and light signaling

Headlight adjustment
It is carried out by rotating screws 1 and 2 (pic. 147), which rotate the optical element in the vertical and horizontal planes. It is most convenient to adjust the headlights...

Understeering's shifter
It consists of a connector fixed to the steering shaft bracket and two switches. The left switch activates the direction indicators, headlights and parking light, while the right...

Headlight relay
To turn on the headlights, relays of type 113.3747 are used, installed in the mounting block. The same relays are also used to turn on the horn, rear window heating and the engine...

Relay-interrupter for direction indicators and alarms
Relay-breaker type 43.3747 is installed in the mounting block. It is used to create an intermittent light signal for direction indicators in both alarm mode and turn signal mode....

Features of the windshield wiper device
The scheme of inclusion of a cleaner is shown in fig. 150. Windshield wipers may be either domestically produced or manufactured in Hungary. They are interchangeable in connection...

Possible malfunctions of the windshield wiper
Possible malfunctions of the windshield wiper, their causes and solutions are given

Removal and installation of a cleaner of a windscreen
Cleaner repair consists mainly in editing deformed rods and levers or replacing them with new ones. It is recommended to replace a defective gearmotor with a new one. Of the...

Windshield wiper gearmotor repair
To disassemble the gearmotor, unscrew the screws securing the gear cover and remove it together with the limit switch panel. Then, the screws securing the gearbox housing to the...

Checking the windshield wiper relay
The relay must ensure the inclusion of the electric motor of the cleaner with a frequency (14±4) cycles per minute in the range of operation from idling (traction only) up to load...

Headlight and rear window cleaners
On some vehicles, headlight and rear window cleaners can be installed along with solenoid valves for washing the headlights and rear window. The circuit for switching on the...

Glass washer
The washer consists of a reservoir with liquid, a pump with an electric motor, combined into one unit, solenoid valves and pipelines with jets. Windshield washer fluid supply line...

Electric motors of heater fans
Motor type 45.3730, with permanent magnet excitation. The scheme of its inclusion is shown in fig. 152. An additional resistor 5 is used to obtain different rotation speeds. It is...

Electric motors of fans of the engine cooling system
To drive the fan of the engine cooling system, electric motors of domestic production such as ME272 or Yugoslav production are installed. These are DC motors with excitation from...

Features of the device control devices
All control devices of the car are combined into one node - a combination of devices. It includes; speedometer, coolant temperature gauge, fuel gauge with reserve warning lamp,...

Possible malfunctions of control devices
Possible malfunctions of devices, their causes and remedies

Removal and installation of a combination of devices
To remove the instrument cluster, disconnect the wire from the terminal «minus» battery and a flexible speedometer shaft from the speedometer drive on the gearbox. Disconnect the...

Disassembly and assembly of the instrument cluster
To disassemble, unscrew the screws from the side of the glass and, having pressed the latches, remove it together with the frame. Unscrew the screws and remove the trim with the...

Instrument Troubleshooting Technique
Coolant temperature gauge If the pointer needle is constantly at the beginning of the scale, then with the ignition on, disconnect the wire from the pointer sensor and connect the...

Checking devices and their sensors on the stand
Coolant temperature gauge The device operates in conjunction with a sensor installed in the cylinder head. With a sensor resistance of 640-1320 ohms, the arrow should be at the...

Carburetor Solenoid Valve Control System
The system serves to disable and enable the carburetor solenoid valve (blocking the fuel supply) at forced idle. The main node of the system is the electronic control unit 3 (pic....

Built-in diagnostic system
The built-in diagnostics system is installed on cars, designed to control the technical condition of the car using a motor tester. This system includes a sensor 17 ( see fig. 123...

Antenna, speakers and radio
Antenna installation 1579.03 Disconnect the wire from the terminal «minus» battery. Drill a hole with a diameter of 14 in the left wing of the car +0,18 mm at a distance of 322 mm...