Electrical system of VAZ cars
Generator
* Responsible for generating electricity and charging the battery.
* Driven by engine via drive belt.
* Alternator voltage is usually around 14V.
Battery
* Provides electricity to the starter and other electrical systems when the engine is off.
* Typically has a capacity of 45 to 75 Ah.
Starter
* Converts electrical energy into mechanical energy to start the engine.
* Turns on when you turn the ignition key.
Ignition system
* Creates high-voltage pulses that ignite the air-fuel mixture in the cylinders.
*Includes:
* Ignition coil
* Spark plugs
* Ignition distributor or ignition control module
Lighting system
* Provides illumination of the road, interior and body of the car.
*Includes:
* Headlights
* Tail lights
* Side lights
* Direction indicators
* Brake lights
Power supply system
* Distributes electricity throughout all vehicle systems.
*Includes:
* Battery
* Fuses
* Relay
* Wiring
Additional electrical systems
* Air conditioner
* Heating and ventilation
* Window lifters
* Audio system
Features of the electrical system of the VAZ car:
* Using a single-wire circuit (vehicle ground is used as a return wire)
* Low voltage on-board network (12 V)
* The need for regular maintenance (checking contacts, replacing generator brush holders)
* Possibility of making improvements and modernization (installation of additional devices, improvement of lighting quality)