Note: The electrical equipment of the engine management system is discussed in a separate chapter (see "Engine management system").
The cars are equipped with a maintenance-free battery, which ensures the starter operation when starting the engine, as well as the operation of the car's security system when parked, and the operation of the electric door lock drive (central lock) and other electrical equipment when the engine is not running. When the engine is running, the equipment is supplied with electricity from the generator. Part of the energy generated by the generator is used to recharge the battery.
Power supply voltage for most electrical consumers is supplied via the ignition switch (lock). Switches and switches for the main and additional electrical equipment are installed on the instrument panel and on the steering column.
Power supply chains for powerful consumers of electrical energy (headlights, windscreen wiper, heated rear window, electric fan of the radiator of the engine cooling system, fog lights) are switched via a relay. The windshield wiper, hazard warning lights and turn signals are also switched on via a relay.
All electrical circuits of the car (except for the power circuits of the starter and generator) protected by fuses.
The fuse's rated operating current is indicated on its body. In addition, the fuse body's color corresponds to a specific current value:
- 5 A - beige
- 7.5 A - brown
- 10 A - red
- 15 A - blue
- 20 A - yellow
- 25 A - white
- 30 A - green.
Fuses and relays are installed in mounting blocks located in the engine compartment and on the left end of the instrument panel (for more details, see. "Fuse and relay mounting blocks").
The electrical wiring is assembled into bundles of copper wires with multi-colored insulation.
Most electrical connections of electrical equipment are made on plug-in terminal blocks.
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