Car engine electrical equipment VAZ-2109

All articles about the device and repair of electrical equipment of the engine of cars VAZ-2108 and VAZ-2109 Sputnik.

Battery device
Technical specifications: Nominal voltage, V — 12 Nominal capacity at 20-hour discharge mode and electrolyte temperature of 25°C at the beginning of discharge, A h — 55 Discharge...

Battery maintenance
After the first 2,000 km and after every 15,000 km, it is necessary to check the level and density of the electrolyte, the cleanliness and reliability of the fastening of the wire...

Main faults of the battery and how to fix them
Accelerated self-discharge of the battery A working "low maintenance" battery when stored or the engine is not running (when there is no recharge from the generator) discharges...

Generator device
Technical specifications: Maximum output current at 13 V and rotor speed of 5000 rpm, A — 55 Adjustable voltage limits, V — 14.1±0.5 Maximum rotor speed, rpm - 13,000...

Generator operation
When the ignition is off, voltage is not supplied to the "B" terminal of the voltage regulator and there is no current in the excitation winding of the generator. When the...

Generator Maintenance
After the first 2,000 km and every 15,000 km, check the condition of the alternator drive belt and adjust its tension if necessary. Every 60,000 km of run, clean the generator...

Adjusting the alternator drive belt tension
Normal deflection "A" (figure 99) the belt tension should be within 8...10 mm when pressed with a force of 10 kgf. To increase the belt tension: loosen nut 4 fastening the...

Main generator faults and how to fix them
The faults that the car owner can detect and fix independently are listed. Works related to disassembling the generator (replacement of the rectifier unit), it is recommended to...

Starter device
Technical specifications: Nominal power, kW — 1.3 Current consumption at maximum power, A, no more than - 260 Current consumption in the braked state, A, no more than - 500...

Starter operation
When the key is turned to position 11 (Starter), contacts "30" and "50" of ignition switch 5 are closed ( figure 104 ), and voltage is supplied to the winding of auxiliary relay...

Starter Maintenance
After every 45,000 km of vehicle mileage, carefully clean the collector with fine-grained sandpaper, check the wear and fit of the brushes to the collector. Replace brushes worn...

Main faults of the starter and how to fix them
To avoid many starter malfunctions, it is necessary to follow a number of simple rules when operating it: when starting the engine, turn on the starter for no more than 10...15...

Ignition system device
The ignition system is designed to ignite the working mixture in the engine cylinders by a spark discharge, which must be created at a strictly defined moment. Most cars of the...

Operation of the contactless ignition system
When the ignition is turned on, contacts "30" and "87" of relay 1 are closed (figure 110) ignition and the supply voltage is supplied to terminal "4" of switch 5 and the...

Operation of the digital ignition system
When the ignition is on, the supply voltage through the mounting block 7 (figure 112) and ignition switch 6 is fed to plug "4" of switch 4, to plug "2" of controller 10 and to the...

Maintenance of the ignition system
Only the contactless ignition system requires maintenance. The digital ignition system only requires periodic replacement of the spark plugs. Replace spark plugs every 15,000 km...

Setting the ignition timing
The ignition advance angle before TDC at a crankshaft speed of 750...800 rpm should be (1±1)° for 2108 engines, (6±1)° for 21081 and (4±1)° for 21083. If the angle value is less...

Main faults of contactless ignition system and ways to eliminate them
The VAZ-2108, 2109 family cars use a high-energy ignition system with extensive use of electronics. Therefore, in order to avoid injury and damage to electronic components, it is...

Features of troubleshooting in a digital ignition system
Accurate diagnostics of digital ignition system components is possible only at service stations equipped with appropriate stands and devices: However, with the appropriate skills,...

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More articles from other manuals on VAZ cars:
➠ Electrical equipment: Engine electrics VAZ-21051 (1979-2010)
➠ Power unit: Engine repair VAZ-2107 (1982-2012)
➠ Power unit: Engine repair VAZ-2101 (1970-1983)
➠ Electrical equipment: Engine electrics VAZ-2106 (1976-2006)
➠ Power unit: Engine repair VAZ-2110 (1995-2007)

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