All articles about the device and repair of electrical equipment of the engine of cars VAZ-21213 "Niva".
Possible battery malfunctions, their causes and solutions Technical specifications: Battery type - 6ST-55A, maintenance-free Rated voltage, V - 12 Rated capacity at 20-hour discharge and electrolyte temperature (27±2) °С at the beginning...
Bringing a dry-charged battery into working condition Vehicles leaving the factory are equipped with batteries ready for action, i.e. filled with electrolyte and charged. Spare parts may receive batteries without electrolyte, in a...
Checking the electrolyte level in the battery The electrolyte level in all battery cells must be between the lines marked «MIN» and «MAX», applied to the translucent battery case. Do not operate a battery with an electrolyte...
Checking the degree of discharge of the battery If the battery fails in operation, as well as during its maintenance, it is necessary to check the discharge of the battery with a rechargeable hydrometer. At the same time, it is...
Charging the battery Carefully clean the battery removed from the car, especially its upper part, check the electrolyte level and, if necessary, bring it to normal. The battery is charged with a...
Features of the generator device Generator type 37.3701 - alternating current, three-phase, with built-in rectifier unit and electronic voltage regulator, right rotation (drive side). To protect against dirt, the...
Checking the generator on the stand Testing on the bench allows you to determine the health of the generator and the compliance of its characteristics with the nominal ones. For the generator under test, the brushes...
Checking the generator with an electronic oscilloscope The oscilloscope allows you to accurately and quickly check the health of the generator and determine the nature of the damage by the shape of the rectified voltage curve. To...
Checking the excitation winding of the rotor The excitation winding can be checked without removing the generator from the car, removing only the protective cover and voltage regulator along with the brush holder. Having...
Checking the generator stator The stator is checked separately, after disassembling the generator. Its winding leads must be disconnected from the rectifier valves. First of all, check with an ohmmeter or with...
Checking the rectifier valves A good valve only allows current to flow in one direction. Faulty - may either not pass current at all (open circuit), or pass current in both directions (short circuit). If one...
Checking additional diodes A short circuit of additional diodes can be checked without removing and disassembling the generator according to the circuit shown in fig. 7-9. As well as for checking the valves...
Checking the generator voltage regulator The operation of the voltage regulator is to continuously and automatically change the generator excitation current in such a way that the generator voltage is maintained within...
Checking the generator capacitor The capacitor serves to protect the electronic equipment of the car from voltage pulses in the ignition system, as well as to reduce radio interference. Capacitor damaged or loose...
Generator disassembly Clean and blow out the generator with compressed air. After loosening the clamp, disconnect the air intake 3 (pic. 7-11) from the branch pipe of the protective cover 4. Having...
Generator Assembly The generator is assembled in the reverse order of disassembly. When assembling the generator release before 1996. (with collapsible assembly regulator - brush holder), in order...
Generator brush holder replacement If the brushes are worn out and protrude from the brush holder by less than 5 mm, then replace the brush holder with brushes. For a generator manufactured before 1996, to replace,...
Replacement of generator rotor bearings To remove the defective bearing from the cover on the drive side, unscrew the nuts of the screws tightening the bearing fastening washers, remove the washers with screws and press...
Replacement of additional generator diodes To replace, unsolder the leads of the damaged diode and carefully remove it from the plastic holder, avoiding sharp blows to the rectifier unit. Then clean the epoxy residue from...
Features of the starter device Technical specifications: Rated power, kW - 1.3 Consumed current at rated power, A - 290±10 Consumed current in the inhibited state, no more than, A - 550 Current consumption at...
Checking the starter on the stand If there is any doubt about the efficiency of the starter, it is necessary to check it on the stand. The electrical connection diagram for testing the starter on the stand is...
Starter disassembly Unscrew the nut on the lower contact bolt of the traction relay and disconnect the output of the stator windings from it. Turn away nuts of fastening of the traction relay and...
Checking the technical condition of starter parts Anchor Check with a megger or with a lamp powered by a voltage of 220 V that the armature winding is not shorted to «mass». Voltage through the lamp is supplied to the collector...
Starter Assembly The starter is assembled in the reverse order of disassembly. Before assembly, lubricate the screw splines of the armature shaft and freewheel hubs, gear and cover bushings with...
Features of the ignition system device The ignition system is non-contact. Consists of a sensor-distributor 5 (pic. 7-17) ignition, switch 3, ignition coil 4, spark plugs 6, switch 1 with ignition relay 2 type...
Setting the ignition timing Ignition advance angle up to v.m.t. at a crankshaft speed of 750-800 min -1 must match the data Apps 3 . To check the ignition timing, there are three marks 1,2 and 3 (pic. 7-18)...
Ignition distributor The sensor distributor of ignition 3810.3706 is shown in fig. 7-19. Pic. 7-19. Sensor-distributor ignition 3810.3706: 1 - roller; 2 - oil slinger; 3 - plug connector; 4 - housing...
Checking the ignition coil Check winding resistance and insulation resistance. For ignition coils type 27.3705, the resistance of the primary winding at 25°C should be (0,45± 0,05) Ohm, and the secondary...
Checking the ignition switch The switch is checked using an oscilloscope and a square-wave generator according to the circuit shown in fig. 7-25. The output impedance of the generator should be 100-500 ohms....
Spark plug Spark plugs with soot or contaminated before testing, clean on a special installation with a jet of sand and blow with compressed air. If the soot is light brown in color, then it...
Ignition switch At the ignition switch, the correct closure of the contacts is checked at various key positions (tab. 7-5) and operation of the anti-theft device. Voltage from the battery and...
Electrical equipment of the VAZ-21214 car engine Electrical equipment diagram (pic. 9-5) it is distinguished by the introduction of an injection system harness, the wires of which the controller is connected to the sensors and...
Features of the VAZ-21214 car generator device Technical specifications: Maximum recoil current (at 13 V and 6000 min -1 ), A - 80 Limits of regulated voltage, V - 13.2-14.7 Gear ratio engine-generator - 1:2.16 Generator type...
Control checks of the VAZ-21214 car generator Checking the generator on the stand Testing on the bench allows you to determine the health of the generator and the compliance of its characteristics with the nominal ones. For...
Repair of the VAZ-21214 car generator Generator disassembly Remove cover 8 (pic. 9-13), by releasing the latches that connect it to the back cover. Unscrew the screws securing the brush holder 12 to the rear cover...
Electrical equipment of the car engine VAZ-21214-10 The electrical circuit is distinguished by the introduction of the engine control harness (COURT) (pic. 9-24), the wires of which the controller is connected to the sensors and...
Electrical equipment of the VAZ-21215-10 car engine Generator The Valeo generator is supplied with the engine. The generator connection diagram is shown in fig. 9-34. Pic. 9-34. Generator connection diagram: 1 - battery; 2 -...