How to check ignition coil 406 Volga Gazelle
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How to check the ignition coil 406 Volga Gazelle To check the ignition coil 406, you will need an ohmmeter or, as shown in the video, a multimeter. You will also need to know the nominal resistance values of the windings. For the primary winding, the values will be 0.35-0.5 Ohm. For the secondary winding 5-7 kOhm. In case of deviation from these values, the ignition coil should not be used, even if it has not been used before. Ignition coils are installed in pairs, the first coil drops a discharge on cylinders 1 and 4, the second coil drops a spark on cylinders 2 and 3. The ignition coil is a small transformer. The primary winding is wound on its magnetic circuit, and the secondary winding is installed on top of it, in sections. Both of them are installed in a plastic case, and the space between these components is filled with thermoactive polymer resin. Also on the case are low and high voltage contacts for connecting the device. In accordance with the coil connection diagram, low-voltage pulses are supplied to the device from the control module. Once inside the device, these pulses are converted into high-voltage charges. Ignition coil malfunctions: Short circuit inside the system, which can lead to overheating of the device. If the operating temperature exceeds 150 degrees, the product will fail irreparably. The second reason is a malfunction of the power supply from the vehicle's electrical network. As is known, for normal operation of electrical devices, the voltage level in the on-board network must be at least 11.5 volts. If the power supply is too low, this will lead to the fact that it will take much longer to charge the short circuit. The device can also fail due to mechanical damage to the insulation. Such a problem is usually associated with the ingress of motor fluid through worn seals. Poor contact of the product with the on-board network. If the short circuit housing is damaged, this can cause moisture to enter the primary or secondary winding, which in turn can lead to the appearance of transient resistance. Thermal problems. Some models of the ignition coil are more susceptible to heat generation than others, which can also affect their service life. As a result of the impact of engine vibrations, the performance of the ignition coil can also be impaired. #ignition #ignitioncoil #coil #gazelle #technomaster
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