Each of us knows that to ignite the fuel and air mixture in the combustion chamber requires a spark. The latter is formed just due to the operation of the ignition system. Her design is different cars It has some differences, but its main principle of work remains unchanged. And today we will talk about how to check the VAZ-2114 ignition module, as well as how to replace it with your own hands.
Characteristic
This element of the car is a complex electrical device, the main purpose of which is to generate current and transfer it to the candle. A total of two types of modules are used on cars - with one coil for each candle (separate) or immediately for two (block). Ignition module VAZ (2114th "Lada") - block type. Such elements include in their composition a double coil. The design of this part involves the presence of the following components:
- Low voltage terminals.
- High voltage output.
- Iron lamellar core.
- Primary and secondary winding.
The same analogues have a slightly different design that includes:
- Core.
- High voltage connections through spring contact.
- Candle.
- External terminal for low voltage.
- Secondary and primary winding.
Unlike the one-bar, such coils are easier to assemble due to their special (block) design, which has a common case. Despite the fact that there are several such elements in the block, they all work as independent devices. This design makes it possible to apply a shortened conductor, which goes to the primary winding of the mechanism.
VAZ-2114 - malfunction
On the wrong operation of this system can be judged by the following features. First, the faults can speak the coil when setting the velocity of the car. Secondly, it can manifest itself in a significant loss of car power, as well as in the "floating" idle engine speeds. And thirdly, the irregular operation signals the non-working 1-4 or 2-3 cylinders.
It should be noted that such symptoms are very often happening because of the faulty DMRV, or therefore, first of all, we look at their performance, and only then diagnose the ignition module.
VAZ-2114: Where is this detail?
On the cars of the Lada Samara-2 family, this element is placed in open space.
The easiest way to detect it is to find one end of their end stretches to the candles, and the second goes to the ignition module itself.
How to propagate the operation of the module?
Checking the ignition module (VAZ-2114 "Samara-2") for performance is performed in such a sequence. To begin with, we take out the negative after which it takes the electrical wiring from the coil mechanism. Next, unscrew all the screws and bolts that fasten the element housing. Further all works (as before) are made when the engine is turned off. We disconnect the assembly of the module, using the multimeter measure between the terminals of the contact connector, the level of general resistance. Then compare the results with the table standards that are listed in the instruction manual. If the data obtained differ significantly from tables in a smaller side, it means that the chain occurred in the machine, and the coil came into a malfunction.
After installing the wirelessness of the wires, you can proceed to the diagnosis of the secondary circuit of the DVS - measurement of the resistance level between the ignition terminals. According to measurements, we draw conclusions, and if the malfunction was hidden in the coil, it means that the module must be completely replaced. There are no other options for solving this problem.
How to replace the device with your own hands? Instruments
To begin with, we need to prepare a set of keys we will use. During the execution of work on the removal and installation of the ignition module, we will need two to 13 and 17 millimeters, as well as one roof key on "10". We will need the latter in order to remove the terminal from the battery. In addition, a hexagon should be prepared on "5". With the help of the latter, we will release the ignition module from the holder when dismantling.
Detail removal process
So, how is the replacement of the ignition module of the VAZ 2114th "Lada"? First you need to de-energize the car network of the car. For this, as in the previous case, we remove the minus terminal with the battery (if it has not yet been removed before). Next, you need to remove the decorative engine overlay. You can do it by twisting the oil bay cover. It is worth noting that this operation is used only by the owners of vases with a 1.6-liter engine. One-liter "Samara" are not supplied with a similar engine overlay.
On the next Stage Take out a block with wires and high-voltage wires from the module. Using the key to 13, you unscrew the two engine crankcase fastening bolts, the horn to 17 unscrew the last mount of the module. Then this detail is quietly extracted from the workpiece outside. The module itself is released from the holder using a hexagon of 5 millimeters.
Installation
Before installing new element In the car, you should connect high-voltage wires in advance according to the module scheme. It is also necessary to pay attention to the quality of fasteners - extra oxidation and dirt are thoroughly cleaned at the ends in the places of compounds.
Further, the ignition module of the VAZ 2114th "Lada" can be safely installed on a regular place. An element assembly is made in reverse order. After the ignition module is connected, the VAZ-2114 must be started and checking the performance of parts. If all of the above fault symptoms disappeared, then you did everything correctly.
Conclusion
So, we found out what the ignition module is and how to replace it. Finally, we note that when connected, it is important to monitor the correct connection of the entire wiring circuit, since with the slightest error it will not be possible to ensure the efficiency of the details of this system.
Ignition module - represents a complex electrical device designed to generate a high voltage current (up to 30,000 V) and transmission to ignition.
The binding component between the ignition module and candles is. It is worth noting that many car owners the ignition module is also called the ignition coil, which is not quite right because. The coil is part of the ignition module, but in this case it does not matter.
The principle of operation of the ignition module
The principle of operation of the module corresponds to the principle of operation of any ignition coil:
- Controls the operation of the module, feeding a constant current on its winding windings.
- According to the Induction Act, high voltage is generated and at the right moment is supplied to the ignition candle.
- The ignition module consists of two ignition coils and two switches, as well as plastic housing and outputs for high-voltage wires. Each coil is connected to 2 cylinders: 1 coil - 1 and 4 cylinder, 2 coil - 2 and 3 cylinder.
Signs of module malfunction (coil) ignition
The main signs of improper operation of the ignition coil are:
- dips at acceleration;
- loss of power;
- unstable idling;
- 2-3 or 1-4 cylinders do not work.
Where is the ignition module?
The ignition module is in the subcontrol space. The easiest way to find it is to find high-voltage wires. One end of high-voltage wires goes to ignition candles, the other end of the wires goes to the ignition module.
Wiring Wire Connection Scheme to ignition Module
Connect the high-voltage wires to the module must be strictly in a certain order: the wires 1 and 4 of the cylinder go to one winding, 2 and 3 to the other. The numbering of cylinders is indicated on the ignition module. Pay attention to the drawing.
If you keep the module strictly in front of yourself, then you need to connect as follows:
- 1 cylinder - left lower high voltage output;
- 2 cylinder - left upper high voltage output;
- 3 cylinder - the right upper high voltage conclusion;
- 4 Cylinder - the right lower high voltage output.
But this pinout is typical when the module is kept in front of you. If you want to install high-voltage wires on the machine already installed on the machine, then the pinout is a bit different, because The module is set at an angle (rhombus):
- 1 cylinder - central lower output;
- 2 cylinder - left output;
- 3 cylinder - upper output;
- 4 Cylinder - right conclusion. But for convenience and clarity it is better to remove the module, and only then install high-voltage wires on it.
How much is the ignition module?
The approximate cost of the ignition module in the store is from 700 to 1000 rubles.
How to check the module (coil) ignition?
To check the module, you need to measure the resistance between the outputs (1 and 4 cylindrome; and between 2 and 3 cylindrome). Resistance at the Ommeter should be about 5.4 com. For a more detailed description of the test action, read the article:
The ignition module (MD) plays a crucial role in the performance of the car. It creates a high voltage pulse and serves it on the spark plug. Powered by this block is carried out from the buspen with a voltage of 12 volts. The module consists of a compact plastic housing, 2 electronic controls and high-voltage transformers. MH has four special connectors for connecting wire wiring. The symptoms of malfunction of the ignition unit are associated with the failure of cable cables and spark plugs, which is where to pay maximum attention to the diagnostic procedures. The main signs of the breakdown of the Ministry of Health include: Unstable idling, reduction of engine thrust, the machine is badly gaining momentum in the process of overclocking, the failure of pair cylinders (1 and 4), (2 and 3). Next, consider in detail on the example of the VAZ-2114 ignition module (verification, removal, replacement).
Check module
Before proceeding with direct verification, we need to test the wiring block, which connects directly to the module. To check the tester, disconnect the block with the wires, connect one tester probe to the contact of the block "A", and the second plug into the motor weight. Then it is necessary to turn on the ignition, as a result of which the voltage pulse appears, about 12 V. should be on the tester.
In the absence of current, check the performance of the fuse going on the ignition module. After performing these operations, you need to check the contacts to break the chain. Take control lamp (It represents a light bulb at 12 V with two occasions), test the contacts "A" and "B". To do this, turn on the starter and watch the measuring "device". If the lamp flashes - the contact works, the absence of signs of the presence of voltage indicates the presence of a break in the chain. Repeat the procedure with the contact "B". The Ignition module of the VAZ-2114 can be checked in three ways, consider them in more detail.
Installing a desktop from another car
This method is the easiest provided that you have an additional module. In order to save money, it can be bored for a time from a friend from another car, in this case you need to make sure of its performance. Experienced motoristswhich spend a lot of time on the road, most often use exactly this method. Since the failure of the ignition module in domestic machines is the most common problem. There is here an important ruleIf you decide to use the "donor", the organ must be with identical transport, otherwise you can only aggravate the situation without solving the problem.
Mechanical method of checking MW
In order to verify this method, you need to include the power unit. After that, move the wiring block and the module itself, you can knock on it slightly. If at the time of exposure to the wound, the engine segments are unstable, jerks or interruptions occur, it means that contacts are broken. This is one of the most simple breakdowns, which can be eliminated in a few minutes.
Diagnostics using a special measuring device
To perform the verification of the MH, a tester is needed by which resistance is measured on high-voltage wires. Turn on the device in the module mode, connect the contacts pairly to the high-voltage outputs of the block 1 and 4, then 2 and 3. The resistance must be the same in both cases. Exact figures are indicated in the technical documentation. vehicle. Differences or deviations in the obtained indicators indicate the failure of the module.
Dismantling of faulty ignition module
The seizure of the old ignition module is simple procedure, which can any motorist without special training. To avoid unforeseen breakdowns and risk to get an electric strike, it is necessary to strictly follow the sequence specified in the instructions below. To perform all operations, a standard set of tools will be required in which there are screwdrivers and keys.
- De-in the system, to do this, disconnect the negative terminal from the battery.
- Remove the wiring block, turn it off from the ignition module.
- Now you need to disconnect the wires of the wire.
- The next step is to disconnect the mounts to the engine.
- Finally, pull out the ignition module and unscrew its holder.
When installing a new ignition module, you need to use prompts that are bundled with the part, and can also be listed on the part package. Wiring terminals must have appropriate numbers denoting cylinder numbers. More detailed instructions Installations of the new ignition block are shown below.
In this section, we write in detail how to replace the ignition module. To work, you will need a standard set of automotive tools. Required block that creates an impulse for starting power aggregate, under the hood, the Wires from the candles go to it. Before starting work, disconnect the minus terminal from the battery.
- Remove the wire block and disconnect high-voltage cables.
- Unscrew the bolts that mount the module to the engine, now the module can be removed.
Installing a new module is performed as follows: Connect the wires. In order not to confuse the connections, use a diagram placed on the device housing. Cylinder numbers are also indicated on the wires. Everything is quite simple, it is almost impossible to confuse their sequence.
Finally, you need to check the system. If, when you turn on the motor, the problem disappeared, then you did everything right. If the malfunctions are not eliminated, therefore, an error was made during the installation process, or the wrong source of breakage was selected. In rare cases, the cause may be a new module malfunction. This happens when buying details "from hand" from unverified sellers.
For the ignition of the fuel-air mixture of combustion of both carburetor and injection motors, a high-voltage VAZ ignition coil is required. The emergence of fundamentally new engine power systems, led to changes in the ignition systems. They went to the past, or as they were also called "Persons". Instead, new devices appeared, such as the VAZ 2114 ignition module.
The principle of operation of modules
The module is an improved motor starting system. The principle of its work is not very different from ordinary systems. If in the old systems, the high-voltage voltage was generated by opening the contacts in the ignition distributor, then in the module, the pulse generator serves signals from the control unit.
The control unit collects signals from the sensors on the engine, generates a control pulse and sends it to the ignition module. In it from the voltage on-board network The high-voltage voltage is formed and is sent to the cylinder candle to ignite the fuel and air mixture.
Device module
Two coils whose main task is high voltage. Helps them in this two-channel electronic switch. All these parts are enclosed, for the manufacture of which durable plastic is used. The housing has a low-voltage connector for connecting the supply voltage and feed control pulses. There are also conclusions for connecting, which are connected to the candles.
The figure shows the electrical scheme of the VAZ 2114 start system. As can be seen from the drawing, it consists of:
- Rechargeable battery;
- Ignition switch;
- Relay, including ignition;
- Hall Sensor;
- Semiconductor receiver signals from the sensor;
- Electronic switch;
- Ignition module.
- High voltage conclusions.
Also on electrical scheme The fuses of the electronic block power circuits are shown. Let's try to consider the device and the principle of operation of the ignition coil. As already noted, there are two in the block, on the device they are identical. The scheme of the ignition coil of one and the second is also absolutely the same. The principle of operation of the ignition coil remained the same. Both are made up of cores, from electrical steel. They are wound on two windings. One of them is low-voltage, and the second produces a high-voltage voltage to ignite the working mixture.
The ignition coils are made in such a way that the low-voltage winding is connected to the power voltage, and the second end of these windings is connected to the transistor generator. Each coil works "its" transistor. High-voltage conclusions are connected directly to the candles, each winding supplies two candles. One of them gives the impulses to 1 and 4 cylinder, and the second is 2 and 3.
The location of the wires on the ignition module is located in this way. Contacts A and B receive control pulses from an electronic switch, the output of D is powered by the machine onboard network. The output denoted by the letter C is connected to the mass of the car.
Where to look for this module
Weakly believe that the driver who is taken for checking or repairing this instrument does not know where it is located. Well, for those who do not know - tell me. It is easy to find it, drop at least one high voltage wire, and go through your hand on it from the candle to the plastic case, which belongs to the module.
From the picture, its location becomes more clear. There are such signs of faults.
On the question of what signs of the ignition module of the VAZ 2114, any driver without thinking, will say that there is no spark on the candlelight. Partially it is so, but there are some more possible causes failure of this device. You can observe such:
- The dynamics disappeared during accelerations, there were failures in the operation of the motor with a sharp press on the gas pedal for a speed set;
- It became noticeable to reduce the power of the engine, the drivers speak in such cases, the motor does not "pull";
- Idling strongly floats;
- There is no spark on one of the pairs of candles.
When signs of the ignition coil malfunction appear, then the check must be started with the candles that do not work, then, the last queue is subject to the module check.
How to check the system for performance
Check in any case start with candles. To do this, they need to withdraw from their nests. This is also easy to do. The tips of high-voltage wires are removed from them and with the key to turn the candles, remove them from their places.
Next, their inspection, cleaning and checking. They must have a working brown, in the absence of soot and nagar. If their presence is observed, then wear pistons and rings can exist. In any, check and, if necessary, expose the gap between the electrodes. After that, you can check their performance.
For these purposes there are special probes. "Cleells" manage to produce such products on their own from piezoshigali. If nothing like this is available, then check on the engine. Well, if there is a car with a well-serviceable starting system nearby. It will give the opportunity to put an accurate diagnosis for candles. If they are good, the search continues further.
Many publications recommend checking the presence of high voltage voltage at the instrument outputs. Make it in the conditions of the garage problematic due to the lack of a special measuring instrument. The usual tester is applied here, as it cannot measure several tens of high voltage kilovolts. If there is a radio amateur experience, you can collect a voltage divider.
Check the presence of high voltage is dangerous due to a possible sensitive shock, therefore we will tackle other methods. Let's talk about how to determine the problems of the ignition coil and check this system:
- The simplest method will be replaced the block in a serviceable device. It is not always possible, since not all drivers take with them this device about the reserve;
- They also advise that it is checked repeatedly, to move the device during the operation of the motor. If change is noticeable, they indicate poor contact inside the instrument. Sometimes it is corrected;
- Check tester or multimeter mode. The resistance of paired conclusions of coils, 1 and 4, as well as 2 and 3. It must be identical for both windings and is approximately 5.4 kΩ.
Prevention system
With all high reliability electronic devices, breakdowns still happen. Sometimes they can be avoided if they carry out even sometimes inspection and maintenance of the elements of this system:
- Do not allow confusion with high voltage wires if their internal resistance increases greatly, it may damage coils;
- Check the gap between the electrodes of candles, as too large spark gap is also negatively reflected on the instrument.
On the possibilities of repairing the module
Most of the breakdowns of this device lead to its replacement, but sometimes it is possible to repair the ignition coil to return it. This applies to those cases when the movement or climbing change the behavior of the motor. If there is a skill to handle a soldering iron and a multimeter, you can try to return it to the system.
It is necessary to remove the metal back cover, under which the electrical parts of the module are filled. It is necessary to try to carefully get rid of silicone and your "inside" will open to your gaze. Lay the tormented or "bad" contacts and read them.
Conductors in the aluminum block, so for their soldering you need a special solder.
After that, cover the back cover and check its performance. With a positive result of repair, it is necessary to open it again and fill the inside of silicone.
If the result is negative, the block must be replaced. True, the owners who have great amateur experience continue to "dig" further. You can try to replace electronic switches. Basically, these two elements become perpetrators of the failover of a motor start system.
We change the module of the ignition system
When the repair of the ignition module did not give positive results, it remains to search and install a new device. Most mechanics are recommended to stay on the instrument "GM", as a very reliable product. Its value in different regions is changing, but close to 2000 rubles. Replacing the ignition module can be performed independently, the features are not observed, special devices are not needed. Prepare for work:
- Ignition block for replacement;
- Key to "13";
- Rag.
Work can be easily performed in the garage or on a flat site. Procedure for conducting work:
- Open the hood motor compartment And disconnect the terminals rechargeable battery. It is enough to remove the terminal only with the "minus".
- After that, take out high-voltage wires from your installation places. You need to remember where which wire stood. If you doubt your abilities, make tags. Change wires can not be changed. Can be new spare part Destroy.
- In the next step, we carefully disconnect the connector with the wires from the module. In the course there is a key to "13", which turn over the three nuts for fastening the device to the motor.
- When the nuts are removed, the device is removed from the engine.
Now let the vehicle, which wipe the installation place and around it. Carefully inspect the new device and start it. It is carried out in reverse sequence to removal. Once again I want to remind you about the importance of installing high-voltage wires into place. If all the same difficulties arose, then take a look at the block. It shows the numbers of high-voltage wires.
The rooms are the order of the wires of the wires in the module It should be noted that on sale you can still find the ignition modules of the old sample, on which there is no designation at the high-voltage conclusions of the wire numbers. If such a device is purchased, be careful when installing it.
To begin, I would like to note that the ignition module on the VAZ 2115 is a fundamental new device that is more reliable than what was installed on earlier models of VAZ cars. Essence of work this device It comes down to the fact that it produces high voltage electric current, which is later transmitted to the vehicle ignition candles.
The principle of operation of the ignition module
As mentioned earlier, the main task of the ignition module is that it forms a high voltage level, which is subsequently transmitted to spark plugs. The generated current passes the compression procedure, as a result of which a working spark is applied to one of the spark systems, and on the second "idle". To be more correct in statements, the working spark is applied to the first and fourth candles of the ignition system of the vehicle, and the "Host" on the second and third. Thanks to such a high voltage electric current supply system, the spark appears during the desired clock and on the desired cylinder, which ensures the stability of the system.
Video. VAZ 2115 Ignition Module Check
Powered to the VAZ 2115 ignition module is supplied directly from the onboard electrical network of the vehicle. The voltage that is fed to the ignition module has a value of twelve volts. At the same time, you should know that the minus ignition module wire is attached directly to the vehicle body.
VAZ 2115 Ignition Module Design
The car ignition module consists of a housing that is made of plastics, blocks of blocks electronic control, high-voltage current transformers pairs, as well as four outputs for wires type explosives. Dimensions of the ignition module VAZ 2115: one hundred ten one hundred seventeen to seventy. The weight of the ignition module is one kilogram of three hundred twenty grams.
