VAZ-2107 owners will have to re-equip and modernize the car in their own way, if, of course, there is a desire to improve the hardware to the possible ideal. This also applies to wipers, which show a slow cyclic movement.
A windshield wiper is designed to thoroughly clean the surface of the windshield, so if it doesn't work effectively, sticks and drags, the road ahead becomes difficult to see in rain or snowstorms.
The functions of the wipers are based on the supply of appropriate power and the uninterrupted operation of the regulator. The last part is indispensable in the design of wipers, so it is advisable for every VAZ-2107 driver to know where the relay is located so that problems with it can be fixed at any convenient time.
Standard relays
Standard windshield wiper relays with an adjustable pause for VAZ, UAZ and other car brands have two operating modes. In the first, the brushes swing without pause. This mode is suitable if there is heavy rain. The second mode has a pause between swings. By default it is 4 seconds.
This situation sometimes makes it difficult to select the optimal mode for eliminating drops from the windshield. Many modern car models provide adjustments with the ability to set the time between brush strokes. However, relatively inexpensive vehicle models do not have this option.
In this case, the driver is forced to either put up with this brush flapping mode or turn it on manually. In this case, literally every 20 s. you have to use the windshield wipers and then turn them off again. This allows for normal visibility. However, manually turning on the wipers can distract the driver. This action may lead to an accident. Therefore, it is recommended to retrofit your vehicle with a more modern relay design.
Main types of wipers
If previously wipers or brushes for cleaning the windshield had only one type, today such products come in various shapes, types, and sizes. From the factory, the VAZ-2107 is equipped with standard windshield wipers, the shelf life of which is no more than 20 thousand km. Of course, it is wrong to tie brushes to the mileage of the car, so it is necessary to change products when they do not cope with their main task.
The wiper itself is a structure that is based on a body and a working element. The working element is the windshield wiper, and the housing is necessary to support this structure. Although today there are the following types of windshield wipers that can be installed on the VAZ-2107:
Windshield washer does not work
To remove dirt from the windshield, the washer is used together with the windshield wiper. The device sprays water or a special liquid. The main elements of this mechanism are:
- fluid reservoir;
- motor;
- nozzles;
- connecting tubes.
The washer pump is located in the reservoir and supplies fluid through tubes to the nozzles
During the operation of a car with a washer, various problems may arise that lead to its inability to work:
- motor failure;
- fuse blown;
- kinking of tubes;
- breakdown of the steering column switch;
- poor contact on the power supply circuit.
Checking the motor
It is easy to check if the washer pump is not working properly. To do this, just open the hood and pull the lever of the steering column switch, which is responsible for the function of supplying fluid to the windshield. At this moment, the operation of the motor will be clearly audible. If this does not happen, then the malfunction may be caused either in the pump itself or in the fuse or other part of the electrical circuit. To make sure that the problem lies in the motor, we use a multimeter to measure the voltage when the washer is turned on. If there is voltage, but the pump does not work, then you need to take care of replacing it.
Video: checking the wiper motor on a “classic”
Injectors
If the motor is running, but liquid is not supplied through the nozzles, then the problem will not be difficult to identify, since there are only a few reasons for this phenomenon:
- clogged injector fittings;
- the supply tube has come off;
- kinking of the tube.
The malfunction can be determined by inspecting the tubes from the motor to the injectors. If there are no areas with kinks and the tube has not fallen off, then the reason lies in clogged nozzles, which can be cleaned with a sewing needle and blown out with a compressor.
If the motor and washer tubes are in good condition, then it is worth cleaning the nozzles using a needle and a compressor
Fuse and mounting block
The integrity of the fuse is checked in the same way as for windshield wipers. The same protective element as for the wipers is responsible for the operation of the washer. In addition to the fuse, sometimes the track in the mounting block through which power is supplied to the washer burns out. In this case, you need to disassemble the fuse box and restore the current-carrying element by soldering, having first cleared the varnish from the track.
Sometimes a track burns out in the mounting block, which can be restored by soldering
Understeering's shifter
You should start checking the steering column switch on a VAZ 2107 if the fuse, motor and the entire electrical circuit through which voltage is supplied to the pump are in good condition. In this case, the wiring should not have breaks, melted insulation or other visible damage. To check the steering column switch, only a multimeter will be enough. Having disconnected the connectors from the device in question, we connect the probes of the device in the dialing mode with a two-pin block. If the switch is working properly, then when the washer is turned on, the device will show zero resistance. Otherwise, the mechanism will have to be replaced.
Numbering, ratings and purpose of fuses
Each of the fuses in the VAZ 2107 can serve one or more electrical circuits of the car. If a fuse fails, a specific device or vehicle system (or several) will not receive power. As a result, a particular device becomes inoperable.
Fuse failure is not always the cause of a malfunction. In many cases, a blown fuse is the result of a component or system malfunction. Such cases include:
- short circuit in the car's electrical wiring;
- burning of contacts and connectors;
- wear of the fuel pump, electric motors of vehicle system drives (windshield wiper, fan);
- malfunction of the electronic engine control unit.
In the event of a failure of any of the vehicle systems, according to the table below and the fuse location diagram, determine the fuse number and its location in the block. If this fuse is responsible for several systems, you should check the functionality of the other system. If it works correctly, the fuse is most likely good and is not the problem. After this, using a multimeter or other measuring equipment, the functionality of the fuse is checked by measuring its resistance (continuity).
Testing the fuse should only be done on a dismantled (removed) fuse. The resistance of a good fuse is close to zero. In most types of fuses, the thread of its working area is visible through the light or is located outside the body part. You can check the fuse visually, but there are often cases of erroneous inspection when the working area has a microcrack.
Fuse box VAZ 2107
Table 1. Purpose of fuses VAZ 2107 (under-hood unit):
VAZ 2107 fuses, which one is responsible for what
VAZ 2101 or simply “Kopeyka”
This car was created on the basis of the pride of the Italian automotive industry Fiat-124. By the standards of that time, the Fiat-124 car was one of the best not only in Italy itself, but throughout Europe; it was awarded the title “Car of the Year” in 1965. But although it was he who was taken as the basis, the VAZ-2101 is still not an exact copy of it, but, so to speak, a deeply modernized version of the Fiat. Serial production of the car at VAZ began back in 1970, and the car was discontinued in 1988. Thus, the model lasted on the conveyor for 18 long years.
Compared to its ancestor, the main changes affected primarily the engine. It was not only adapted to gasoline produced in the Soviet Union USSR, but also a number of additions were made to it that made it a more modern and comfortable car. So, for example, in the classic “penny” engine the piston stroke was reduced and the cylinder diameter was increased.
VAZ CLASSIC Models
Modification of the windshield wiper relay on the VAZ 2110
Pros:
- Now you can set any timeout between swings
- After the washer, the first wave is delayed
- 3 strokes after the washer, instead of 4
Video demonstrating the operation of the wiper relay
But you can modify the windshield wiper relay with your own hands:
Changing the number of strokes of the car wipers
Nobody paid attention, when you splash water on the glass, the wipers make 4 strokes. After the second stroke, no water remains on the glass, and the wipers work on dry glass with an unpleasant sound. You can make the wipers make only two strokes instead of four!
Below is an old-style windshield wiper relay: New-style windshield wiper relay: We remove the factory resistance diode and install a resistor from 40 to 70 kOhm.
Changing the pause between sweeps of the car wipers
On the second leg of the chip there is a resistor with a nominal value of 2.7 kOhm (3 kOhm in the diagram), which goes directly to the “J” pin of the relay. In order to make an initial delay of 1 second, you need to remove the old resistor and solder in a new one for min. 600 Ohm, otherwise the relay may not work. Below is an old-style wiper relay: New-style wiper relay: Next from this output, through block Ш4-10 of the mounting block, a yellow wire with a green stripe goes to contact “J” of the steering column switch. For To be able to adjust the pause between strokes, you need to install a variable resistor with a nominal value of 22-47 kOhm in the section of this wire. At 22 kOhm - a pause from 2 seconds to 25 seconds. At 47 kOhm - a pause from 2 seconds to 38 seconds.
I installed a 47k ohm variable resistor in the steering column housing next to the steering column wiper stalk. To do this, I pulled out the wire from the switch block, from the “J” contact, connected it to the alternator through a single block, and in its place installed another wire from the alternator, putting a tip on it. Before this alteration, I used a ready-made purchased “Deca” relay with pause adjustment (with which you have to constantly pull the switch lever to adjust). Therefore, I can write with all confidence that using the knob I made is much more convenient than using a ready-made relay with adjustment.
Conclusion
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| How did you improve the operation of your car's windshield wipers? |
Wipers for headlights
Some owners of “Sevens” install windshield wipers on the headlights for ease of use of the headlights. With the help of these elements, there is no need to constantly clean the optics from dirt manually, which is especially important in rainy weather. To implement the mechanism, the following list will be required:
- headlight cleaner motors 2 pcs. (left and right);
- two transition strips;
- brush leads;
- brushes;
- washer reservoir with two pumps;
- five-pin relay;
- wiring with blocks;
- solenoid valve from the G8;
- tee and washer tube about 2 m.
As for the brushes themselves, they can be installed from both VAZ 2107 and VAZ 2105.
The main elements for equipping headlights with wipers are motors, leads, brushes, a reservoir with pumps, an electric valve, a relay and wiring
Installation
The sequence of actions for installing headlight cleaners is as follows:
- Unscrew the fasteners and remove the radiator grille.
- We insert the motors into their original grooves.
- We secure the electric motors from the outside using a 14 nut. To prevent the shaft from turning sour, remove the rubber cap, fill it with Litol-24 grease and put it in place.
- We mount leashes with brushes on the shaft.
- We extend the washer tubes under the hood and put the radiator grille in place.
- Instead of the standard washer reservoir, we install a reservoir with two motors. One is connected to the tube going to the windshield, the other is connected to the tube from the headlights through a tee and a valve. Plus is supplied to the valve from the pump power.
- We connect the wires according to the diagram.
- We install the relay in its standard place in the mounting block.
Since, according to the instructions described above, the headlight washer works simultaneously with the windshield washer, in the spring and autumn the liquid from the reservoir is consumed quite quickly during the daytime, which does not suit many car owners. To use the fluid more efficiently, a separate button should be installed on the headlight washer.
To do this, perform the following steps:
- We remove the wires from Ш3 | 2 in the cabin and place it in the empty block Ш2 | 8 according to the diagram.
- We take out the wires from Ш7 | 8 in the cabin and put in an empty block Ш8 | 7.
- Into the free connector of the Ш3 block | 2 we start the minus through any button that we install in a place convenient for the driver.
The mechanism of the "seven" wipers periodically requires maintenance, since the operation of the elements is associated with constant friction. If problems arise, you can identify and fix them yourself, without the need for special tools or extensive experience in car repairs.
New model fuse and relay block (mounting block) VAZ 2104, 2105, 2107 AVAR (402 and 404)
Review of new model mounting blocks for VAZ
2104, 2105,2107
produced by ABAR 402.3722. The windshield wiper relay looks like a box painted black with a 15 cm long wire connected to it. If you start to disassemble it, you will see an electrical board inside where the electronic components are present. They are assembled and connected to each other, taking into account the circuit designed by the designers, this circuit simply keeps the windshield wiper relay in an effective state. For a better understanding, we will disassemble the windshield wiper gear unit in parts:
- Electromagnetic coil.
- Microscopic controller of HP37 format.
- Capacitor.
- Resistor.
There are a few more resistors, but they are not as important as the main one, located next to the controller in the bottom right corner of the device. The board includes 4 wires that transmit signals from the VAZ-2107 windshield wiper modulator.
VAZ 2107, 2105, 2104 - fuses and relays
VAZ 2107 (Lada 2107) rear-wheel drive sedan which was produced in 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 , 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 and 2012 mainly with gasoline engines ( injector, carburetor ). The VAZ 2105, 2104 models are assembled on a common platform with the 2107, so the design of their blocks is largely the same. In this publication you will find a description of fuses and relays of VAZ 2107, 2105, 2104 with a block diagram and photo examples of execution. Note the fuse responsible for the cigarette lighter. In conclusion, we suggest that you familiarize yourself with the electrical connection diagram of the fuse box.
What to do if replacing the fuse does not help
There are additional faults due to which the device on Kalina may break. These include.
- Bad contacts. Over time or from heavy use, the connection inside the device may become compromised. Incorrect installation of devices leads to loose sockets and poor contact. The fuse trips. This can be treated by bending the metal tendrils on the cartridge, as well as by resoldering the contacts.
- With age, oxides or rust appear on Kalina's cigarette lighter, which has a bad effect on its operation. The situation can be corrected by treating the contact areas with a needle file. It is necessary to clean them and remove all traces of corrosion. Another malfunction is a burnt-out nichrome spiral. It is recommended to replace the device here.
The price of a new cigarette lighter for Kalina is 300 – 750 rubles. When choosing, you need to buy original parts. They must be carefully packaged, and quality certificates and certificates of conformity must be located inside. When buying cheap Chinese analogues, be prepared for the fact that the fuses may burn out, and the device itself may not work for long and incorrectly.
Where is the wiper relay located on the VAZ 2107?
VAZ 2107 is one of the most common cars in Ukraine. It is famous for its ease of repair and reliability. One of its few problems is the wiper relay that often fails.
VAZ 2107 is one of the most common cars in Ukraine. It is famous for its ease of repair and reliability. All this car needs is the care of the owner, good oil in the engine and gearbox and it will serve faithfully. One of its few problems is the wiper relay that often fails. This leads to the fact that the windshield wipers do not work at all, or their cycling gradually slows down. To restore the functionality of the device, the relay must be replaced, but this is not so easy. This article describes the location of the wiper relay on a VAZ 2107 and the process of replacing it with a new one.
How do wipers work and why are they needed?
The main task of windshield wipers is to create a good level of visibility in bad weather and to clear water and dirt from the car's windshield. Special auto chemicals and the use of the right washer can help them with this. Windshield wipers operate thanks to a special gear motor, powered by the vehicle's on-board circuit. And the relay marked RS-514 is responsible for the frequency of operation. The VAZ 2107 has two wiper operating modes - constant and cyclic, with a pause of four seconds. The efficiency of wipers is directly related to the quality of the battery; you can buy a good battery from us.
The windshield wiper relay, as one of the most important elements of the system, is located under the dashboard, on the left. It is fastened with two screws hidden under the upholstery. The connection is made using a special plug located near the headlight hydraulic adjustment handle. To check the device, the plug must be disconnected and pulled out.
Basic device
Knowing where the windshield wiper relay is located on the VAZ 2107 in the injection and carburetor versions is not enough. To carry out repairs, you should study the principle of operation. This device looks like a black box, inside of which there is a microcircuit and electronic components responsible for the proper operation of the wipers. The microcircuit consists of the following elements:
- electromagnetic coil;
- resistor and capacitor;
- microcontroller HP37.
The connection is made using four wires, through which the wiper motor is controlled.
How to replace the wiper relay
To begin with, it should be noted that in the carburetor and injection versions of the car the relay is absolutely identical. Next, you need to check the functionality of this device. The easiest way is to take a known working device from another machine and connect it. If the windshield wipers work, then the problem is here. In theory, if you have certain knowledge, you can try to restore it by identifying the failed element and replacing it. But if you need to fix your car urgently, the easiest way is to replace the device with a new one. This is very easy to do:
- Remove the negative terminal from the battery, de-energizing the entire on-board network of the vehicle.
- Unscrew 2 screws.
- Take out the plug, put it on the new device and screw it into place.
How does the wiper relay work?
The operation of the windshield wiper involves a chain of elements, which includes an electric motor, a fuse, a power button and a relay. The latter performs the most important function, managing the entire process. It functions as follows:
- When you press the power button, power is supplied to the relay, the contacts inside close, the coil turns on and the wiper gear motor starts working.
- Over the next 3 seconds, the bimetallic plate inside the device heats up, and the power from the electric motor of the VAZ 2107 windshield wipers is lost.
- After this, the panel cools down quickly enough and the wipers start working again.
- If the delayed operation mode is turned on, the main resistor distributes the electromotive force so that the delay necessary for the cyclic operation of the wiper is formed.
As you can see, the scheme is quite simple, and almost all repairs come down to replacing failed components with new ones, so you can do everything yourself.
What is a windshield wiper relay and its purpose?
Let's start with the fact that the wipers on the VAZ-2107 are driven by a 12V DC electric motor. But the engine alone would not be able to provide such pendulum operation of the wipers. In addition, such an electric motor has high power, and therefore a considerable amount of direct current. To reduce the current in the windshield wiper switching circuit, a relay of type RS-514 is installed, which also performs the function of periodic operation of the wipers. The VAZ-2107 car has two modes of movement of the wipers - without interruption, and at intervals of four seconds.
The device is located in the driver's seat area under the dashboard on the left. It is attached directly to the body of the VAZ-2107 car using two screws and is located under the upholstery. A wire with a plug for connection comes out of the relay. The connector where the plug is connected is located on the dashboard near the headlight hydrocorrector control. You can only get to it from below, and you can find the correct plug by disconnecting the supposed one and checking the operation of the wipers; if, when you turn the lever to position 1, the windshield wiper is not activated, then the device is turned off.
What does it consist of?
On the outside, the windshield wiper relay is a small black box with an outgoing wire up to 15cm long. If you take it apart, there is an electrical board inside on which electronic elements are located. They are assembled according to a certain pattern, which determines its performance. So, as can be seen in the figure, the relay consists of the following main parts:
- Electromagnetic coil;
- Microcontroller type HP37;
- Capacitor;
- Resistor.
These are the main elements, as can be seen in the photo, there are also some resistors, but the one located near the controller at number 4 plays an important role. Four power wires are connected to the board, through which signals are transmitted from the relay.
How the device works
The windshield wiper operates via an electric motor, relay, fuse, switch and 12V power. Current is supplied to electromagnetic coil 1, located on the printed circuit board, when the wipers are turned on. The coil includes a movable armature, a winding and closing upper and lower contacts. The coil, having received power, pulls the armature away from the core, thereby opening the upper contacts, and the lower ones close accordingly. At the base of the coil there is a bracket with a bimetallic plate. This plate is wrapped with thin nichrome wire through which current flows. The current accordingly heats the plate and it bends, opening the contacts. After a while, the plate cools down and returns to its previous position. When the contacts open, an emf is induced in the coil. To suppress this electromotive force, a 62 kOhm resistor is connected parallel to the winding (located near the controller in Figure 1, number 4).
Operation scheme: power is supplied to the relay, in which the contacts are closed by triggering the coil, the electric motor receives power and is activated. In 1-3 seconds, the bimetallic plate heats up and fires, turning off the power from the motor. When the wiper blades have returned to their original position, the plate has cooled down and is activated again. Resistor 4, which cuts off the self-induced EMF, creates the same delay pause that determines the frequency of operation of the wipers. This is how the windshield wiper moves.
Tensioning the alternator belt on a VAZ classic with “two fingers”
This modification was trially implemented on the injection classic VAZ-2107, but will also fit any other classic, regardless of the model and type of engine. At one fine moment on a frosty winter morning, I noticed that the voltmeter on the dashboard refused to show normal battery charging and the car made a characteristic whistle when driving, this whistle cannot be confused with anything - the generator belt was whistling! The wretch's tension loosened. That same day I went to a service station, two oily car mechanics, using a crowbar, a crooked cardan wrench and such and such a mother, tightened the belt...
VAZ CLASSIC Maintenance
If the wipers stop turning on
When the VAZ 2107 windshield wiper stops working in both positions of the mode switch, you should start looking for the fault with the wiper fuse. It is installed in the electrical network to protect it from overloads that occur during malfunctions, short circuits or increased load on the wiper motor. If the fuse is working, you should check its contacts. Often they are highly oxidized and prevent the passage of current. Cleaning the contacts is simple - you need to remove the fuse and clean the contacts with a knife, screwdriver or sandpaper. Usually these actions are enough, but sometimes the reason lies in a malfunction of the relay, switch or motor. But more on that below.
Windshield wiper device
Before repairing faulty wipers, you need to understand their design features. The main components of wipers are:
- Electric motor.
- Electric washer pump.
- Circuit breakers.
- Control relay.
- The switch is a three-position switch that regulates the speed of the brushes.
- Brushes.
Actually, this is what cleaning the windshield from rain, dirt and dust in the summer is based on. If the wipers of the VAZ 2107 do not work, then the cause of the breakdown must be sought in one of the listed elements. What are the main types of malfunctions, we will consider further.
Possible windshield wiper malfunctions
The main types of malfunctions include the following reasons:
- the switch has failed, which happens in frequent cases;
- the fuse has blown, which could have happened as a result of an overload of the electric motor, water getting on it or overheating of the wiring;
- poor circuit contact or lack thereof;
- windshield wiper motor malfunction;
- breakdown of the VAZ 2107 windshield wiper relay.
If the breakdown consists of a blown fuse, then replacing it will not be enough; it is also necessary to find the true cause of such consequences. Next, we will consider the main types of wiper malfunctions on the VAZ-2107 with a detailed description of their solutions.
The wipers stopped turning on
If the wipers on a VAZ-2107 do not work in two switch positions, then the reason is most likely hidden in a blown fuse. This element is located on the fuse block and serves to protect the circuit from overloads and short circuits.
Checking the fuse is the first thing you need to start repairing. To check, you should use a tester, or simply exchange it for a known good one of the same rating. In rare cases, fuse contacts may oxidize and need to be cleaned and replaced.
Windshield wipers do not operate in intermittent mode
If a situation arises in which the wipers do not function in interrupt mode, then the breakdown should be looked for in the wiper relay. The cyclic operation of the products is ensured by closing and opening the contactor of the control relay. To check, we try to supply power to the relay block. In practice it looks like this:
- the relay is removed;
- use the switch located near the steering wheel to turn on the wiper switch;
- Using a tester, you need to check whether there is voltage at the terminal.
If there is no power, the switch needs to be replaced. The reason may be a break in the control circuit, so it is necessary to find and eliminate this defect. If there is power, but the relay does not operate, then it needs to be replaced. The relay cannot be repaired, so it only needs to be replaced.
The electric motor of the cleaner does not function
If the electric motor does not work, but there is voltage at its contacts, then the problem is in the device itself. This could be wear on the brushes or failure of the windings. The brushes wear out over time, and the winding fails when the motor is overloaded. These products can be repaired, but for this you need to contact a workshop.
Schematic diagram of a glass cleaner on a VAZ 2107
- fuse;
- wiper motor;
- windshield washer motor;
- relay and fuse box;
- washer switch (water supply to glass);
- three-lever cleaning speed switch;
- VAZ 2107 cleaner relay. Type RS-514. Its mounting location is under the dashboard on the left, attached directly to the body;
- egnition lock;
The standard wipers on the VAZ 2107 operate in intermittent and continuous modes. If they do not work at all, then first we do the simplest thing: before starting repairs, we check the fuse and the degree of oxidation of its contacts in the mounting block (location F2 for 10 A). The fuse is shared with the washer pump motor. So if the fuse is at fault, then water will not splash on the glass
When changing a fuse, pay attention to the size and color.
If the wipers do not work in rare rain mode, then most likely the relay in the mounting block or the steering column switch itself is to blame. The diagram shows that if there is power on the wire suitable for the relay and the control light is on, or the ammeter deflects the arrow, then the relay is at fault, adjustment will not help, replacement is needed. If there is no current, then there is an open circuit in the steering wheel, and the switch is to blame.
Why did the wipers stop not at the base of the windshield, but “just anywhere”? The gearbox is to blame for this. What should we do with it?
Replacing the gearbox is an alternative, since due to its design, adjustment and repair are difficult, and spare parts are not sold; repair and replacement of its parts (although the size allows) is not carried out, with the exception of the gearbox gear.
What are the most common reasons why a gearmotor fails?
In winter, the wipers of the classic and VAZ 2107 often freeze to the glass after work, since it was warm in the cabin. Sometimes the next morning the driver tries, either by accident or because he is too lazy to get out, to “at random” move them from their place using the cleaning lever.
When stationary, the load on the motor sharply increases, since normally the heat generation scheme is compensated by conversion into mechanical energy, and when the shaft is stationary, the motor burns out very quickly. It is then that repairs are required, or rather, replacement of the gearmotor; adjusting it does not make sense.
Let's look at how this is done on a VAZ 2107.
We unscrew the wiper levers with an open-end wrench, size 10 or a socket head, then carefully remove the levers from their seats, having first bent them./
Using an open-end wrench (size 22 mm), unscrew the trapezoid attachment points and remove the plastic bosses - inserts:
After this, carefully remove the rubber profile - seal on the hood, and disconnect the power supply to the wiper gearbox:
then we pull it and the wire out of the special hole in the body under the seal, unfold the cover, which performs a protective function, on the motor...
and unscrew the gearbox mounting nuts, size M10. The most convenient way to use a wrench is:
now you need to remove the bracket with the rods going to the lever drives together with the gearbox; you need to press the protrusions of the levers inward
They fall down, and after shaking a little - twisting carefully in different directions, the job is done!
All that remains is to disconnect the gearbox and crank using the end nut (size 10 mm), and also unscrew the 3 nuts with which the trapezoid (bracket) is attached to the gearbox, now you can replace the motor.
In conclusion, we advise: if you have good knowledge of electrical engineering, the circuit diagram is no secret to you and you read it, are comfortable with a soldering iron, you can take on the wipers of the VAZ 2107. Repairing and adjusting them will not be difficult for you; if not, then actions such as replacing the gearbox and fuse, as well as the relay are quite accessible to you.
How to replace the wiper relay?
To replace this relay, you need to move or completely remove the dashboard. To do this, you need to remove the plastic covers from the interior heater control levers.
Then you need to remove the plastic plug located on the right side of these levers.
Now you need to firmly grasp the right side of the tidy with your hands and gently pull it towards you.
To get a little more space, you can wedge the tidy by inserting an object into the space between it and the panel. If you don’t have the skill to replace the relay with the instrument panel removed, you will have to remove it completely. To do this, you need to unscrew the speedometer cable, remove the econometer tube from the fitting, and also disconnect the chips with wires.
Attention! Before dismantling the blocks with wires, you need to remember how they were connected, and even better, take a photo so as not to confuse them when connecting.
Now unscrew the nuts securing the wiper relay to the car body, disconnect the chip and pull it out. This relay can be mounted with one bolt or two.
Now we connect the chip to the new relay and assemble the panel in the reverse order.
Fuse and relay box
The main block with fuses and relays is located under the hood and can be made in 2 versions (old and new). The current diagram will be printed on the block cover.
Scheme
Installed on cars of early production years, here the fuses are cylindrical.
Scheme
Description
Circuit breakers
| 1 | 8/10A Heater motor Reversing light lamps Rear window heating switch on Rear window heating switch relay (winding) Rear window wiper motor (2104) Rear window washer pump motor (2104) |
| 2 | 8/10A Windshield wiper and washer motor Headlight wiper and washer motor Windshield wiper relay Headlight wiper and washer relay |
| 3 | 8/10A Reserve |
| 4 | 8/10A Reserve |
| 5 | 16/20A Rear window heating element and heating relay |
| 6 | 8/10A Cigarette lighter Socket for portable lamp Clock |
| 7 | 16/20A Sound signals Signal relay Electric radiator cooling fan relay (contacts) Radiator cooling fan electric motor |
| 8 | 8/10A Hazard switch with warning lamp Relay-breaker for direction indicators and hazard lights Turn signal indicator (in hazard mode) Turn indicators (in hazard mode) |
| 9 | 8/10A Generator Voltage Regulator |
| 9 | 8/7.5A Rear fog lamps and their indicator |
| 10 | 8/10A Turn signals (in turn signal mode) Relay - turn signal switch Turn signal indicator Pneumatic valve control system Tachometer Fuel gauge Fuel reserve indicator Parking brake indicator Insufficient oil pressure indicator in the engine lubrication system Coolant temperature indicator Voltmeter Service brake emergency indicator systems Battery charge indicator Carburetor air damper closed indicator Electric fan relay (winding) Electric fan thermal switch Generator excitation winding (generator 37.3701) |
| 11 | 8/10A Interior lamp Brake lamp Luggage compartment lamp |
| 12 | 8/10A High beam headlights (right headlight) Relay for windshield wipers and headlight washers (relay coil) |
| 13 | 8/10A High beam headlights (left headlight) High beam indicator |
| 14 | 8/10A Front side light (left headlight) Rear side light (right light) License plate lights Engine compartment lamp Side light indicator |
| 15 | 8/10A Front side light (right headlight) Rear side light (left light) Cigarette lighter lamp Instrument lighting lamp Glove box lighting lamp Clock (lighting lamp) |
| 16 | 8/10A Low beam headlights (right headlight unit) Relay for windshield wipers and headlight washers (relay coil) |
| 17 | 8/10A Low beam headlights (left block headlight) |
| 18 | Spare |
| 19 | Spare |
| 20 | Spare |
| 21 | Spare |
Relay
| K1 | Relay for turning on the heated rear window (904.3747-10 / 2105 -3747210-18, 2107 -3747210-12) |
| K2 | Headlight cleaner and washer relay (904.3747 / 2105 -3747210-08, 2107 -3747210-02) |
| K3 | Relay for turning on sound signals (904.3747-10 / 2105 -3747210-18, 2107 -3747210-12) |
| K4 | Relay for turning on the electric cooling fan (not used since 2000) (904.3747-10 / 2105 -3747210-18, 2107 -3747210-12) |
| K5 | Relay for high beam headlights (904.3747-10 / 2105 -3747210-18, 2107 -3747210-12) |
| K6 | Relay for low beam headlights (904.3747-10 / 2105 -3747210-18, 2107 -3747210-12) |
VAZ-2107 fuses
F1 (10 A) - lamps in the reversing lights, heater (heater electric motor), heated rear window . If your reverse light does not work, check this fuse, then the lamp itself, and it may also be the reverse light switch (on the rocker or gearbox). If the heater does not work, but this fuse is intact, the fault may be in the wiring or in the heater motor itself, as well as in the switch on the panel.
F2 (10 A) - electric motors for windshield wipers, headlight cleaners, windshield washer pumps and headlights . If the wipers or washer do not work, check this fuse and connector 1 for the relay. A relay or jumper must be installed in it. It could also be the wiring or the wiper motor itself.
If the windshield washer does not work, check the fluid level in the washer reservoir. In winter, poor-quality or untimely replaced fluid can freeze in the washer system pipes. The washer nozzles may also become clogged. Or the issue may be in the pump itself (located in the washer reservoir), if, for example, it has already served its purpose or was often turned on without windshield wiper fluid.
F3 (10 A) - reserve
F4 (10 A) - reserve
F5 (20 A) - rear window heating element and relay contacts for its activation . If the rear window heating does not work, also check relay R1. If the relay and fuse are working, check the tightness of the connection on the contacts of the heater and the integrity of its elements (no breaks).
F6 (10 A) - cigarette lighter, clock . If the cigarette lighter does not work and this fuse is intact, the problem may be in the contacts of the connector itself. Disassemble the panel with the connector to access the contacts and check their condition.
Lada "Niva"
- Dashboard Niva Chevrolet
- Replacing side and turn lamps
- Replacing dashboard light bulbs Niva Chevrolet
- Removing the VAZ-2121 stove motor
- Making a Jeep out of a Niva
- Fuse box Niva Chevrolet
Repair of electric wiper motor
As mentioned above, difficult operation of the purifier may be caused by a malfunction of the engine. This is usually due to the fact that the lubricant in the bushings accumulates friction products over time and becomes very thick. The engine rotor begins to spin with difficulty, which leads to burnout of the winding or burnout of the commutator lamellas.
Secondly, when the wipers do not work completely when there is voltage, this is wear on the electric motor brushes. In some cases, with a slight blow to the engine, it began to work.
Below watch a video on replacing the wiper motor:
In cases where the windshield washer does not work, the motor is usually faulty. To check it, measure the voltage on the “+” yellow-black wire, if not, check fuse F2. If there is voltage, then use a piece of wire to connect the “-” black and white wire to the car body. The engine must spin, otherwise it is faulty.
There is nothing difficult in eliminating the described breakdowns. The necessary operations can be performed by any car enthusiast who knows a little about the design.
Features of removing the windshield wiper motor and trapezoid on a VAZ 2106
The first step is to disconnect the power plug from the wiper motor. To do this, disconnect it by pulling the ends to the sides with a little force:
Now you need to slightly lift the rubber of the hood seal from one edge, as is clearly shown in the photo below:
And after that we remove the wire with the plug from the slot in the body of the VAZ 2106:
Now you can unscrew the mount of the motor itself by slightly lifting the protective cover:
Then press on the slotted pins so that they fall inward. And we try to remove the windshield wiper motor, turning it from side to side to find the optimal position for removal:
Everything is ready; if necessary, we replace the entire mechanism along with the trapezoid. Again, I repeat, very few VAZ 2106 will have to undergo this procedure, since the entire structure is quite reliable.
