Lada Granta missing turn signals, emergency lights are working

Lada Granta turn signals do not work

Hello everyone, today we will look at the main reasons why turn signals on a Lada Granta do not work.

The K5 relay, which is installed in the mounting block, is responsible for the blinking of the lamps in this car. But this is not the case in all trim levels; for example, on a luxury Grant, a microcircuit installed in the central unit of the body electronics is responsible for the blinking of the turn signals.

According to statistics and reviews, the operation of turn signals is most problematic in the luxury configuration. Now in a little more detail, in this configuration a microcircuit was installed in the central unit, which is responsible for the operation of the turn signals, but, unfortunately, it did not have a voltage reserve. And this could lead to a short circuit and the turn signals, roughly speaking, would freeze and continue to light even when the ignition was turned off. It was possible to turn it off only after disconnecting the battery, or rather the negative terminal. This problem can be resolved by replacing the central unit.

In the standard and norm configuration, it is much easier to find the reason for the failure of the turn signals. Relay K5 is responsible for the operation of the turn signals, and the entire circuit is protected by a fuse. And as you may have guessed, if the turn signals or hazard warning lights fail, we begin the search with the turn signal fuse. If it burns out, then we replace it with a new one; if it’s intact, we continue searching in relay K5, you can try replacing it with a new one.

The next reason is the burnout of one of the light bulbs, in which case you need to replace the light bulb with a new one. The instrument panel will help you find out that the light bulb has burned out; the turn signal arrow will begin to blink at twice the frequency.

Well, that's all, we looked at the main reasons why turn signals on a Lada Granta do not work. Bye everyone.

Source

Checking the serviceability of the fuse

This is the next stage of action when the turn signals of the Lada Grant do not work. Now open the mounting block. It is located on the left side of the dashboard. There you will find 32 fuses. For standard cars, the fuse we need is marked F6, which also serves the reversing light.

A malfunction is determined by a burnt-out hair, but it is not always possible to confine yourself to just a visual inspection. Therefore, you need to replace it with a new one. If the old one was faulty, then it is necessary to check the entire circuit (after all, it didn’t just burn out). To do this, you will need a multimeter or a test lamp. For example, the right turn signal of the Lada Granta does not work. You need to ring all the bulbs in this circuit and find a short circuit. The next step is Lada Granta turn signal relay.

Grant's turn signals do not work

Good afternoon. The turn signals in Grant stopped working. Tell me where to look for the cause of the breakdown?

The engine does not start. The battery power has completely disappeared.

The error is indicated by an open circuit, a short to ground or a short circuit to the on-board network. I checked all contacts and everything is fine. Thanks in advance.

At 15,000 miles the engine stalls while driving. After a short pause, it starts again and after a few km everything repeats. During the 15,000 km maintenance, a malfunction was reported, but...

Hello! Please tell me, I changed the oil and the light stopped burning when the ignition was on.

When the turn signals on a Lada Grant do not blink, there can be only 5 reasons:

The turn signal fuse has blown;
Light bulbs burned out;
Relay failed;
The steering column switch has failed;
Lost power or mass.

In order to determine why the turn signals on the Lada Granta do not work, do the following:

First, check the fuse in the mounting block, which is located inside the car (near the driver's left knee). The turn signals (as well as the rear running lights) on the Grant are controlled by fuse F6 at 7.5A. Please note that in rare cases it is not possible to visually determine whether a fuse is blown or not. In order to accurately resolve the problem with the fuse, you need to replace it with a new one. The required fuse is marked in the photo below.

Check the light bulbs yourself. If one of the lamps burns out, the direction indicator on the instrument panel will blink twice as fast on the side where there is a breakdown. In order to be sure that the lamp has burned out, you need to remove it and inspect it. As a rule, in an incandescent lamp you can clearly see when the tungsten filament burns out.
Check the turn signal relay. The main sign of failure is when, after turning on the turn signal, it blinks 1-2 times and then stops or lights up but does not blink. In order to make sure that the problem is probably in the relay, it needs to be removed. Next, apply 12V to it, if the relay clicks, it means it is working properly. Please note that the relay may click 1-2 times and then stop working, check that it works 10-15 times in a row. The relay is located in the mounting block in the cabin under the marking K5. It is marked in the photo below.

If the steering column switch is damaged, the turn signals may disappear from time to time. For example, if you turn on the turn signal, it works for 10 seconds, then does not work for 3 seconds (or is constantly on) and then continues to work. Along with turn signals, there are often problems with turning on the high beams. Please note that if your hazard lights are working and your turn signals are not working, then the problem is probably in the switch. It is also worth noting that if the hazard warning button is broken, the turn signals may also not work. If the steering column switch breaks down, it must be replaced as an assembly; it is not repairable.
Using a multimeter, check the power and ground on the connectors coming to the turn signals. If there is no power or ground, you need to look for an open circuit according to the wiring diagram. Also, in rare cases, the problem may be in the mounting block in the relay or fuse contacts. Below is a diagram of the turn signals on the Lada Granta.

On a note! On the Lada Granta (Lux), the turn signals may not work due to the failure of the TsBKE unit.

This block is responsible for a number of options related to electronics and turn signals are also included here. As a rule, a malfunction of the unit manifests itself in the fact that only the Grant's left turn signal does not work on the car or the right turn signal does not work.

In case of such a malfunction, it is most often recommended to replace the complete unit and its price is about 7,000 rubles. In most cases, it is not the entire unit that fails, but only the dual key BTS 5242-2L. Below in the photo there are two keys that are responsible for the right and left turn signals and, accordingly, the emergency lights.

To repair, you need to purchase keys from a radio store and re-solder them. The unit will work no worse than new. The price of the keys is about 300 rubles. It’s just hard to find it in a radio store, it’s even harder to re-solder, you need a hair dryer or a soldering station.

Source

Self-diagnosis of car lighting devices

There are several situations in which you can determine that optics need diagnostics:

The turns do not flash, but light up. Such a malfunction indicates the failure of the relay, in particular, we are talking about its electromagnetic component. The electromagnet itself could close in one of the positions, as a result of which it cannot return to its initial state.
The turning lights flash very quickly or very slowly. In this case, the problem may lie not only in the relay. In some cases, this type of malfunction occurs when the driver uses inappropriate lighting sources. So when purchasing new light bulbs, you need to make sure that they correspond to the rating set by the car manufacturer.
The optics don't work at all. That is, the turning light bulbs do not flicker, and the corresponding indicators on the dashboard also do not light up. In addition, there are no characteristic clicks that appear when turning on the turning lights. With such symptoms, there can be many reasons for the problem; we will tell you more about their diagnosis below (the author of the video is the Steel Horse channel).

As for diagnostics, it is performed in several stages:

First of all, you need to make sure that all sensors and indicators on the device are working. If they do not function, then it is necessary to diagnose the safety devices.
If all devices are operating in normal mode, then you next need to turn on the light alarm button and diagnose all light sources in the headlights. That is, check the front, rear, and side (if any) lights.
If the alarm does not function when activated, you need to check the functionality of the relay, and also check the power supply at the terminals. To do this, remove the relay from its mounting location, and then, using a test light, connect one of its contacts to the installation site (to the positive), and the other to the car body or battery. There is no need to turn on the ignition. If there is no power, then most likely the reason lies in a failed safety device, a broken hazard warning button, or a damaged electrical circuit. Also, the essence of the problem may lie in poor contact in the connecting plugs.
If there is a plus on the contacts, then try shorting the two relay terminals using copper wiring. If all electrical circuits, as well as the connection plugs, are working properly, then all turn signals should light up. In this case, the fault must be looked for in the relay.
If the lights do not light up after the steps you have performed, then most likely the cause of the malfunction lies in the emergency light control button. However, in practice this happens quite rarely; there is often a short circuit in the circuit. By the way, it is a short circuit that can lead to a breakdown of the relay, therefore, before replacing the failed element, you need to eliminate the short circuit.
If the emergency signal is functioning, this indicates that the safety devices and relays are working; accordingly, you need to start diagnosing the button itself. First of all, you need to diagnose the positive terminal, as in the case of checking the relay, while the ignition, as well as the hazard warning button, must be activated. If the diagnostics showed that there is no plus, this indicates that the button itself needs to be checked in more detail. Remove it from its seat and check the connection circuit. If there is no power, then you need to look for a break in the wiring from the tidy to the button itself. If there is power, then you will need to short-circuit the terminals at the installation site, the ignition does not turn off, after which you need to activate the direction indicators (on either side). When the lighting sources are turned on, the control button must be replaced, but if there is no power, then you need to check the power in the emergency relay. If there is no power, the problem most likely lies in a break in the connecting electrical circuit from the control key to the block with safety devices.

Lada Granta missing turn signals, emergency lights are working

To the beginning of the forum
Forum Rules
Old design
FAQ
Search
Users

The hazard warning button also affects the turn signals. it was so

My connector came off from the turn switch (which is on the steering wheel). Try to stick it in.

it seems that if the horn is buzzing, then it has nothing to do with it.

People, help. I went to work in the morning, everything worked perfectly, all lane changes, turns - the turn signals were blinking normally, I took a turn into the parking lot at work - it didn’t work, not left, not right, the emergency lights were fine, what to look at. I think it’s the paddle shifters or some kind of contact, but I want to know specifically. For about a minute, before turning to work, I skidded off the brakes from :*%?%, who considered himself the king of the road and simply rushed across me without showing a turn signal :ooo:

I have a similar problem and can't figure it out. When you turn on the turn signals, the bottom of the panel (high carb) the lights begin to blink (suction, oil pressure, etc.) and the radio flickers. But when you turn on the emergency lights, there is no such thing. Where to dig.

Moderators, please delete the repetitions, there are problems with the gateway on the site, so it was updated

This applies to the VAZ 2115; for other cars the check will be slightly different.

I also had a problem with turn signals. The hazard lights work, but the turns do not. I went to the service. At first they said the relay, but I changed it, then they said that the fuse in the emergency lamp had blown, but it was new. Then they removed the CY and said that the diode bridge under the relay had burned out, but this also confused me and I told them to dig further. As a result, when they screwed the crank back in, they began to pull the wiring that goes from the crank to the steering wheel and VOILA, everything worked!

Then the problem repeated itself again when I was doing something in the torpedo. The solution was the following: I pulled the wires and everything worked.

Source

Additional trunk release button in the cabin

For some reason, the manufacturer did not implement the function of opening the trunk from the driver’s seat on the Chevrolet Cruze, which causes some confusion among car owners. To solve this problem, you can install a key from another car, but despite all the functionality, such a part looks like an alien element and spoils the interior of the cabin.

In this case, solutions from the Chinese electronics industry come to the rescue. Especially for the Chevrolet Cruze, on resources like AliExpress, you can order a trunk release key in the center console of the car. The advantages of this part are that it is made symmetrically to the standard Chevrolet Cruze central locking button and is equipped with backlighting. This key is installed instead of a plug on the right side of the console.

The procedure for installing and connecting the additional trunk button is as follows:

the cover and frame of the gearshift lever are removed;
the edging of the center console, the panel with air ducts and the lower compartment for small items are dismantled;
the heater control panel fasteners are unscrewed;
the panel is removed and turned over with the buttons facing down;
on the back side of the panel, unscrew two self-tapping screws and remove the plug;
a button with wiring is installed in its place;
the yellow wire from the trunk release button is connected to the yellow wire of the central locking button block;
the red wire from the button is connected to the pink connector located on the right under the center console on the passenger side (to the yellow wire with a blue stripe);
The black wire (ground) is connected to the car body.

Assembly is carried out in reverse order.

If the Lada Granta turn signals do not work

During the operation of the car, the driver may encounter various malfunctions. In some cases, it is advisable to contact a service center for repairs, in others, for example, you can deal with a breakdown of Lada Granta turn signals yourself.

If you encounter a problem with your turn signals, follow these instructions:

1. The first thing you should check is whether the turn signal lamps themselves have burned out.

2. Check the “ground” and “power” on the contacts of the turn signal connector using a multimeter or a test lamp.

3. Check the integrity of the turn signal fuse in the mounting block. On the Lada Granta this is fuse F6, which also applies to the reversing light. In some cases, a faulty fuse cannot be identified visually, so replace the fuse to check the turn signal operation in any case.

4. The turn signal relay is also responsible for the operation of the turn signals, which on the Lada Granta is marked K5. Replace the relay with a known good one.

5. On the Lada Granta Luxury there may be a malfunction in the electrical package control unit (central body electronics unit - TsBKE). This block is responsible for a number of functions, including the operation of direction indicators.

6. Check the integrity of the wiring using the Lada Granta electrical diagrams.

Let us remind you that there are other problems that Lada Granta owners face, for example, power windows do not work.

Source

Checking the serviceability of the fuse

Turn signal diagram

The turn signal circuit differs from the usual one, where a relay and a fuse were used. The function of the turn relay can be performed by the central body electronics unit (CBEC), which is located under the panel next to the ECU. It receives input (negative) signals to contacts (X2-7 and X2-8) from the steering column switches and the hazard warning button. At the output, the TsBKE block forms “pluses” on the contacts (X1-14 and X1-15), which go to the light bulbs in the headlights and lanterns. The clicks of the turn signals are not produced by the relay, but by a buzzer on the unit board.

Video

How to diagnose a faulty turn signal, see below:

Optics play an important role when driving a car - any malfunction of the lights can create an emergency situation on the road. Turning lights are no exception, they are used both to indicate the direction of turn and for emergency lighting. It is about turn signals that we will talk today in this article, and to be more precise, about their malfunctions.

The design of turning lights is quite simple - wires are connected to the lamps through a fuse and a relay. The relay is turned on by the hazard warning button or the steering column switch. As a rule, a separate relay is installed for each direction of rotation, and a separate one for the emergency lights. Symptoms of malfunction vary in each individual case.

Causes of malfunctions in the operation of turn signals

Approximate procedure if the turn signals fail:

Check the serviceability of the lamp (if it is burnt out, the indicator in the instrument cluster will blink twice as often). If necessary, replace the lamp with a new one;
Check the “grounds” that are located next to the headlight unit and flashlight. Clean the terminals;
Check the steering column switch (example: the contact is stuck and the turn signals do not turn off). Replace it with a known good one, or check it by closing the contacts of the block 49a and 49aL (for the left) or 49a and 49aR (for the right). If the turn signals work, there is a fault in the steering column switch;
Check the hazard warning button in the same way;
Check the wiring to the electrical accessories control unit (example: the rear wall of the radio tape recorder rests against the wires that come from the emergency lights and contact is lost);
Check for the presence of a “plus” on the TsBKE block (X1-14 and X1-15);
Check the wiring from the TsBKE to the lamps. Disconnect the block with wires X1 and apply power through a 5A fuse to pins 14 and 15 of connector X1. (example: if the left or right turn signals do not work, then it is possible that when installing the wing, a self-tapping screw got into the wiring harness and caused a short circuit).
The reason is the alarm (for example, the diodes are burned out or the relay is stuck). You should disconnect the alarm connection points to the electrical package control unit and check the operation of the turn signals;
CBKE does not work. Check fuse F31. If there are malfunctions in the operation of the CBKE (example: the left turn signal is constantly on), then you should contact a service station to repair or replace it. In some cases, the reason for the failure of the turn signals was poor contact in the CBKE; the problem was solved by simply turning the unit upside down.

To restore the operation of turn signals without replacing the TsBKE

owners install turn signal relays.

Have you encountered a problem when the turn signals on a Priora, Grant or Kalina 2 do not light up?

Source

Headlights

Everyone remembers that driving with faulty lighting devices is prohibited. However, if a partial malfunction occurs, many simply continue driving, hoping that the remaining light will be enough for them. This is a dangerous practice that, in addition to a hefty fine, can cause a serious accident, especially in bad weather.

At this point we are not even talking about the complete loss of functionality of one of the headlights, but, for example, about the gradual loss of transparency of lenses or diffusers, untimely adjustment of the light flux, as well as banal pollution.

Always check the functionality of the lighting devices, especially if you are traveling in the dark or in bad weather, carry out all routine maintenance in accordance with the recommendations, and also if there are only the slightest changes in their operating parameters. Even if it’s snowing or raining, wipe your headlights - this will significantly improve the road illumination for at least a few kilometers of your route.

Lada Granta turn signals and emergency lights do not work

Yesterday a client arrived in a Grant with such a malfunction - the left side of the turn signals are stuck, the left side of the turn signals is constantly on and does not turn off. The car is fresh. This problem occurs on VAZ cars with an installed electrical package unit, also known as a body electronics unit, also known as a comfort unit. What exactly does it have to do with Luxury configuration cars, since their turn signal and hazard warning system works through this unit, unlike conventional configurations, which use a conventional relay installed in the mounting block. The reason is precisely in the block, it can be solved by replacing it, or less often by repairing the block, but I don’t do that kind of thing. Therefore, it was decided to reconnect the entire system as on conventional configurations, but the emergency lights WILL NOT work.

Let's go, the first thing you need to do is get to the power supply unit. We remove the steering column trim and the one that covers the mounting block. Next, unhook all the connectors on the steering wheel, remove the steering column switches so as not to damage them. We unscrew the four nuts that secure the EUR and lower it to the floor. Next, unscrew the side screw securing the mounting block, move the block so that it is as convenient as possible to get to the comfort block.

That's it, you won't be able to remove anything else. What we are looking for is located above the mounting block, it is visible, but it is not so easy to get it. We unscrew the bolt securing the comfort block to the body, unhook the two connectors from the end side of the block, they will be black.

If you want to replace the block you will have to take a steam bath, it is not an easy task.

It happens that during the operation of the car minor breakdowns occur in the form of failed electrical equipment. Failure of the instrument panel lights or hazard lights is not so bad. But what if the turn signals fail?

In conditions of increased traffic density on city roads, failure of the turning system is fraught with emergency situations for motorists. Therefore, the issue of maintaining electrical equipment in good technical condition is very important.

The causes of turn signal malfunctions may be:

broken light bulbs in signs;
blown fuse;
faulty turn signal relay.

In each specific case, it is necessary to conduct a thorough diagnosis of possible problems.

Types of problems and troubleshooting methods

The turn signal works correctly if the following indicators are met:

the presence of the ignition on ensures the operating mode;
moving the steering column switch up and down must be accompanied by turning on the turn signal on the corresponding side;
The turn signal should flash at a rate of 60 cycles per minute.

Flashing at a certain frequency
Any other behavior of the turn signal indicates a problem. The most common causes of malfunctions include:

Non-blinking turn signal. The problem requires familiarity with the basic principle of relay operation: the current passing through the lamps leads to heating of the measuring resistor - an element that determines whether a particular lamp needs to be turned on. Consequently, the lamp resistance, different from the nominal one, changes the time the turn signal is turned on: it begins to blink. In this situation, it is recommended to lightly tap the relay (this helps if there is a weak connection or moisture). If you have replaced the relay, but the turn signal does not blink, but is constantly on, then there is poor contact with the fuse block. Replacing a fuse that was found to have a resistance value that does not correspond to the nominal value can also help.

Turn signal light

Stopping the operation of one turn signal is incompatible with a relay malfunction (problems of this type cause the operation of both turn signals to malfunction). One of the turn signals may fail due to a burnt-out light bulb (the simplest option) or a faulty wiring or socket. The new tab must not only fit into the turn signal socket, but also correspond to the power indicated on the lamp

If after replacing the light bulb the turn signal still does not start working, you need to pay attention to the socket. If there are traces of oxidation on it, then you should start removing them

Sandpaper or a needle file works well for this. And if the light bulb is in too tight contact with the contacts, then you need to bend them with thin-nose pliers. This must be done as carefully as possible, preventing the contacts from closing, which can lead to another problem - the turn signals working in a checkerboard pattern. The normal state of the cartridge means that the cause of the malfunction lies in the wiring. First you need to make sure that the wire is securely connected to the socket. In this case, it is unacceptable for the wires to be closed to each other or to have a ground short to the metal body of the car. In this case, it is necessary to replace the wires or at least insulate them. If at the same time the hazard lights do not work, then the relay definitely needs to be changed - it is faulty.

Does not burn

Where is the grant turn relay located?

The product is located in a special mounting block of the dashboard. The block contains many fuses and relays that are responsible for the operation of various electrical consumers. The block is protected by a special plastic cover and is located in the left, lower part of the panel, next to the headlight switch. Marking of the turn signal relay on the Grant K5

Broken starter

The starter is responsible for starting the engine, which occurs by igniting the fuel. If the starter fails, you will not start the car. Typically, the starter fails due to wear on the electrical solenoid. It can also break due to wear on the relay. The starter may not work as a result of other electrical failures. Yes, the starter can also be replaced or repaired in advance.

But there is one problem. It is impossible to predict when it will fail. The most you can do is to identify the problem with the starter during routine diagnostics.

Unfortunately, not all service technicians pay due attention to cars.

This is why finding your reputable auto mechanic is so important. Remember that a good car mechanic is the key to the long life of your car.

Remember that a good car mechanic is the key to the long life of your car.

Grant turn signal relay diagram

The general diagram of the mounting block is not particularly complicated and is conventionally divided into 3 areas: - fuse block; — area with installed relays; - an area with operating devices and a fuse responsible for the operation of the heater.

Fuses differ in current strength measured in Amperes. Their markings begin with "F1" and end with "F32". Accordingly, a total of 32 fuses are installed in the module. Rated current varies from 2 amperes to 30.

Relays have designations from “K1” to “K12” and differ in their size and functional purpose.

Machine breakdowns that preclude further operation

In turn, vehicle malfunctions that completely prevent its further movement are divided into two groups:

Damage to the steering that does not allow you to fully control the car.
The brakes are faulty and the vehicle is not braking.

These are serious car malfunctions that do not allow you to fully drive the vehicle. For example, the cause of a steering failure may be a faulty steering rack or broken steering tips, which is why the car does not respond to changes in the position of the steering wheel.

In most cases, brake failure is caused by a broken brake hose. Which leads to a drop in pressure and weakening of the brake pedal. In this case, braking is carried out due to the operation of a single circuit and such braking is not effective.

Replacing the turn relay on Grant

First of all, we find and remove the protective cover of the fuse box (mounting block). To do this, you need to snap off the special latches. It is best to start the removal process from the upper left corner. Pick up the corner of the cover, apply force and remove the fastening clamp from the groove. Pull the decorative element towards you.
After all the latches have come out of the grooves, do not make sudden movements or yank the body of the decorative cover. The thing is that there is a trunk opening button on the body, to which a contact chip with wires is attached. Therefore, in order not to damage the contacts and carry out further work, the chip must be disconnected from the button connector.
After dismantling the decorative cover, we get free access to the mounting block with fuses and relays. Please note that a special plastic puller is provided for removing fuses, which greatly facilitates the entire process of work. To remove the relay, the mounting block contains the same puller, only of a larger size. In addition, on the back (inner) side of the decorative cover there is a diagram with detailed identification of all internal components, which is very convenient when working.
All elements in the mounting block have their own markings. The product called “K5” is responsible for the operation of turn signals and hazard warning lights.
The relays in the block are installed quite reliably and in order to replace them you will need to use some physical force. It is best to dismantle the part using a puller. However, quite often, it is not possible to remove the relay even when using it. The ideal solution for such cases is to use pliers.
Reinstalling the cover is a little more complicated than removing it. Don't forget to connect the contact chip to the connector of the rear trunk release button. We recommend starting installation from the bottom right side. Place the rightmost latch into the hole, then do the same with the central and leftmost latch. After that, move to the upper fasteners and carry out similar manipulations. With a simple push, snap the decorative cover onto the panel.
This completes the removal and installation process.

“Important. If the relays in your car are constantly failing, then there is a reason to conduct a thorough diagnosis of the relevant power supply circuit.”

Timing belt

Unfortunately, the times when automakers universally used a chain drive for the gas distribution mechanism have sunk into oblivion. For the sake of cost reduction, as well as manufacturability and ease of assembly, a belt is increasingly being used in such a critical unit. Of course, this solution also has some advantages - reducing engine noise, but its failure can have fatal consequences. The fact is that at the initial stage, when such technology was just beginning to be introduced, there were other arguments in its favor. In particular, at that time there were no engines designed according to all the canons of downsizing, which is why a sufficiently voluminous combustion chamber made it possible to exclude their contact with the pistons even when the valves hung in the open position.

In addition, the chain also required regular maintenance, gradually stretching during operation, which also forced one to monitor its condition and, if necessary, replace it. So in terms of convenience, there was practically no difference between these drive mechanisms.

In addition, the belt mechanism is equipped with an automatic tensioner, so there is no need for systematic tightening. On inexpensive cars you can still find engines in which a broken belt does not damage the valves or cylinder-piston group. However, it is worth remembering that in the event of such a breakdown, it will no longer be possible to start the engine.

Over the years, the situation has changed; in pursuit of additional power and efficiency, new models have been developed in which mismatch in the operation of the piston and valve mechanisms leads to their serious damage and the need for major repairs. In addition, in some cases, engine overhaul may not be provided for by the manufacturer at all, as, for example, in the PT Cruiser car.

In addition, for a discontinued model, it is almost impossible to find the necessary spare parts. So, if the regulations require replacing the belt, rollers and tensioner, for example, every 90,000 km, do not ignore this procedure.

Changing the lamp

So, we have the following task: Lada Granta turn signals do not work. The first step is to check whether the lamp has burned out. Let's say it burned out. This means it needs to be replaced. The front turn signals are equipped with PY21W lamps; you can purchase a new lamp and replace it yourself.

In order to pull out the lamp, you need to press on the socket and turn it. The direction of rotation depends on which side the headlight is located on. If on the right, then turn it clockwise. On the left - against, of course. Next, it should be pulled out of the cartridge. To do this, press the lamp and turn it counterclockwise all the way. Now you can insert a new lamp and return everything as it was.

A W5W lamp is installed in the side turn signal. How to get it? Let's say you are on the right wing. In this case, you need to move the turn signal housing to the right (correspondingly, the left one - to the left) and remove the indicator. The lamp socket rotates counterclockwise. Having taken out the lamp, you can replace it and put everything back together, after inspecting the rubber gasket. If you are not satisfied with it, this is a good time to replace it.

Everything is fine with the lamp, but the turn signals on Grant still don’t work? Let's move on.

What can cause the emergency lights to fail?

In most cases, the emergency lights stop working due to:

• There are faults with the LED strips.

• Failure of rotary relays.

• There are faults with the switch, which is located on the steering column.

• Damage to electronic components of the system.

• The presence of malfunctions with indicator lamps that are located on the dashboard of the car.

To independently find and eliminate the cause of the problem, you need to familiarize yourself with each malfunction.

Do-it-yourself repair of direction indicators and hazard alarms

If the turns disappear, as well as the car’s emergency signal, then you can try to solve this problem yourself:

If the safety element and relay break down, the failed parts must be replaced. If the reason lies in a short circuit, then before replacing it is necessary to check all electrical circuits in which it could occur. Only after the cause of the short circuit and power surges has been eliminated, the devices need to be changed.
If the hazard warning button is faulty, you just need to replace it. We have already talked about how to diagnose this part.
As for electrical circuit diagnostics, it is carried out using a tester. If damaged sections of the wire are identified, they must be replaced. When laying them, make sure that the wiring does not come into contact with moving body elements. It is also recommended to additionally insulate new wires to increase the reliability of the insulation.
If the reason is the light bulbs, then all burnt out light sources must be replaced. In the front and rear headlights, the lamps are changed by removing the protection from the headlights, disconnecting the power circuit from the lamp, as well as unscrewing the light source from the seat and replacing it with a new one. If the lamps in the side headlights do not work, then, as a rule, to dismantle the lighting sources, the lamp itself must be pryed off with a screwdriver, then disconnect the power cord and remove the device.
If the reason lies in the steering column switch, then this device needs to be disassembled and checked. As a rule, the cause of switch failure is poor contact or abrasion. In this case, the failed switch is replaced with a new one. As for the contacts (no matter where - on connections or buttons), it is advisable to clean them.
You should also check all the plugs and connectors, because it is quite possible that the problem is poor contact on them. Acidified contacts must be cleaned with a wire brush or sandpaper. If the contacts are burnt out, they will need to be replaced.

Turn switch

Another, no less important, element of the turn signal system is the switch on the steering column. It is usually reliable, but given the frequency of its activation, especially in urban traffic, it often fails.

In order to replace it, you need to remove the plastic steering column protection cover. The switch is usually secured with latches, sometimes with screws. Dismantling is not difficult.

Some craftsmen undertake to repair them. It’s better to change it right away, maybe for a used one, if there is no other option.

Turns relay

Until recently, the main element of turn signal and hazard signal systems was the turn relay. In the middle of the last century, turn relays with a bimetallic plate were used. In some models of budget cars and trucks they are still used to this day. Along with simplicity and low cost, they are more reliable and maintainable. A typical relay circuit is shown in the figure:

This is interesting: What to do and what the fine is if the license plate light does not light up

The core of the circuit is a bimetallic strip. It is included in the circuit of current flow through the turn lamps. When turning on the turns or emergency lights, it is in a non-heated state, and closes the circuit of the warning lights, they turn on. As the bimetallic plate is heated by the flowing current, it changes its geometric dimensions (bends).

A little physics: a bimetallic plate consists of two (bi) bonded plates with different coefficients of thermal expansion. When both plates are heated, one expands more, the other less, hence the deformation. When bending, the plate opens the relay contact, the current stops flowing, the lamps go out, the plate cools down again, the contacts close, the lamps light up, the plate heats up... So ad infinitum. If one of the lamps burns out, the current will be less, the plate will heat up more slowly, and the blinking period will increase. If there is a short circuit in the circuit, the lamps will flash quickly. Everything is very simple, reliable and informative. Such relays have been used for more than half a century.

Nowadays, combined relays with a built-in electronic circuit are used.

Tips for motorists

Passenger cars Lada Granta (VAZ-2190) are produced in three trim levels: normal, standard, luxury. After turning on the turn indicators of the Lada Granta in the norm and standard configurations, the flashing mode of operation of the lamps on the right or left side of the car is provided by the K5 relay installed in the mounting block located in the front panel to the left of the steering column. And in the luxury configuration of the Lada Granta, the direction indicators are provided with a flashing operating mode using a microcircuit (chip) installed in the TsBKE unit (central body electronics unit).

Source