Why does the STOP indicator light up in the instrument cluster of VAZ 2108, 2109, 21099?

Simple cases

The main thing is to notice in time that the feet have failed, before an accident occurs. The most likely and, one might say, common reasons will be the following.

• Light bulb burnout
  . A simple inspection will not give results; outwardly it may seem functional. Take a new lamp that works exactly and screw it in instead of the problematic one. If it lights up, the cause has been found;

Oxidation of contacts directly in cartridges. Detected visually. To clean, the light bulb rotates in the socket several times - the layer gets knocked down and the stops light up. To guarantee, you can unscrew the lamps and go over the contacts with fine sandpaper. In some cases, hopeless damage to contacts is detected; in this case, the cartridge itself will need to be replaced;

• Oxidation of contacts
  in the wire block, which is placed on the terminals of the board (track) of the headlamp. The actions are similar to point 2, only they are done with the block: it is removed and put on again 3-4 times. Or the contacts are cleaned manually;
• Burnt out tracks
  . Visible upon visual examination. There are 2 options: buy a new board and replace the damaged one or restore the existing one by soldering wiring of the appropriate thickness onto the damaged track;
• The brake light sensor (the so-called “frog”) has failed. In the VAZ 2109 it is located under the brake pedal. To check, both wires are removed from the DSS and short-circuited directly with a piece of wire. If the stops work, then we go to the auto shop for a new sensor. If there is no response, we look further for the reason. O in the entire system is the most vulnerable point (except, perhaps, the light bulbs). Many VAZ owners begin their search for the cause of non-working brake lights with it.

We looked at the simplest and most likely breakdowns. Next, brake lights that do not light up require a more serious check.

Installation and repair instructions

If you are faced with the problem of a failure of the dashboard of a VAZ 2109 vehicle, then the best option would be to replace the dashboard yourself. To properly replace, you will need instructions for dismantling and installing the shield, which are given below. To perform these steps, you only need screwdrivers - flat-head and Phillips-head. The instructions are given on the example of a low panel, but in general they are identical for other versions of instrument panels. Don't forget to disconnect the battery!

Unscrew the screws of the shield visor. Disconnect the speedometer cable. Disconnect the ecometer hose.

1. First of all, you need to de-energize the system; to do this, disconnect the terminals from the battery.
2. Using a Phillips screwdriver, unscrew the plastic trim around the steering wheel. You don’t have to remove it, but it is advisable to do so for greater convenience.
3. You can also disconnect the steering column switches by simply unplugging the wiring harness.
4. Using a Phillips screwdriver, unscrew the two small screws securing the dashboard visor and remove this element.
5. After these steps, you can compress the springs and remove the electronic panel from the center console.
6. The next step is to disconnect the speedometer cable. It is necessary to be very careful when dismantling so as not to damage the cable, especially if it is old. Otherwise, it will need to be replaced.
7. Next, turn off the white outlet and remove the econometer hose.
8. Then you should disconnect the cable for resetting the car’s daily mileage data from the speedometer.
9. The final step will be to disconnect the red connector and dismantle the shield itself. A new panel is replaced and installed, after which further assembly is carried out in the reverse order.

As you can see, the procedure for replacing the instrument panel is not particularly complicated - just do everything in accordance with the instructions and there will be no problems in the further operation of the device.

Electrics

Not everyone likes to tinker with it, but if simple reasons have already been ruled out, you will have to deal with the wires.

• Let's start with the fuse
  . The mounting block with them is built under the hood on the steering wheel side. If you have block 17.3722, you need fuse No. 6, if 2114 - F3. We replace the burnt out one and return the whole one back;
• Checking the circuit
  . We look through all the wires, contacts and connections. Let's start with the positive. Pin 30 goes from the generator to the stop signals, the intermediate link is block Ш8. It is the farthest one on the left in the engine compartment, the wires are pink. Next comes the mounting block. We have already checked the fuse, so we pay attention to block Ш4 and the white wire that leads to the brake light sensor. There are no breaks - we follow the red wire to block Ш2, through the mounting block and to block Ш9. If everything is in order here, we check the red wire stretched across the entire interior to the inoperative taillight. After ringing the plus, we turn to the minus. They are represented by black wires coming from the blocks to the headlights;
• The test is carried out with a test lamp, connected with one output to the current terminals, and with the second connecting it to ground. Or you can throw a long wire to the positive of the battery. All broken wiring is replaced, contacts are cleaned and tightened. If, after all the manipulations done, the brake lights on the VAZ 2109 still do not light up, then you have serious problems with the fuse assembly block. It will have to be checked completely, inside and out, since it is unknown where the breakdown occurred.

If you are friendly with an electrician, do the work yourself; if not, go to a service station, it will still be cheaper than buying a replacement: a new mounting block will cost almost 2.5 thousand rubles.

Posts 1 to 20 of 26

1 Reply from kope'ech 2008-12-19 16:58:45

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Re: STOP light comes on

Why is this board needed at all? Those. In what cases should it light up?

2 Reply from Evil 2008-12-19 17:15:57

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Re: STOP light comes on

As far as I remember, the stop light on the OP lights up together with the handbrake, oil and brake. liquid.

3 Reply from kope'ech 2008-12-19 17:35:41

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Re: STOP light comes on

4 Reply from MarkuS_98rus 2008-12-19 17:51:40 (2008-12-19 22:43:57 edited by MarkuS_98rus)

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Re: STOP light comes on

on high, the same thing lights up with one of the three lamps.

As it is written in the book, it lights up if there is insufficient brake fluid level, insufficient pressure in the engine lubrication system and if the handbrake is raised.

as Evil wrote

Everything is correct. The handbrake button may need to be replaced, it may have a short circuit, or the brake fluid level sensor may be acting up.

5 Reply from Driver 2008-12-21 06:04:20

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Re: STOP light comes on

It would then light up together with another lamp (brake fluid level, oil pressure or handbrake)

6 Reply from Evil 2008-12-21 09:50:56

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Re: STOP light comes on

It just doesn't light up. Either the one with which it should light up does not work, or there is a glitch somewhere.

7 Reply from NoVa 2008-12-21 11:40:50

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Re: STOP light comes on

And when I turn on the wipers, reverse gear, lights and something else, the voltmeter starts jumping and the battery stash lights up ((Is it supposed to be like that?

8 Reply from ZenD 2008-12-22 05:57:50 (2008-12-22 06:14:34 edited by ZenD)

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Re: STOP light comes on

And when I turn on the wipers, reverse gear, lights and something else, the voltmeter starts jumping and the battery stash lights up ((Is it supposed to be like that?

Not at all. just a bad wire connection

in general, the voltmeter on the low dashboard is powered by a fuse with headlights and wipers and something else there

It's worth worrying about the current when the light bulb burns brightly and constantly.

9 Reply from Shnaps 2009-04-14 21:25:00

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Re: STOP light comes on

What if the STOP VP lights up dimly while driving? 97 year carburetor brakes are normal, oil seems to be too.

10 Reply from ALL777 2009-06-18 15:28:29

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Re: STOP light comes on

I have a high panel engineer. STOP is constantly on. How can this be cured?

11 Reply from vilatik 2009-06-19 02:37:26

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Re: STOP light comes on

Something together with the stop should burn. Look at that and see for yourself.

12 Reply from ALL777 2009-06-19 05:40:46

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Re: STOP light comes on

I've already looked at everything, all that remains is to try installing a different instrument cluster.

13 Reply from vilatik 2009-06-19 05:52:14

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Re: STOP light comes on

Take your time, you checked this: as it is written in the book, it lights up if there is insufficient brake fluid level, insufficient pressure in the engine lubrication system and if the handbrake is raised.

It’s not a fact that there is no brake fluid level or the handbrake is raised, maybe the sensor or limit switch is jammed.

14 Reply from barsyya 2009-06-19 06:06:48

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Re: STOP light comes on

There is also a pad wear sensor, they installed it on luxury cars,

or the wires from them where the thread sticks out, and short to ground

15 Reply from MaZZ 2009-08-19 10:40:21 (2009-08-19 10:45:37 edited by MaZZ)

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Re: STOP light comes on

I'll raise this thread so as not to create a new one.

21093i 2003, seems like a luxury one. The brake fluid level lamp plus STOP is on. I topped up the brake fluid a little below max, it went out, but after a couple of weeks it came on again. I start it, drive, everything is ok, but as soon as I slow down, it lights up and then stays on constantly. The level in the tank has not decreased. The sensor in the tank does not seem to be stuck, it moves easily, the float floats up. Murzilka is silent, I rummaged through the Internet (and specifically here), but there are no specifics yet.

Question: is this same lamp triggered by current from the sensor in the tank or are there other options (such as wear on the pads, although it seems like another lamp should be on then).

In the message above - “there is also a pad wear sensor, they installed it on the luxes, or the wires from them stick out where the thread is and are shorted to ground” - could this somehow be connected with my lamp?

The car brakes normally. The check engine light is constantly on, but there is no money for diagnostics and repairs yet, I constantly monitor the fluids and temperature and drive like that. Won't I kill anything in the machine?

Instrument cluster

Below we present a diagram and also introduce you to the components of this unit.

VAZ 2109 stop light

A fairly common problem is that the brake lights on the VAZ 2109 do not light up. And it is difficult to call it insignificant: they send a signal to drivers driving behind that your car is braking. Thus, road users are warned, and they themselves, accordingly, reduce their speed.

I didn’t warn you, they drove you into the appropriate place - it’s your own fault. Moreover, you will have to pay not only for your car, but also for the restoration of the car that carried out the collision, since it is its owner who will be considered the injured party. And such a development of the situation in a city with heavy traffic is very likely.

Heavy traffic does not contribute to maintaining a distance of 5 m, as provided for in the traffic rules. Cars move one after another during rush hours: any carelessness can lead to an accident. Moreover, both warning lights may not work, or only one may fail - and in this case, you can consider yourself lucky, there is still a partial warning of the threat from behind.

The brake lights on the VAZ 2109 do not light up for various reasons, from the most trivial to those requiring a thoughtful and more serious examination. Methods for identifying such a malfunction and ways to eliminate it are described in our article.

Simple cases

The main thing is to notice in time that the feet have failed, before an accident occurs. The most likely and, one might say, common reasons will be the following.

• Light bulb burnout
  . A simple inspection will not give results; outwardly it may seem functional. Take a new lamp that works exactly and screw it in instead of the problematic one. If it lights up, the cause has been found;
• Oxidation of contacts directly in cartridges. Detected visually. To clean, the light bulb rotates in the socket several times - the layer gets knocked down and the stops light up. To guarantee, you can unscrew the lamps and go over the contacts with fine sandpaper. In some cases, hopeless damage to contacts is detected; in this case, the cartridge itself will need to be replaced;
• Oxidation of contacts
  in the wire block, which is placed on the terminals of the board (track) of the headlamp. The actions are similar to point 2, only they are done with the block: it is removed and put on again 3-4 times. Or the contacts are cleaned manually;
• Burnt out tracks
  . Visible upon visual examination. There are 2 options: buy a new board and replace the damaged one or restore the existing one by soldering wiring of the appropriate thickness onto the damaged track;
• The brake light sensor (the so-called “frog”) has failed. In the VAZ 2109 it is located under the brake pedal. To check, both wires are removed from the DSS and short-circuited directly with a piece of wire. If the stops work, then we go to the auto shop for a new sensor. If there is no response, we look further for the reason. O in the entire system is the most vulnerable point (except, perhaps, the light bulbs). Many VAZ owners begin their search for the cause of non-working brake lights with it.

Possible faults

What malfunctions are typical for the dashboards of VAZ cars? Check out the main list after watching a video about connecting the shield from a VAZ 2110 to a “nine” (the author of the video is Garage BFS).

1. The speedometer does not work. There may be several reasons for this - a broken cable, its incorrect installation or wear of the socket. You should try disconnecting the cable and reconnecting it.
2. The odometer, which records the mileage of the vehicle, does not work. This problem is usually resolved by replacing the device.
3. One or another indicator does not light up. Perhaps the sensor itself has failed or the light bulb has burned out.
4. The instrument panel backlight does not work. This is usually due to burnt out bulbs or bad contacts. There may also be problems in the electrical circuit, but this happens rarely.
5. The coolant or oil level sensor is giving incorrect information. For example, the driver is warned about a lack of engine fluid level or boiling refrigerant in the expansion tank, but in fact, with these parameters everything is normal. The problem is usually solved by replacing the sensors.

Electrics

Not everyone likes to tinker with it, but if simple reasons have already been ruled out, you will have to deal with the wires.

• Let's start with the fuse
  . The mounting block with them is built under the hood on the steering wheel side. If you have block 17.3722, you need fuse No. 6, if 2114 - F3. We replace the burnt out one and return the whole one back;
• Checking the circuit
  . We look through all the wires, contacts and connections. Let's start with the positive. Pin 30 goes from the generator to the stop signals, the intermediate link is block Ш8. It is the farthest one on the left in the engine compartment, the wires are pink. Next comes the mounting block. We have already checked the fuse, so we pay attention to block Ш4 and the white wire that leads to the brake light sensor. There are no breaks - we follow the red wire to block Ш2, through the mounting block and to block Ш9. If everything is in order here, we check the red wire stretched across the entire interior to the inoperative taillight. After ringing the plus, we turn to the minus. They are represented by black wires coming from the blocks to the headlights;
• The test is carried out with a test lamp, connected with one output to the current terminals, and with the second connecting it to ground. Or you can throw a long wire to the positive of the battery. All broken wiring is replaced, contacts are cleaned and tightened. If, after all the manipulations done, the brake lights on the VAZ 2109 still do not light up, then you have serious problems with the fuse assembly block. It will have to be checked completely, inside and out, since it is unknown where the breakdown occurred.

If you are friendly with an electrician, do the work yourself; if not, go to a service station, it will still be cheaper than buying a replacement: a new mounting block will cost almost 2.5 thousand rubles.

Either two brake light bulbs (in both headlights) or one (in one headlight) may not light up at once. Let's look at the causes of this very common malfunction on VAZ 2108, 21081, 21083, 2109, 21091, 21093, 21099 cars.

1. Check the fuse.

No. 6 for mounting block 17.3722, F3 for 2114. If it burns out, replace it with a new one. Subsequently, it will be necessary to find out the reason for the blown fuse, perhaps a small short circuit somewhere.

2. The contacts in the brake light lamp holders have oxidized.

Rotate the lamp in the socket several times to knock off the oxidized layer. To enhance the effect, you can remove the bulbs and clean the contacts with sandpaper.

3. The brake light bulbs in the headlight have burned out.

In appearance, the lamp may appear to be in good working order. Two lamps can burn out at once. Therefore, we replace the non-burning paw with a known good one and see if it burns or does not burn.

4. The contacts in the wiring block, which is placed on the terminals of the tracks on the headlight circuit board, have oxidized.

We remove and put on the block several times or clean the contacts on the board and in the block.

5. The tracks in the headlight circuit board are burnt out.

We take out the board and visually inspect the tracks. Burnt out ones can be restored by soldering wires to them.

5. The brake light sensor is faulty.

It is located under the brake pedal. We remove two wires from it - white and red and connect them together with a piece of wire. The brake lights are on fire - we change the sensor, no, then we check the electrical circuits.

6. The electrical circuit of the brake lights is faulty.

It is necessary to identify an oxidized contact, a burnt-out wiring or a burnt-out connection in the mounting block. To do this quickly and efficiently, you need to know the electrical diagram for connecting brake lights.

Plus the brake lights come from output 30 of the generator to block Ш8 (the far left one in the engine compartment, pink wires) to the mounting block. Then through the fuse (No. 6, F3) in the block to block Ш4 inside the passenger compartment to the white wire going to the brake light sensor. That is, current is supplied to the sensor through the white wire. Next, from the sensor along the red wire to block Ш2 (second from the right inside the cabin) and through the mounting block to block Ш9 (the large transverse one in the cabin) to the red wire running through the entire cabin to the block of the rear left, and then the rear right headlight.

Minus - black wires coming out of the blocks to the headlights.

You can check the presence of current in the circuit elements using a test lamp - connecting one end to the terminals and the other end to ground. Or by supplying current with a separate wire from the battery positive to the elements of the electrical circuit.

Read more about finding a “break” in electrical circuits: “How to find a break in a car’s electrical wiring.”

Why does the STOP indicator light up in the instrument cluster of VAZ 2108, 2109, 21099?

The STOP indicator lighting up in the instrument cluster of VAZ 2108, 2109, 21099 vehicles with both “low” and “high” panels indicates the occurrence of critical malfunctions.

It is believed that the car cannot be operated further with such faults. You need to turn off the engine, leave the cabin and get to your destination on foot or by public transport.

Let's figure out whether this is really so, using the example of instrument cluster 2108 (“low” instrument panel) of a VAZ 21083 car.

Why does the STOP indicator light up in the instrument cluster of VAZ 2108, 2109, 21099?

There are only three reasons for the STOP sign to light up. They are easy to identify visually. since, together with the display, the malfunction indicator lamp of the system in which the problem arose will light up.

The vehicle's parking brake system (handbrake) is faulty.

The culprit for turning on the STOP sign on a VAZ 2108, 2109, 21099 car may be the limit switch (“frog”) under the handbrake lever. It is installed in the gap in the negative wire of the parking brake indicator lamp and the STOP display. While the parking brake lever is lowered, the moving contact of the limit switch is pressed and the connection with the “ground” (car body) is broken. The warning lamp and STOP display do not light up.

If the driver raises the handbrake, the movable contact (button) of the “frog” is released and pressed against the stationary one. The connection to ground is restored. The electrical circuit for turning on the warning lamp is closed. In the instrument cluster, the (P) icon and the STOP display light up in red, warning the driver that the handbrake is up, the wheels are locked and the car cannot be driven.

If the STOP indicator and the parking brake warning lamp light up when the handbrake lever is lowered or blink, the limit switch (frog) is most likely faulty or the wire from it to the combination touches ground somewhere. Therefore, you need to make sure that the wheels are actually released and drive on, despite the STOP sign that lights up.

Connection diagram of the “frog” (limit switch) of the indicator lamp for turning on the manual parking brake - handbrake on a VAZ 21093 (21083, 21099) car with a high instrument panel

Low level of brake fluid in the reservoir on the master cylinder.

The level sensor is responsible for signaling a critical drop in the brake fluid level. It is installed in the neck of the brake fluid reservoir, connected to the brake system. Its sensitive element, the float, floats in the brake fluid, the level of which is between the min and max marks. In this case, the moving contact of the sensor is not closed with the fixed contacts. When the level of brake fluid in the reservoir drops, the float drops, and the movable contact connected to it closes two fixed ones. The warning lamp circuit in the instrument cluster closes to ground and lights up.

The driver immediately understands that the brake fluid is leaving the system for some reason (perhaps there has been a rupture or damage to the pipes, depressurization of the wheel brake cylinders) and the brakes will not work or will work, but poorly.

In such a situation, you should stop moving and deal with the problem. In some cases, everything turns out to be not so bad, since the level may drop by itself due to evaporation of the brake fluid or wear of the brake pads, in which the brake fluid from the reservoirs has gone into the wheel brake cylinders because the pistons have moved out strongly and more space has appeared in them.

If everything is fine with the brake fluid and the indicator light is on, it is worth checking the sensor itself or its electrical sensor circuit for a short to ground.

Brake fluid level sensor connection diagram

Engine oil pressure has dropped.

If the oil pressure in the engine has dropped significantly, the warning light in the form of an oil can and the STOP display will light up in red in the vehicle’s instrument cluster.

The reason for their operation may be an oil leak through a broken sump or a leaking oil seal, or rotation of the liner on the crankshaft, or a simple short to ground in the sensor wire.

Connection diagram for the oil pressure sensor in the engine of VAZ 2108, 2109, 21099 cars with a low panel

In this case, you cannot operate the car. It is necessary to check whether the wire has jumped off the pressure sensor and if not, then find out the cause of what happened in the workshop.

Thus, we have established that, indeed, if such malfunctions occur as insufficient oil pressure and depressurization of the brake system, it is best to stop driving and continue driving without the car, and subsequently figure out the cause of the problem. However, a malfunction of the handbrake can be ignored and the trip not interrupted.

Notes and additions

— On VAZ 2108, 2109, 21099 cars, a breaker relay was installed in the electrical circuit of the STOP display and when the listed malfunctions occurred, it did not just light up, but blinked along with the lamp.

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More articles on electrical equipment of VAZ 2108, 2109, 21099 cars

— Why does the oil pressure light blink and stay on at idle?

— Pinout of the instrument cluster of VAZ 2108, 2109, 21099 cars with a low panel

— Lamps for the instrument panel combination of VAZ 2108, 2109, 21099 cars

— Brake fluid is leaking, reasons

— Bleeding brakes on VAZ 2108, 2109, 21099 cars

Designation of icons on the VAZ 2109 dashboard

The indicator panel can be divided into 2 parts. The smaller half of the bulbs are mounted centrally at the top of the board. There are indicators on the bottom line of the instrument panel.

1. The meaning of the light is simple - the indicator indicates that self-monitoring diagnostics of the alarms are being performed.
2. Indicates that there are problems in the power plant. If the lamp is constantly on, you need to diagnose the motor.
3. The brake system is in disrepair. Usually the light indicates a drop in fluid in the expansion tank or critical wear of the pads.
4. Coolant level sensor lamp. If it lights up constantly, you need to add antifreeze to the system.
5. The windshield washer fluid has run out.
6. External lighting lamps are damaged. The thread may have burned out or the contact may have broken.
7. The front brake pads are worn to the limit.
8. The oil level in the engine crankcase has dropped. It may also indirectly indicate a malfunction of the oil pump.

The photo below shows the sequence of light bulbs at the bottom of the dashboard.

What do the buttons on the panel mean?

Depending on the configuration and year of the car, 2 types of devices can be installed here. The keys and controls will vary.

Below is a description of the low tidy indicators.

Next there is a decoding of the controls of a more modern - high panel.

Instrument cluster

Today, VAZ 2109 cars that can be found on domestic roads, no matter whether they have carburetors or injectors, are equipped with three types of electronic devices. It can be a low panel, a high panel or a Europanel. Let's consider the description of each type separately.

"Low" panel

Low version of the control panel
Let's start with the low version. A detailed explanation of the scheme is given in the table.

"High" panel

Instrument cluster on a high panel
Below is a high-type VAZ 2109 instrument panel with electronic backlight. Relevant for both injectors and carburetors. You will find a decoding of the circuit and combinations according to the instructions below.

"Europanel"

Variant of the control panel on the VAZ Europanel
Now let's move on to considering the combination of an electronic instrument panel of the Europanel type with backlight. It should be immediately noted that the description of the components below is almost identical to the low-type electronic panel.

Tidy 21099 injector: icon designations

There are more lights and indicators here than on the carburetor. Additional light bulbs available:

• requirement to check the engine;
• STOP light.

Tidy 21099 carburetor: designations

The decoding described at the beginning of the article can be fully used as an example for this point.

Stop light on the dash 2109

The lamp signals the driver about the presence of unexpected problems in the on-board circuits. When such an inscription is activated on the device, it is recommended to immediately go to a service station and look for the cause.

High and low panel VAZ 2109 - the difference

Depending on the year and modification of the car, two types of devices are applicable. The first is considered a low panel, used mainly on carburetor nines and modifications with an injector.

A more advanced version was brought to market in the last years of production. Here there are all the symbols used initially and several indicators of the engine fuel injection system have been added. The dashboard looks more modern, which makes it attractive to car enthusiasts.

Errors on the panel

VAZ versions of on-board computers have a self-diagnosis option, which allows you to read codes yourself without the use of additional equipment. The following is a list of common problems encountered on cars.

High instrument panel

According to the diagram presented below, the VAZ 2109 with a high panel has the following components.

In order to eliminate certain malfunctions, monitor the operating parameters of the engine and vehicle systems, it is necessary to learn how the instrument cluster with a high panel is designed when you first get acquainted with the VAZ 2109.