The sound signal on the VAZ 2110 does not work and has disappeared: how to connect according to the diagram and is it suitable from the Volga?

04/27/2021 16,802 VAZ 2110

Author: Ivan Baranov

Every car must have a working horn. Thanks to the horn, the driver can prevent an emergency situation on the road and avoid a possible collision. But it often happens that the horn refuses to work. For what reasons does the sound signal on the VAZ 2110 not work and how to fix this problem - read below.

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Why the signal does not work on the VAZ 2110

On a VAZ-2110 car, the sound signal, located between the headlights behind the radiator trim, is connected through a fuse located in the mounting block directly to the power button, which is located on the steering wheel. If it fails, the first thing to do is always check the fuse .
If it burns out, you will have to look for the cause of this phenomenon, which is usually associated with a short circuit. If the fuse is intact, then you need to check the sound signal itself by connecting its terminals with wires directly to the battery. There are also two options here: either it works or it doesn’t work. If it doesn’t work, then the problem is practically solved, it needs to be replaced with a new one, provided that you don’t want to delve into its insides and understand why it didn’t work. But if the sound signal works, then you will have to remove the cover that covers the steering switches and deal with the button for turning on the sound signal.

There are two wires going to the horn button: one is positive, it comes from the mounting block from the fuse, the second is negative. Which one is a plus and which one is a minus can be determined by their markings. Using a jumper, we close these two wires. If the signal works, then the reason for its failure should be sought at the point where the moving contacts touch the slip ring located on the back of the steering wheel.

Most likely, due to the displacement of the housing under the steering switches, slightly downwards, the movable contacts no longer touch the slip ring. This cause can be eliminated by loosening the fastening nut under the steering switches and moving them slightly upward along the steering shaft so that the moving contacts begin to touch the slip ring.

If, after you jump the two wires going to the horn button, it does not work, then you will have to check the integrity of the wires of the positive and negative parts of the electrical circuit.

Features of the VAZ-2112 electrical circuit

The owners of cars of the “tenth” family are to some extent lucky: there is no relay in the horn circuit, but only a switch. The proof is given below.

Standard wiring diagram

The first step is to check fuse F7. In the mounting block it is in the top row (seventh from the left).

Voltage “+12” is applied to one of the fuse terminals. Check it out!

If the fuse is good, potential “+12” should be at one of the horn terminals. Let's take a look under the hood...

Audio module connector

Disconnect the connector and check both terminals with a tester. We connect the second probe of the voltmeter to the negative of the battery.

The standard reason why the signal does not work on the VAZ-2112 is this: the “positive” voltage is connected, but the contact with the “ground” is broken. Most often the problem lies in the switch.

Why does the VAZ 2110, 2111 and 2112 signal not work?

VAZ 2110 sound signal circuit

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What to do if the signal on the VAZ-2110 does not work

A working car horn is a necessity. If the horn does not function, then the person sitting behind the wheel will not be able to notify either pedestrians or other drivers of his approach. As a result, a seemingly frivolous breakdown leads to the creation of an emergency situation with completely unpredictable consequences. For this reason, if you identify any problems in the operation of the beep, you should quickly begin to eliminate them. Why the signal does not work specifically on the VAZ 2110 model, and how to fix it, we will explain further.

Probable Causes

Based on the nature of the signal malfunction in the VAZ-2110, it can be divided into two groups.

In the first case, the horn does not operate at all, no matter how the driver presses the button located in the center of the steering wheel.

The second option is that the sound is intermittent, that is, the signal begins to work unstable.

Among the most obvious and easily remediable causes, the main one is a blown fuse. A break in the fuse link de-energizes the entire electrical circuit, and, accordingly, the horn does not function at all. To check, just turn on the heater fan. It is connected to the same protective device.

Also, the horn itself often breaks on the 2110 model. This version is accepted as the main one if installing a working fuse does not lead to a positive result. Here you will have to tinker longer:

the signal is removed (it is located behind the radiator grille);
connect directly to a battery or other 12-volt power source (the white wire is “plus” and the black wire is “minus”);
If the device itself is faulty, then it will not produce a characteristic sound.

When everything is in order with the node, then you should suspect a break that occurred somewhere in the circuit.

The next possibility is abrasion of the clamping contacts installed directly in the steering column. This is more likely the older the “ten” is. By the way, it is not difficult to extend their service life - it is enough to regularly treat the contacts with graphite-based lubricant.

Also, sometimes the problem lies in the oxidized terminals of the pads. Inspect the one located in the steering column, and the second one in the engine compartment. At the same time, make sure that all wiring is securely fastened.

The slip ring is less often to blame for the sound signal not working. It is located directly in the steering wheel. This element of the 2110th model also wears out over time and ceases to perform its intended function.

Debugg

Having become familiar with the reasons why the horn usually does not work, you need to begin troubleshooting.

To restore the functioning of the signal, first of all, inspect the fuse. It is located in the mounting block and is designated F7. If the fuse link is damaged, a new device is installed. At the same time, its connectors are checked and cleaned if necessary.

If the new fuse immediately blows or the described trouble occurs to it after a short period of time, then perhaps the root cause is power surges. Here you will have to inspect the entire on-board network.

When it turns out that the VAZ-2110 signal itself has failed (we described how to check above), then it will have to be replaced with a new one. It will cost approximately 350-550 rubles.

How to repair the sound signal on a VAZ-2110 yourself

If the sound signal does not work, you should never drive a VAZ-2110, as such a breakdown can lead to very serious consequences. After all, only with the help of this device is it possible in most cases to prevent the occurrence of an emergency situation and save many human lives. With the help of a loud sound, you can easily warn a pedestrian who is wandering on the road, or another driver.

Why did the horn stop working?

If the warning signal on the VAZ-2110 does not work, including the fan, you should not immediately contact a service station.

You can identify the cause of the malfunction and eliminate it yourself, taking into account the advice of professional technicians.
Most often, the signal may stop working due to the following reasons:

A fuse that has become unusable. To fix the problem, you will need to replace the burnt element, which must match the color and value of the previous one. This procedure does not take much time; it can be completed in just a couple of minutes. But if after a short time the new fuse blows again, this problem needs to be solved at a service station.
If after replacement the sound signal does not appear, this will indicate a short circuit in the electrical network. To eliminate the cause of the problem, the owner’s experience is rarely enough, so the right decision would be to seek help from experienced professionals.
The sound signal stopped working due to a breakdown of the horn itself. If replacing the fuse did not produce any result, and the audible brake light still does not work, then most likely the horn itself is broken. It will be difficult even for an experienced car enthusiast to cope with the problem on his own, since in order to identify the cause of the breakdown, you need to connect the part to the battery. If you decide to check the signal yourself and the element does not start functioning after connecting to the battery, the easiest way is to buy a new horn and install it.

How to remove a faulty signal (horn)

There is a single module mounted under the radiator grille. To remove it, unscrew one nut (key “13”). First disconnect the connector.

Dismantling, adjustment before installation

It will be necessary to remove the grille. This action is difficult to perform on both the “Ten” and even on the VAZ-2112, and the signal may not work due to faulty wiring. First achieve what was discussed in “step 3”. And only then, if necessary, proceed with replacement.

One adjusting screw is fixed to the horn body. Set it to the middle position and check.

Removing the radiator grille

Taking the “10” key, unscrew the two screws on top (as in the photo). You can't remove the grill right away.

Self-tapping screw for radiator grille fastening

An important fastening element is the clamp.

The article number of the new radiator grille is 2110-8401014 (or 8401614, or 8401714).

VAZ 2110 signal does not work

Does the buzzer itself remain?

The relay clicks when the button is pressed, the fuse is intact

forge contacts on the horn, after 2-3 winters everything gets oxidized or the horn is finally dead

flat membranes die quickly

generally standard guno pipes

And my pipe died at the car wash. I found out about this on those. inspection, when a person checked the sound signal and tried to blow it. I don’t remember what, but I gave him some kind of excuse and it worked.

PS: I stopped by the car wash specifically before the maintenance, otherwise they don’t let dirty cars in.

Trouble Today I wanted to beat up one hell of a bad person, but that was not the case. No signal appeared. When I stopped, I pressed it again. The relay clicks when the button is pressed, the fuse is intact. Does the buzzer itself remain? Or are there any other pitfalls?

Where to the standard wiring?

Igor_220

connect humanly via relay

Igor_220

connect humanly via relay

Igor_220

connect humanly via relay

Igor_220

connect humanly via relay

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We diagnose the sound signal

It all starts with the connector pins:

Let's say the voltage “+12” is not caused on both contacts. Then look for a short circuit or break point, starting from terminal 6-Ш5 (diagram above).
If positive voltage is received, check the second terminal. It will contact ground when you press the horn button. During this check, the battery must be disconnected.
If the previous two steps are completed successfully, then voltage is supplied to the horn. It may need to be replaced or the contacts cleaned.

The signal on the VAZ 2110 does not work - reasons and solutions

The signal on the VAZ 2110 is a very useful thing, we won’t talk about its benefits, and it’s a necessary thing and it’s stated in the traffic rules. You can find out what reasons there are when the signal does not work on a VAZ 2110 in this article.

Reasons why the signal may not work

The fuse has blown and needs to be replaced with a new one. You can find out which fuse is responsible for the signal here.
A short circuit in the wiring often causes a non-working signal; you can see the wiring diagram for the VAZ 2110 here.
The horn stopped working due to a breakdown of the horn itself.
The clamping contacts have become unusable or simply oxidized.
Another common reason why the signal does not work is wear of the contacts in the steering wheel.

Horn relay VAZ 2110 - repair and replacement

A common cause of signal failure is the signal relay, so replacing it often solves this problem.

We find the horn relay for the VAZ 2110; read about how to find it here.

Remove the relay from the casing.

We replace the relay with a new one or clean the contacts of the existing one.

We connect everything according to the diagram, I posted the diagram below ↓

Possible malfunctions: signs and causes

There are several signs of a malfunctioning sound signal on a VAZ 2110 or 2112:

The sound signal has disappeared. The driver presses the steering wheel or the corresponding button located on it, but there is no beep.
The beep appears and disappears. When the driver presses the steering wheel, the signal may start to work, but then immediately disappears.

There may be several reasons why the horn refuses to function:

One of the most common reasons is the failure of a safety device. In this case, the integrity of the horn itself will not be compromised, which greatly simplifies the repair procedure.
Failure of the horn itself. If after replacing the safety device the sound does not appear, you can try to check the functionality of the horn by dismantling it and directly connecting it to the battery. If the device is working, then when connected to the battery it will begin to emit a corresponding signal.
The reason may also be a short circuit in the vehicle's on-board network.
Another cause of the problem may be worn out clamping contacts located on the steering column. This problem often occurs in the cars of our compatriots. In any case, the clamping contacts wear out over time due to use; this cannot be prevented. As an option, you can try to increase the service life of the contacts; to do this, they need to be treated with graphite lubricant from time to time.
Worn slip ring on the steering wheel. As stated above, there is no escape from wear and tear, so sooner or later every car owner will face such a problem. As in the previous case, you can try to increase the service life of the slip ring by applying graphite lubricant to it.
Oxidation of contacts on the steering wheel. With prolonged use, deposits will begin to accumulate on the internal contacts, which makes it impossible to transmit the impulse to activate the horn.