The trunk does not open from the button on a VAZ 2110-2112

Why doesn't the trunk open from the button on the VAZ 2110 and 2112? 4 popular reasons

Car enthusiasts are often interested in why the trunk does not open with a button on the VAZ 2110 and 2112. For modern cars, opening the trunk with a button is quite common. Even on models that were not originally equipped with such an option, it can be found. Usually, the button is installed simultaneously with the installation of the central locking or alarm system. In the second case, the trunk lock is integrated with the security system. Failure of the trunk lock is quite an unpleasant phenomenon. For example, if necessary, you will not be able to get a spare tire. Therefore, it is important to fix the problem as quickly as possible.

Harmless and affordable method: step-by-step instructions

The main principle to follow when breaking into a car door is to damage as few structures as possible, so that you can then use your VAZ-2110 without restrictions. Therefore, the best way is to use wire or rope with a loop. You need to act according to the instructions:

Carefully remove the rubber band around the glass. You need to get into the space between the glass and the top of the door.
Insert a wire into this space and try to use it to pry the door latch.
Most likely, you will have to make several attempts, if you are able to pick up the latch, the door will open.
All you have to do is return the rubber band to its place and find the key in the interior to start using the car.

This is the simplest method of all those currently invented. For those who often forget their keys, such a hack can take up to 5 minutes.

Possible causes of the problem

Why doesn't the trunk open from the button on the VAZ 2110 and 2112? Let's start with the fact that the lock drive is electric, so the problem often turns out to be related to this particular system of the car. We list the main causes of malfunctions:

Motor malfunction;
Broken wiring;
Problem with key fob or button;
Weak battery.

There are several reasons, each of them has its own symptoms and characteristics. Below we will look at the main nuances of diagnosing a lock.

Broken wiring

This is perhaps the most common malfunction on self-installed electric locks. The reason is an unsuccessfully selected place for pulling the wires. As a result, they are damaged, which leads to a short circuit or complete breakage.

Diagnostics can be divided into 2 parts:

Checking resistance. All sections of the chain are checked for damage. If this indicator is close to infinity, then somewhere the wire has broken off. You can also check this by measuring the voltage;
Carefully inspect the wires for damage to the insulation. This usually leads to short circuits and current leakage to the housing, which makes the lock impossible to operate.

To check, you will need a multimeter or a tester made from a regular 12 V light bulb. Pay attention to the contacts. Often they oxidize, which does not allow current to flow normally. It is recommended to regularly check the status of the contacts. Be sure to clean them twice a year and lubricate them with a special compound. In many cases, it is poor contact that causes the lock to fail.

Motor malfunction

Let's say the key fob or button works as usual, but the trunk does not open. Most likely the problem is in the electric lock motor. First you need to open the cover to get to the motor. To do this, you will have to remove the back of the rear sofa and, reaching for the lever, open the trunk from the passenger compartment. You can do without this if you did not remove the cylinder when installing the electric lock. In this case, you can get by with a simple key.

We remove the motor. It should be checked. To do this, we apply a voltage of 12 V to it. A working motor will spin, if not, then it is better to buy a new one. If you wish, you can try to fix it. There are only 2 reasons for the failure:

Winding short circuit;
Burnt out resistance.

A shorted winding cannot be restored. But the resistance can be easily replaced. To do this, you need to disassemble the motor and replace the burnt out resistance. It is best to use a copper plate.

Broken wiring

Diagnostics can be divided into 2 parts:

Checking resistance. All sections of the chain are checked for damage. If this indicator is close to infinity, then somewhere the wire has broken off. You can also check this by measuring the voltage;
Carefully inspect the wires for damage to the insulation. This usually leads to short circuits and current leakage to the housing, which makes the lock impossible to operate.

Faulty key fob or button

The problem is often hidden in the control panel. If the lock is activated using a remote control, then diagnosing the problem is as easy as possible. In this case, not only the trunk drive will fail, but also the central locking system. Try replacing the battery in the key fob; if this does not help, it makes sense to replace the remote control.

The control button located in the cabin rarely fails. Most often the reason is in contacts. To check, remove it from the car. Then check in the simplest circuit together with the lamp. In case of malfunction, you will have to buy a new button.

Relay. Check the trunk release relay. To do this, while being next to it, you need to press the key fob button (an assistant will be required when installing the button in the cabin). A working relay should make a click. If there is no click, then most likely the reason is in the relay, replace it.

Battery. Sometimes the trunk lock does not work only when the engine is running. The reason for this is a weak battery. When the engine is running, the motor is started from the generator. In its absence, the battery simply does not have enough energy. This usually happens with expired batteries.

Conclusion. As a rule, the trunk lock was not standardly installed in the “tenth” family. All available options are installed by the owners themselves. In this regard, the official manuals do not contain information on repairing this element. Why the trunk does not open from the button on the VAZ 2110 and 2112 is a question often asked by car enthusiasts. There are quite a few reasons for this problem. To troubleshoot and fix the problem, you will have to go through all the elements of the electric drive of the lock.

Basic ways to open cars without keys

Even a working mechanism can jam if the cause is weather, body deformation or human factor. To figure out how to open the door of a VAZ 2110 if you left the keys in the car, it’s worth studying the drivers’ recommendations. Options to solve the problem:

Contact the service station. Craftsmen have special devices that will open a locked door without damage.
Call the special service. The workers have master keys and other tools.
Break the glass. To do this, it is important to wrap your hand with a thick cloth, and apply the main blow with the elbow.
Drill through the lock if you have access to electricity. Unroll the larva.
Try lowering the window. Grasp the glass sheet tightly with your palms and press downwards.

You should check if the trunk is closed. If you manage to get into the car through the luggage compartment, you will be able to unlock the door from the inside.

Screwdriver

It is inserted into the locking mechanism and rotated with force. It is important that the tip of the tool is thin, so a Phillips screwdriver will not work. The metal forcefully penetrates inside the lock, breaks the cylinder and removes the lock. After this, you will have to change the core of the mechanism.

Wire

If it is thin, it is folded in half and a hook is created at the end. Algorithm of actions:

The end of the wire is pushed inside and picks up the seal framing the lock. It is necessary to be able to extend the edge of this element.
The wire is passed between the glass and the seal, and the hook is bent.
He suddenly pulls himself towards himself. The larva breaks and the door opens.

This method of opening will take no more than 15 minutes, even if you don’t have the skill.

Warming up

Blocking of the body fragment occurs in severe frost. The lock freezes, so access to the cylinder is blocked. To open it you will need a hair dryer, a lighter or a defrosting substance. The latter is sold in any car store. If icy moisture is noticeable in the well, the steel is heated using a lighter. When the steel becomes hot, the ice will melt.

How to Open the Trunk of a VAZ 2112

how to open the trunk on a vase 2112

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What are the alternatives?

If the first method did not suit you, then on car forums you can find other instructions for opening locks. Choose any of them to solve your problem:

If your VAZ-2110 has simple buttons for locking the doors, then you can try to pry them off with a rope. To do this, you will need to slightly press the top of the door, and then push a rope with a tightening loop through a small gap into the interior. The loop must be placed on the latch cap and tightened, and then pull the button up to unlock the lock.
There is another option - to enter the interior of the VAZ-2110 through the rear windows. To do this, you will need to remove the seal from the small window near the trunk, and then carefully squeeze it out. This is done using a flat or Phillips screwdriver, which needs to be slipped under the seal in the lower right corner of the window. After the screwdriver is completely inserted in the indicated place, start using it to press the window toward you, gently pulling the seal. Once the gap is sufficient, put your hand through it and lift the door lock button. Then all you have to do is return the glass to its place and install the seal; it is better to replace it later.
There is another way. And it consists in the fact that you need to press the door and use the wire to reach the hook located inside it. Wrap a thin cloth around a pry bar or flathead screwdriver, and then use it to carefully pry back the top corner of the door. You need to drive a wooden peg into the resulting space or place a tonometer pillow in it and inflate it using a bulb (there are special devices for opening doors that work on the same principle). The resulting gap is enough to insert a thick wire into the interior, which you use to pull the hook to open the door.

If you were unable to open your car using these methods, then you should try rougher options.

Methods for the desperate

Those who value time and do not care at all about the condition of the car after opening it will prefer more crude methods. Their advantage is speed, but the disadvantage is that later they will have to repair the VAZ-2110.

Anyone who has watched American films knows that you can quickly open a car just by breaking a window. Domestic car enthusiasts try to cause less damage, so they break a small window near the trunk. This is the wrong choice, since the cost of this window is higher than that of any of the rear windows. In addition, small glasses are rarely on sale; in some regions they have to be ordered. It’s better to break the rear window with something heavy and then get into the car. Do not try to hit a window with your elbow or fist, you may get hurt.
If you have a drill at hand, then it is just right to drill out the lock cylinder. This is a simple method for those who are subsequently ready to carry out the work of replacing all the locks. The advantages of drilling are that the body and glass will remain intact; after replacing the locks, the car will retain its external qualities.

These methods are best used in the most extreme cases, since then you will have to spend money on repairing your VAZ-2110. In most cases, if a key is forgotten inside, it is better to use wire or rope.