Models of on-board computers (BC) VAZ 2110, their installation and operation

The car of the 21st century is equipped with a huge number of microcircuits, electronics and sensors. VAZ 2110 owners rarely encounter breakdowns of electronic components for the simple reason that there are very few of them in this model. But if something goes wrong, the driver needs time to find the fault in the components and organs of the car. But if the VAZ 2110 had a standard on-board computer, vehicle diagnostics would be carried out much faster. But if you have free time and a little capital, the “ten” can be upgraded and an on-board computer installed. Initially, it seems that installing such equipment into a car will be problematic, but in reality, installation, diagnostics, and connection will not take even an hour. What types of on-board computers are there for the VAZ 2110?

On-board computer in a VAZ 2110 car

Types of on-board computers

There are quite a few types of on-board computers VAZ-2110. The price of all devices is different - from 1,200 rubles to 20,000. It all depends on the type and manufacturer. For example, devices that are installed in standard places are low cost and are not very convenient to use. But there are on-board computers that are installed instead of the standard dashboard. Large selection of instruments, various color schemes, display layout, etc.

Such devices include on-board computers VAZ-2110 “Gamma”, “Multitronics”. But they also cost a lot - over 10,000 rubles. Installing such a device in a service center will cost another half the cost. But you can do all the work yourself if you know how to read diagrams and understand them. But the main thing is that for ease of use it is necessary to calibrate the sensors.

Trip computer

Trip computer (MC), shown in Fig. 37, is installed in a variant version instead of a clock in VAZ 2110, VAZ 2111, VAZ 2112 cars. The MK has 15 functions, divided into 3 groups (see Table 2). The group is selected using buttons 1, 2 and 3.

In each group, functions are divided into basic and additional. The main functions are navigated through the ring using buttons 1, 2 and 3. Additional functions are navigated through button 5. When the ignition is turned off, the computer is always in the “Current Time” mode. When the battery is removed, the clock progress and all accumulated parameters are retained for at least 1 month.

On-board computer options

On-board computer STATE X1M-station wagon.

Regular BC.

BK-40.

BK-10.

The main differences between a BC injector and a carburetor

The main differences between the bk, depending on the type of power supply, are the on-board capabilities for the VAZ 2110. The carburetor type is the simplest. The main reason is that carburetors are largely controlled mechanically, and electronics play a secondary role. Therefore, its standard set of functions is extremely small. You can find out about:

• time of day or set an alarm;
• current and average fuel consumption, as well as power reserve;
• average speed and driving mode;
• engine or outside air temperature;
• diagnostic information that allows you to find out about an engine operation error and decode it.

Types of bookmakers

On-board devices are divided into several types. Injection or carburetor devices are suitable for the VAZ 2110, depending on the type of power system for the car. Additionally, devices are divided into stationary, installed only in specially designated places, or universal, of any size, which can be placed in any convenient place.

Among other things, there are devices that are suitable only for one model. For example, VAZ 20199, but it does not work on VAZ 2110. This may cause the device to display data incorrectly. It’s worth remembering this when purchasing and purchasing an on-board computer that can be installed specifically on these models.

The most common and convenient devices for the VAZ 2110 are simple State 110-X5 devices, the price of which starts from 2-3 thousand rubles. The bortovik is compatible with the old panel and has a number of simple functions, such as information on fuel consumption, coolant temperature in the tank, estimated power reserve and mileage until the upcoming maintenance, coupled with decoding engine errors.

It is best to give preference to more expensive devices such as Omega 168, Orion or Mutltronics. Such devices have an expanded range of useful functions that will significantly simplify the operation of the car. And you won’t be scared by how much such an on-board computer costs. The maximum cost of advanced BCs, which come with a dashboard that simplifies installation, reaches 10-12 thousand rubles.

Advantages of injection engines

The engine designs are the same, only the following systems differ significantly:

1. Fuel mixture injection.
2. Ignition.
3. Engine control.

The main advantages of injection engines:

1. If faults occur, diagnostic tools will provide an accurate diagnosis in a matter of minutes. In rare cases, it becomes necessary to take the car to a service center for servicing.
2. Ideal operation at idle speed, provided that all sensors function stably. Starting the engine in winter is much easier.
3. Fuel consumption (depending on the firmware, however) is significantly less than that of carburetor engines.
4. Injection systems require virtually no intervention. Sensors and actuators rarely fail.

The cost of spare parts is significantly higher than for carburetor engines. But they also break less often. If the injector is new or has just been serviced, then with proper use it will last for more than one year without breakdowns. If the sensors break down, they can be replaced within a few minutes. And some devices can be repaired.

Benefits of using on-board computers

On VAZ-2110 cars, the on-board computer (instructions are included with the device) has several functions:

1. Visual notification of current and average fuel consumption.
2. Accurate tachometer and voltmeter.
3. There is a function that allows you to remind about a scheduled oil change.

On-board computers can notify the driver of the following faults:

1. A lamp lights up, indicating engine failure. If the motor operates normally and there are no symptoms of breakdowns, then most likely the power circuit of the lamp itself is faulty.
2. Excessive gasoline consumption. In some cases the value exceeds 12 l/100 km. A complete diagnosis of the injection system and flashing of the electronic control unit controller will help.

Pros of bookmaker

Installing a computer on a VAZ 2110 will open up a lot of good options and has a huge number of advantages:

• the presence of a trip computer allows you to find out about the power reserve;
• the ability to combine a computer and a navigator;
• option for heating the spark plugs of a disabled vehicle;
• the ability to check errors and eliminate them immediately. Replacing the bearing that caused the malfunction significantly
• cheaper than subsequent extensive repairs.

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ADJUSTING THE COMPUTER FUNCTION

Clock correction

Press button 4 in the “Current time” mode. At the sixth signal of the exact time, press button 1, this resets the seconds and rounds the clock readings.

Setting the current time (calendar)

• Press button 4 in the “Current time” (“calendar”) mode.
• Use buttons 5, 6 to set the desired hour (day).
• Press button 4.
• Use buttons 5, 6 to set the desired value for minutes (month).
• Press button 4 to complete the time (calendar) setting.

Disadvantages of injection systems

Among the negative qualities are the following:

1. The on-board computer “State” of the VAZ-2110 provides complete information, but it is inconvenient to perceive it. The display is located to the side, under the tape panel. Therefore, in order to consider any data, you will need to stop.
2. A very expensive catalyst, located literally 10 cm from the road surface, is easily damaged. Repairing it is not always possible, and the cost is very high. In the event of a breakdown, not only fuel consumption will increase, but also the level of CO in the exhaust.
3. Initially, only carburetors were installed on the “ten” engines. Later, the engines were sharpened for the installation of injection systems. Consequently, dismantling some sensors and devices turns out to be problematic due to their inconvenient location.

Programming instructions

We will change different settings. We’ll also try turning on the alarm, changing the brightness of the backlight, etc. Thus, programming a computer on a VAZ-2112 also applies to operation.

Setting up the fuel level sensor

The tank initially remains empty. Turn on the “Fuel level” function (2-5) and press button 4 for more than two seconds. Next we follow the steps:

1. Press button 3 for one second until a sound signal appears;
2. Fill the tank with three liters of fuel. Wait 10-20 seconds and repeat step 1;
3. Repeat steps 1 and 2 until 39 liters are filled.

Activate the speed warning light

By pressing button 3 we turn on the “Average speed” function. Press key 4. Then use buttons 5 and 6 to set the required numbers. Finally, press button 4.

To disable the option, use a high threshold value: 190 or 200 km/h.

Changing the backlight brightness

Let's use function 1-3 “Time with stops”. Press button 4. Use keys 5 and 6 to make adjustments. Press button 4.

Go to the “Alarm Clock” option (an additional function in the “Clock” list). Press button 4. Next, set the hour value (keys 5 and 6), press button 4, set the minute value (keys 5 and 6). By pressing button 4, the alarm clock is activated.

An alarm clock in a car is a necessary thing

All that remains is to figure out how to turn off the alarm clock. Complete all the steps before setting the hour value, and then press button 1. The alarm should turn off!

Operation of injection cars

It is imperative to comply with the requirements that will facilitate the operation of the car. In order for the on-board computer “State” of the VAZ-2110 to produce errors as little as possible, and to increase comfort, be sure to adhere to the following recommendations:

1. Carry out soundproofing - this will get rid of unnecessary noise. For example, the fuel pump is quite loud. And it can be inconvenient.
2. Be sure to treat all body elements with anti-corrosion compounds.
3. The vehicle should only be refueled with recommended brands of fuel. If you fill with low-octane gasoline, the engine will not work properly.
4. Timely maintenance will solve any problems regarding the operation of the motor.

Correct operation

With the right approach, the installed BC will not cause problems. However, if it shows unreliable information, then it is worth removing the on-board computer and checking it for serviceability. How to remove the device is clear. After all, it has a disconnectable connector, so you need to dismantle it in the reverse order. The main thing to remember is that this is a fragile thing and can be broken.

After dismantling, you should check the integrity of the soldering and wires and eliminate any breaks . Afterwards, put the device where it was before and use the working device again.

Electrical connections

During the preparation stage, you must perform the following steps:

1. Disconnect the negative terminal from the battery.
2. The VAZ-2110 on-board computer is connected to the alarm block. Find it and position it as conveniently as possible.
3. You will need to first locate the orange wire (at pin seven).
4. Connect the red-white wire to it, which is located in the computer connection harness.
5. To the red-black wire installed in the tenth pin, connect the red one from the harness coming from the trip computer.
6. And connect the red on the block with the red-black coming from the BC harness.
7. Find the black wire on the fifth pin. And you connect the same one from BC to it.
8. A white wire is installed on the eighth contact, which you connect to a similar one going to the BC.

instruction manual on how to connect and configure the BC

The VAZ-2110 on-board computer is used to control vehicle systems. In its original configuration, the car leaves the factory without a smart gadget, but this does not prevent the driver from purchasing it. Before this, it is necessary to evaluate the technical characteristics of the models on the market. Each of them is designed for specific operating conditions of the VAZ-2111, 10 or 12.

Functional purpose of the device

The development of the technical component of vehicles has led to an abundance of electronic and mechanical devices that control the operation of the car. Each of them reflects one or another indicator, which a person does not always have time to analyze. This is where the VAZ on-board computer will help, taking control of what is happening. In addition to monitoring the operation of vehicle systems, it will promptly inform the owner about a failure.

Another advantage is that the standard on-board computer analyzes the technical condition of the car within the specified parameters. In practice, this means that the driver can ask a question regarding the presence of components or assemblies whose performance exceeds the technical norm. Preventative analysis reduces the likelihood of downtime due to technical failure. The VAZ trip computer differs in the available options depending on the configuration:

Installation recommendations

The efficiency of the device is determined at the stage of selection and subsequent installation. An on-board computer (BC) is selected for the VAZ-2112, which collects and analyzes incoming information. Regardless of the model, it is equipped with a Check Engine light. When it is triggered, the bookmaker will independently determine that it is not working.

What does the on-board computer notify?

1. When the car is moving, a light comes on, indicating a malfunction of the power unit. It is possible that there really are problems with the engine. It's easy to notice by the sound. If the light is on, but the engine behaves normally, do not rush to go to a car service center. A common problem with the BC on the VAZ 2110 is a small short circuit. Carry out diagnostics - cheaply and effectively.
2. Fuel consumption is too high, it has even exceeded the maximum limit of 12 liters. If such a problem is detected, it can only be solved by flashing the controller firmware. Doing this on your own is difficult and sometimes impossible. Trust exclusively highly qualified specialists.

Rules for driving a car with an injector

A car equipped with an injector is less susceptible to ambient temperatures. However, in severe frost, the injection Lada also experiences difficulty starting. Here it is worth using the on-board computer with the function of heating spark plugs. Every time the temperature drops below a certain value and the car is turned off, a special heating of the tips is carried out to ensure a stable engine start.

Also, the VAZ engine sometimes overheats, which can cause valve burnout and costly overhauls. However, this is possible if the cooling system is faulty. If necessary, you can activate the Tropic function for the on-board computer of the VAZ 2110. When the temperature reaches more than the value set by the owner, the forced cooling fan turns on.

How to calibrate the FLS on a standard BC

An important parameter is the fuel level in the tank. For the sensor to work correctly, it must be calibrated. For this:

So that after installing the VAZ-2110 on-board computer, it notifies you that the maximum permissible speed is exceeded, you also need to carry out “training”. To do this, switch to the average speed input mode and hold the button (top right) for several seconds. To enter an integer number corresponding to the speed, you need to use the “” “–” buttons on the front panel of the device.

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Installing an on-board computer on a VAZ 2110 with detailed instructions

Each standard on-board computer on the VAZ 2110 is accompanied by instructions , according to which you can dismantle the old computer and put a new one in its place. Therefore, first of all, arm yourself with this guide.

It’s not difficult to figure out for yourself how to connect an on-board computer to a domestically produced VAZ 2110 car . It is necessary to act consistently and follow stages.

• First, remove the terminal that comes from the battery.
• Find the alarm block and remove it. The on-board computer is connected to it.
• The orange wire should be removed from the seventh contact.
• In its place, a red and white wiring is attached, which is pulled from the on-board computer harness.
• Disconnect the orange wire and install it in the connector from which you previously removed the wire.
• The red wire with black stripes will be disconnected from the tenth contact. The red wire from the BC harness is attached here. Instead of red, connect red-black. Essentially, you are swapping wires.
• Disconnect the black wire from the fifth contact. A wire of the same black color from the on-board computer harness is connected to it. This is a very important point, don't miss it.
• The black wire from the block is connected here.
• Now it’s the turn of the eighth contact. The white wire is removed from it, and the white wire from the harness is connected in its place. That is, a change of places occurs again.
• Make sure there is contact between the wires.
• Check the quality of fixation of each disconnected and connected wiring. Use insulating tape in areas where they are curled.
• The harness is pulled through the internal section of the console to the site for subsequent installation of the on-board computer.
• Next, you should carefully and firmly connect it to the sensor, which is responsible for adjusting the fuel level in the car.
• Remove the instrument panel to give yourself access to the gray block.
• Disconnect the fuse box. It is located to the left of the driver.
• From the gray block, remove the pink wire that transmits the signal to the fuel level sensor. The pink wire from the harness of your on-board computer is connected to it.
• Install the sideboard in its rightful place.
• Reconnect the battery terminal to turn the ignition on. Start the engine and check if everything works on the installed on-board computer.

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By following fairly simple instructions, you should be able to connect the VAZ 2110 BK to your car without any problems. Carefully study each point, think about whether you can really do everything yourself.

As we have already noted, the approximate cost of a new on-board computer intended for installation on a VAZ 2110 car is 2 thousand rubles. There is no need to purchase additional tools or materials for self-installation, that is, the whole process will cost you 2 thousand.

When you contact a service station, you will be asked for about 2 thousand rubles more to connect the on-board computer. This is the best case scenario.

Considering the relative simplicity of the work, there is no need to trust it to car mechanics. By consistently performing each step and following the instructions, you will be able to equip your VAZ 2110 with an on-board computer with your own hands.

Installation of BC for injector

Connecting the on-board computer is quite simple. The VAZ 2110 offers several models - a standard one, which takes the place of a standard clock, or universal ones, which can be positioned at your discretion.

1. You need to find a standard connector for connection. Remove the trim from the VAZ 2110 at the bottom of the torpedoes, as a rule, it is located there.
2. Next, you should find the K-line wire and connect it to the car's ECU. The location of the wire is indicated on the on-board computer connection diagram (see photo).
3. You can connect an air temperature sensor (it is better to install it in the rear bumper or near the steering tips), fuel consumption or car speed to separate connectors. The pinout of the block is shown above.

If necessary, you can install an on-board computer in addition to the standard one. This will save space on the panel. For example, a Sigma or Staff computer is installed on a VAZ 2112 instead of the standard plug for the SAUO unit and there is no need to wire the contacts. It is necessary to connect three contacts - 12 volt, K-line and ground.

Connection diagram

The process of diagnosing an ECU using a special scanner.

Electronic control units of the VAZ-2110 are the main tool for controlling and automating most processes in the car. To adjust the software, they often resort to replacing the “brains” with more “flexible” ones and reflashing the ECU.

First of all, it is necessary to clarify several terms that will be required when considering questions about changing the electronic control unit:

• Wiring compatibility . To replace it, the connectors on the old ECU and the new one will need to match.
• Software is a predetermined algorithm that can change depending on the needs or desires of the motorist.
• The hardware component is the electronic control unit itself, boards or other components that allow the systems associated with the ECU to function normally.

For the VAZ-2110 family there were two types of connectors. So, for the “brains” January 5.1.x, Bosch M1.5.4, Bosch MP7.0, and VS 5.1 there was a 51-pin connector, but for January 7.2(+), Bosch M7.9.7(+) and M73 - 81 -pin.

That is, the interchangeability of control units is caused by the pinout of the unit.

ECU January 7.2.

Differences

Fundamental differences between 81-pin blocks and blocks of previous generations:

1. Overall body dimensions and weight have been reduced.
2. New, more modern connectors with improved connection reliability.
3. The controllers have built-in switches, therefore, instead of ignition modules, ignition coils can be used, which increase the reliability of the ECM as a whole.
4. There is no software or hardware compatibility with any of the previously released units.

Even electronic control units from the same manufacturer will differ significantly in pinout. Therefore, the interchangeability of the “brains” will depend on the number of connector pins. Also, it is worth understanding that the firmware will play a big role. When changing the ECU, the motorist will have to reflash the unit for the correct operation of all vehicle devices.

ECU January 5.1.

A very important nuance remains that the software of the control unit must be compatible and comply with the type of injection, as well as the toxic standards laid down by the manufacturer.

Assignment of contacts of ECU Bosch M1.5.4, MP7.0 and January-5.1

Pinout of 55-pin ECU.

Let's look at the pinout of control units with 55-pin “brains”:

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Description of contacts ECU M7.9.7 / January 7.2

Let's look at the pinout of control units with 81-pin “brains”:

Choice of "Brains"

AvtoVAZ Lada 2110 cars have been equipped with several electronic control units throughout their production history. Thus, the following ECUs can be found on vehicles:

• January 4 - the cost of such an electronic control unit is 4,000 rubles.
• Bosch M1.5.4 - the average price will be 5,500 rubles.
• January 5.1 - the market price will be about 6,000 rubles.
• VS 5.1 - cost 5,000 rubles.
• Bosch MP7.0 - the cost of the control unit will be around 6,000 rubles.
• Bosch M7.9.7 is a little more expensive than its brother, the price ranges from 6000-6500 rubles.
• January 7.2 and January 7.2+ - these blocks will cost the car owner 5000-5500 rubles.

According to the experience of motorists and the recommendations of specialists, it is best to take electronic control units marked Bosch MP7.0, January 7.2+ and January 5.1.

If you have to change the remaining blocks, it is recommended to take an ECU with these markings, since they are more “flexible” for changing the software.

On-board computer diagnostics

Faulty sensors can be determined using ECU diagnostics.

To identify faults in the electronic control units of the VAZ-2110, diagnostic equipment is used. Usually they use a tablet or laptop with special software. Also, the motorist, if the operation is performed independently, will need a special OBD II cable.

The process of diagnosing an ECU using a laptop.

Diagnostics are carried out to determine errors in the electronic control unit and troubleshoot problems in on-board systems, especially on engines. After identifying the error, it is necessary to decipher and find the cause of the malfunction in order to eliminate it.

Disadvantages of the BC injector

Some VAZ 2110 models are equipped with a standard on-board computer. This model has a certain number of disadvantages and limitations. For example, the model interacts poorly with the electronic control unit (ECU) and does not allow receiving data through a special diagnostic connector. However, only motorists with on-board computers in the state face this problem. In addition, this can be treated with a standard flashing of factory settings.

If the BC is installed separately on the VAZ 2110, then it can be easily customized for yourself. If connected correctly, the device will not cause problems. If there are still difficulties, for example, the Check light comes on, but the diagnostics shows that such an error code does not exist.

This means that the contacts of the on-board computer may come loose or the electronic system may fail. You need to restart the bookmaker or turn it off for a few minutes. Next, we reconnect and configure the device according to the operating instructions.

• some models of on-board aircraft do not allow reading errors;
• incorrect connection of the computer to the VAZ 2110 can cause errors in the ignition system;
• shows incorrect fuel consumption values ​​due to a faulty mass air flow sensor.

conclusions

Determining the compatibility of the electronic engine control unit is quite simple; to do this, you should look at the pinout of the connectors, and also read the technical specifications. You can replace the “brains” yourself.

Sources

• https://MasteraVaza.ru/salon/bortovoj-kompyuter/kolodka-bortovogo-kompyutera-vaz-2110-583
• https://FB.ru/article/342090/bortovyie-kompyuteryi-na-vaz—podklyuchenie-bortovogo-kompyutera-vaz—instruktsiya
• https://carfrance.ru/zamena-bortovoj-kompyuter-vaz-2110/
• https://DaciaClubmd.ru/repair/elektrika/bortovoj-kompyuter-vaz-2110
• https://luxvaz.ru/vaz-2110/17-podklyuchnie-bortovogo-kompyutera.html