Standard on-board computer VAZ 2110 – instructions, installation

Almost all modern cars are equipped with an on-board unit. This device provides the machine with many useful functions. With its help, you can find out the car’s daily mileage, instantaneous fuel consumption, air temperature, and fuel reserves in the tank. Other functions include additional operating parameters - air flow, crankshaft and damper position, and other data.

However, the most useful function of an on-board or trip computer is the provision of error information. The device can find out the error number that occurs during engine operation and display it on the screen without additional diagnostics. This allows you to troubleshoot problems without having to pay for diagnostics or unexpected repairs.

Some car models released from the factory do not have this useful device, which makes servicing the car difficult. Therefore, owners strive to carry out their own tuning of vases. Installing an on-board computer on a VAZ 2110 with your own hands will not pose any special problems. If connected correctly, operating time will not take more than an hour. The article will show you how to install and configure the device on a VAZ 2110-2111, and will also tell you about the models and prices of on-board computers.

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.

Meaning of errors

The meaning of errors on the BMW E39 instrument panel is the key to correcting car breakdowns. Below are the main error codes that occur on the BMW E39. It is worth adding that this is not a complete list, since the automaker either adds or removes some of them every year:

P0103 is an error indicating a critical excess air flow, as evidenced by an excessive warning signal coming from the device that monitors the level of air flow. P0105 is an error that indicates that the device that determines the air pressure level is faulty. P0106 ​​is an error indicating that the signals emitted by the air pressure sensor have exceeded the permissible range. P0107 is an error indicating that the output signal coming from the air pressure sensor is low. P0108 is an error that indicates that the air pressure sensor is emitting an excessively high signal level. P0110 is an error indicating that the sensor responsible for reading the intake air temperature is faulty. P0111 is an error that indicates that the signal readings coming from the incoming air temperature sensor are outside the permissible range. P0112 – the level of readings from the incoming air temperature sensor is quite low. P0113 - an error “opposite” to the previous one, shows that the level of readings from the incoming air sensor is quite high. P0115 – if this error occurs, you should pay attention to the readings of the coolant temperature sensor; most likely, the sensor has failed. P0116 – coolant temperature has exceeded the permissible range. P0117 – the signal coming from the sensor responsible for the coolant temperature is quite low. P0118 – the signal coming from the coolant temperature sensor is quite high.

It is important to add that not all error codes are presented above; a complete list of decodings can be found on the official website of the car manufacturer. If a code appears that is not in the list of decryptions, you must immediately contact the service center to fix the problem

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.

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.

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.

Typical faults

The need for replacement, as a rule, arises in the event of malfunctions in the operation of the device. If the computer begins to show incorrect data, the cause of the problem may lie in the contacts. Usually the contacts come off as a result of off-road driving and frequent vibrations. In this case, the problem can be resolved by reconnecting the devices.

In some cases, incorrect data is caused by glitches. If this is the case, then you won’t be able to solve the problem on your own - only specialists with the necessary equipment can help. In practice, the bookmaker can be reflashed, that is, the software can be reinstalled. In the event that the demonstration of incorrect parameters is associated with damage to the electronics, then the only correct solution is to replace the BC. Usually in this case, if there is mechanical damage to the system elements, the on-board computer does not work, which is the reason for its replacement (the author of the video is the IZO)))LENTA channel).

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.

Translation from English

Optional BMW E39 errors translated from English look like this:

• TIRE DEFECT – an error indicating problems with the car’s tire; it is recommended to immediately slow down and stop.
• EDC INACTIVE is an error that indicates that the system responsible for electronically adjusting the stiffness of shock absorbers is in an inactive state.
• SELFLEVEL SUSP. INACT is an error that indicates that the self-levelling system is inactive.
• FUEL INJECT. SYS. – an error indicating injector problems. If such an error occurs, it is necessary to have the vehicle inspected by an authorized BMW dealer.
• SPEED LIMIT - an error that indicates that the speed limit set in the on-board computer has been exceeded.
• PRE-HEATING – an error indicating that the pre-heater is working, and it is not recommended to start the car’s power unit.
• FASTEN SEAT BELTS – a message advising you to fasten your seat belts.

In order to translate error messages on the BMW E39, it is not at all necessary to be fluent in English or German; it is enough to know which error corresponds to a particular code, and also use a dictionary or online translator.

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.

User manual

Additionally, it is worth setting up the computer for the VAZ 2110 after all devices have been installed. The device, as a rule, has a special cross. These buttons help you configure the device. For example, to connect a fuel level sensor, you need to drain the tank, turn on the device, and press the diagnostic button.

The device will carry out the analysis, and then a numerical designation will appear on the display. This amount of gasoline should be poured. The computer will then move on to another phase of analysis. Once completed, you can fill the tank full. The full set of settings is indicated in the operating manual for a specific device and you can make a choice in favor of the desired functions.

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.

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.

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.

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