How to reset the on-board computer of a VAZ 2114


Instrument panel VAZ 2110 - description of lamps and indicators

Designations of indicator lamps on the instrument panel of VAZ 2110 - 15.

Many car enthusiasts are faced with this seemingly simple question. What do the indicator lights on the instrument panel mean?

And what do we know, they all light up together only when the ignition is turned on, and when one of them lights up while driving, it becomes a little uneasy.

I didn’t know this myself when I switched to the “two” after the “seven”; on the 2107, half of them didn’t light up at all, so I didn’t know what it was and what it was for. And a friend of mine, after buying a car in Novorossiysk, even bought a whole book on VAZ, due to ignorance of these light bulbs.

The symbols on the instrument panels on all VAZs are almost the same, just the location is different.

Let's start in order.

1 — Coolant temperature, in degrees Celsius.

2 — Tachometer, engine speed.

5 — Speedometer, vehicle speed in km/h.

6 - Fuel level in the tank. When there are 5-7 liters left, a yellow light comes on - a warning or an icon with a picture of a gas station.

7 - Actually, this is an image of a gas station, signaling the need to refuel.

8 - Indicator lamp for turning on the dimensions.

9 — The brake fluid level is low, it may be leaking somewhere.

10 - Turn on the high beam.

11 - Clock adjustment knob (hours/minutes - switches when pressed), sometimes this knob serves as the function of switching the total mileage/day mileage (on panels with a narrow display).

12 — The display showing the total mileage/daily mileage is narrow on some models.

13 - Hazard warning lamp - “hazard light”.

14 - Check Engine, often indicated by this icon

- this means a malfunction in the engine, it is recommended to stop the engine.

15 — Display with a clock (can show the outside air temperature if there is a temperature sensor).

16 - Malfunction in the battery charging system: loose or broken generator belt, generator malfunction, open circuit and other problems.

17 - Parking brake indicator.

18 - Insufficient oil pressure in the engine, it is recommended to turn off the engine and find the cause.

19 — Air damper light (on carburetor engines)

I’ll also add about the lamps on the additional panel in the dashboard of the VAZ 2110 - 12.

— The light marked with an arrow indicates a malfunction of the parking lights or brake lights. — Below is a brake pad wear indicator, if it lights up, check the brake pads, maybe it’s time to change them. — Seat belt warning light — this is clear from the picture.

On the other side from above:

— Low engine oil level — Low washer fluid level — Increased coolant temperature

This is how the review turned out. If some light comes on and the signal beeps, do not panic. Usually it's little things.

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Reasons for installing BC in a car

A standard place in the instrument panel for the on-board computer. There is a blank in the photo.

The first version of the on-board computer installed on the VAZ-2114, although it had few functions, easily monitored the basic parameters of the car:

  • Monitoring the fuel level and its calculation of the number of kilometers traveled - this function allows the driver to make a decision about refueling in advance.
  • Coolant temperature control - this function prevents engine overheating due to timely notification of the driver.
  • Diagnostics of individual vehicle components allows you to detect and eliminate problems that have arisen with maximum accuracy, and most importantly mobility.

More information about the functions of the on-board computer

On-board computers on the VAZ-2114 are capable of displaying the following information on their operating screen:

  • Instant indicators of engine performance, its speed, temperature, readings of real and average fuel consumption.
  • Information about car mileage, travel time.
  • The ability to accurately read errors that have arisen in the system, which will allow you to immediately determine whether it is worth contacting a car service about the malfunction or whether it is possible to fix everything yourself.

Modern on-board computers, such as Multitronics - C340 and its analogues, can also:

  • Monitor and inform the driver in advance about the next technical inspection and car insurance, thereby performing the function of an organizer.
  • Independently change fan activation parameters, change notifications about sufficient engine warm-up temperature.
  • It is possible to connect parking sensors.

Please note that in order to activate other advanced functions found in your bookmaker, you may need to update its firmware.

How to reset the average fuel consumption on a Lada Vesta

To set the fuel consumption indicator to zero, you must:

  1. Turn off the engine.
  2. Engage neutral gear, squeeze the handbrake.
  3. Turn the ignition to position “1”.
  4. Press and hold the upper button of the lever - switch on the right side for 2 seconds.
  1. After the indicator flashes, briefly press the same button twice.
  2. After resetting the readings, press once to exit the “directory”.

Conclusion

Resetting the average fuel consumption of a Lada Vesta car to zero is quite simple; even an inexperienced car enthusiast can cope with the task. The presence of a “meter” allows you to track engine fuel consumption online.

If the range is exceeded, the driver can contact the service station for a comprehensive diagnosis, providing the recorded data to the specialists. This will make it easier to identify the breakdown. In all non-standard situations, seek help from service station specialists and auto shop managers.

What to do if the on-board computer on the VAZ-2115 stops working

Sometimes it happens that even though the car is in full working order, the on-board computer completely refuses to work. What to do in this case?

Of course, you can try to fix the problem yourself. But it’s still much better if a real specialist does this. It is he who will be able to reliably determine the cause of the device malfunction.

But before going to the service center, the first thing to do is check fuse F3, which could simply have blown. It should be borne in mind that on a VAZ 2101-2107 it is not at all necessary to purchase a new clutch disc and replace the old one. It is installed in the power supply circuit of the VAZ-2115 processor. If, after replacing the fuse, the on-board computer still shows no signs of life, you can also check the connectors connected to it. We repeat that if you are not an electrician, and generally do not have much knowledge of electronics, this task should be entrusted to a professional.

Remember, any malfunction that the on-board computer shows can be eliminated, just like a breakdown of the on-board computer itself. But, as they say, it is better to prevent a problem than to solve it later. Therefore, each car should be kept in good condition, undergo technical inspection on time and replace spare parts that are out of order. Among other things, it is better not to allow spare parts to break at all, but to replace them as they wear out. There is another fuse near the motor. On the VAZ 2115, can you tell me where it is located? Only in this case will driving the car be safe from a technical point of view, and during the trip there will be no emergency situations associated with improper operation of the car.

The serviceability of your car is a guarantee of the safety of both the driver and passengers.

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Cause of error 14 on VAZ 2114

In addition to built-in on-board computers, models 2114 and 2115 with an injector have an error detection function through the dashboard. By holding down the odometer button and turning the ignition to the first position, the self-diagnosis process begins. The functionality of the fuel gauge, tachometer, speedometer and coolant temperature needles will be checked.


The reason for the appearance of code “14” lies in the following points:

  • The temperature sensor is faulty;
  • There is a break in the DTOZh connection circuit;
  • The error codes were summed up and displayed on the panel as the sum “14” (options for other faults should be selected);
  • The insulation of the sensor is broken, as a result of which it no longer transmits correct readings.

As soon as error code 14 appears on the instrument panel of the VAZ 2114, you should replace it or check the reliability of the wiring connection to the DTOZH. In the VAZ 2114 model (injector, 8 valves), this element plays a rather important role in the formation of the correct air-fuel mixture and is responsible for the timely activation of the cooling fan.

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How to Reset the On-Board Computer on a VAZ 2114

STAT instructions for on-board computer for VAZ 2114 and 2115. What, why and how

The STAT operating instructions for the VAZ 2114 and 2115 will help you determine and understand the purpose of the aircraft. The main function of the device is to inform the driver about the technical condition of the car. Using the codes, you can find out the status of the fuel system, power supply and other important components.

Some luxury variants of the VAZ 2114 come with a standard BC, while other models have space to install your computer and all the connectors you need. Installing a quality device detects the vehicle at an early stage and corrects it in a timely manner.

STAT instructions for on-board computer for VAZ 2114 and 2115

makes it possible to study all the parameters and resources of the aircraft. The principle underlying this device is to transmit sensor readings through a control unit. The data is then processed and displayed on the screen in the form of codes. Using BC allows you to diagnose systems that are not recognized by the controller. Emergency situations are indicated by a symbol that is displayed on the board and accompanied by an audible signal.

Basic data is displayed:

  • Speed ​​limit, fuel balance, travel time;
  • Rotation power supply;
  • Engine condition and engine temperature;
  • Fuel consumption and mileage that can bring cars into balance;
  • Mains voltage;
  • Coolant temperature and throttle position;
  • Error codes;
  • Air circulation, distance traveled, average speed and other useful parameters.

Equipped with emergency signals, BC informs the driver about engine overheating, insufficient battery charge, low fuel level, or a malfunction in the cooling system.

Connecting the On-Board Computer

The VAZ 2114 car model is already equipped with a prepared place for installing an on-board computer. As a rule, a “Multitronics” or “State” computer is very suitable for her. Many car enthusiasts who have experienced all their delights recommend choosing these brands. Moreover, there are versions of this device with a color screen - for amateurs. But this is nothing more than an additional convenience and, apart from “beauty,” is no different from its predecessors.

To connect the on-board computer, you will need to perform some mandatory operations:

  • First of all, you should connect the device itself to power. For this, direct current +12V, which exists in the VAZ, is used.
  • In order for the BC to start automatically simultaneously with the engine turning on, the power used to ignite the engine must be connected to it. If you connect the side lights to an electrical source, the computer screen will dim slightly, which is very convenient when it gets dark.
  • Be sure to connect the ground.
  • Whether or not to send a signal from the fuel level sensor (FLS) depends on the model of the BC used. Some of them themselves theoretically calculate how much has already been used, depending on the indicators of instantaneous fuel consumption and its initial presence in the tank.
  • It also remains to connect the “K-line” controller diagnostic line.

On-board computer connection diagram

If there is no block in the on-board computer

This is what the input for the plug on the VAZ 2114 on-board computer or, in other words, the “connection block” looks like.

As a rule, for all these procedures it is enough to connect a standard four-pin connector with adapters that are provided with the on-board computers. If it is missing, there should also be no problems. General power can be “borrowed” from the cigarette lighter, autostart can be obtained from the ignition switch, “muffler/dimensions” can be borrowed from the backlight of the same cigarette lighter, and ground can be obtained from the body or again from the cigarette lighter.

To avoid any troubles during the above described actions, the mass of the car battery should be disconnected.

The signal from the fuel level meter (FLS) should be taken from the wire, according to the wiring diagram of a particular VAZ vehicle, as well as connecting the diagnostic line.

However, in the instructions that come with the bookmaker, everything is described in sufficient detail, therefore, strictly following it, it is quite difficult to make a mistake.

Even if you received the “on-board vehicle” as a gift and perhaps without recommendations, you can search for them on the Internet, including on forums. But, as a rule, they are all standard and simply depend on their strict implementation.

A trip with a trip computer, as it is also called, will not bring surprises on the road. The driver will be able to control the condition of the car independently and there will be no need to go to a service station again for diagnostics (a rather expensive procedure).

Lada 2114 Quartz Metallic › Logbook › Trip computer 2114-3857010 (bk staff)

A little dream came true, I bought myself an on-board vehicle that I had been dreaming about since my first car) Nowadays it’s so rare to find it here, I saw the ad and picked it up on the same day) How happy the child was when he installed it)) And so that it sits straight and doesn’t wobble I glued it with anti-squeak, there’s a lot left)) For one thing, it won’t make noise)
I’m also throwing in a diagram for connecting the on-board vehicle staff 2114:

How I was tormented by using it to turn off the alarm clock, which was always beeping, but then I figured it out, the instructions were difficult to find, but I will provide them to you in this post

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