Error codes for VAZ 2110 and VAZ 2112 with interpretation

The VAZ-2114 is based on mechanics, so for many drivers it comes as a real surprise that the car has self-diagnosis. This allows you to avoid checking the operation of the machine at a service station using expensive equipment; the fault can be determined with your own hands at any convenient time, and then quickly eliminated.

Diagnostics of the VAZ-2114 involves displaying an error code on the on-board screen, which indicates a specific breakdown. Error 8, displayed on the panel, stands for insufficient voltage in the machine network. We will tell you how to fix the problem, but first we will teach you how to enable self-diagnosis of the VAZ-2114.

Error Diagnosis Methods

In 2022, errors on the VAZ 2110 on-board computer can be identified in two ways.

Self-diagnosis. The method is feasible thanks to a special option in the on-board computer. The principle is that the system shows faults in the main circuits and mechanisms. The advantage is that there is no need for additional equipment or special programs - everything that is needed is already “hardwired” into the on-board computer. The disadvantages include the low accuracy of the readings.
With the help of auxiliary equipment. This type of procedure is characterized by high accuracy of the read data. Thanks to a third-party analyzer, you can find out exactly where the breakdown occurred, which simplifies the repair process. An obvious disadvantage is the need to connect a computer with a special program. Such equipment is present only in specialized service stations.

Self-diagnosis VAZ 2110: error codes

To enable self-diagnosis mode, the driver or technician will need to perform a certain sequence of actions.

Turn off the engine ignition.
Press the daily mileage reset button and, without releasing it, turn on the ignition. In this case, all digital cells should light up on the display.
Click on any module control button twice.
The device will display the error number.

If everything is done correctly, one of the following symbols will light up on the device:

2 – critical excess of the rated voltage of the on-board network, a short circuit of the main line or loaded components is possible;
3 – a similar error on the instrument panel of the VAZ 2110 indicates that the gasoline level sensor is damaged or there are problems in the sensor’s power supply; to check, you can replace the part with a new one and ring the circuit;
4 - error 4 VAZ 2110 indicates that the antifreeze temperature sensor is broken or its wiring is broken, the problem is resolved in the same way;
5 – the thermometer designed to measure the temperature outside is faulty;
6 – the engine is very overheated, you need to stop and wait for it to cool down, and there should be a sound signal (add antifreeze/water into the radiator);
7 – the lubricant pressure in the crankcase compartment of the engine is below the established norm, the losses must be urgently replenished;
8 – error 8 VAZ 2110, interpretation shows that the brake system is damaged, possibly a drop in the fluid level in the expansion tank or severe wear of the pads;
9 – the battery is completely discharged, the element needs to be charged or replaced with a new module;
E – software failure of the on-board computer firmware; complete diagnostics with a scanner and qualified repairs in a workshop will help here.

Also, error 14 VAZ 2110 or another two-digit number will indicate the presence of two problems. Usually, with such a picture, the ciphers are summed up. For example, error 10 VAZ 2110 may indicate problems in circuits No. 4 and 6.

How to reset errors on a VAZ 2110

Typically, the procedure is carried out after repairing the unit for which the fault code is responsible. In this case, the symbol does not disappear - it must be forcibly reset. This is done quite simply. The user is required to enter the service mode (hold down the daily mileage button), then double-click on any control. After completing the manipulations, a code will appear on the display. To eliminate this, the daily mileage button is pressed for 3-4 seconds and the system is reset. The machine exits the dialog box automatically after 30 seconds of inactivity.

How to charge a VAZ-2114 battery yourself

You need to know how to charge a VAZ-2114 battery not only if self-diagnosis shows error 8. Correct and timely charging of the battery will extend its life. To do this, follow the recommendations of experts:

Remove the battery and carefully go over it with a cloth, your task is to thoroughly clean it from dirt. Focus on the top of the piece.
Now check the electrolyte load indicators. According to service station workers, the electrolyte level should be between the minimum and maximum icons located on the battery case. If the electrolyte is not enough, it must be added to the norm.
Charge the battery when the plugs are turned out with a current of 5.5 A. Also monitor the density of the electrolyte.
While charging, the battery can reach a temperature of 40 degrees, this is the maximum allowable value. However, experts believe that even this figure is too high - it is necessary to lower it to 27 degrees by interrupting battery charging.
When should charging be completed? If a large volume of gas comes from the battery, the electrolyte voltage and its density are kept constant. 3 measurements are taken as a basis.
If the density is different, then it needs to be adjusted. The increased density can be reduced by adding distilled liquid to part of the material. If it is low, use the method of adding electrolyte with increased density.
When the adjustment has been made, do not remove the battery from charging for up to half an hour, then turn it off and check the electrolyte readings after half an hour. If the material level is too high, use a rubber blower to remove excess material.

Diagnostics using a scanner

The method involves connecting an external computer with the program installed. This opens up more opportunities for car diagnostics. In this case, error codes for VAZ 2110 and VAZ 2112 consist of 5 characters.

Letter part:

P – failure or malfunction of the power plant, transmission;
B – body systems are damaged;
C – a problem has been detected in the vehicle’s chassis;
U – violation of pairing of different modules.

First digit:

0 – general value;
1/2 – manufacturer code;
3 – reserve.

Second digit:

1-2 – violation in the air-fuel mixture supply devices;
3 – malfunction of the ignition units;
4 – atmospheric emissions control device;
5 – malfunction of the engine speed or engine speed meters;
6 – failures in electronics;
7-8 – malfunction of the gearbox module;
9-0 – reserve unit.

The last two digits give the serial number of the breakdown and its location.

How to replace generator brushes

To get rid of error 8, which occurred in the VAZ-2114 due to worn alternator brushes, follow these instructions:

Remove the wiring harness.
Disconnect the rubber cap from the terminals of the plus wires, which is designed to protect the part. To do this, unscrew the wire fixing nut and remove the wires from the generator housing.
Remove the black casing, made of plastic, by disconnecting 3 fasteners on spring mechanisms located along the perimeter of the block.
Find the regulator responsible for adjusting the voltage and use a Phillips head screwdriver to unscrew it.
All that remains is to pull out the regulator along with the brushes attached to it, and then disconnect the wire block.
Now replacing the brushes will not be difficult.
Installation of the updated VAZ-2114 voltage generator is carried out according to the same instructions, but in reverse order.

Decoding error codes for VAZ 2110

Next, we consider the decoding of VAZ 2110 error codes that occur most frequently. For ease of reading, the information is divided into logical blocks.

Sensor failures

0030 – the control controller for the temperature of the air entering the intake manifold is damaged;
0032 – a short circuit occurred in the lambda probe lines touching the on-board circuit;
0036 – open circuit of the heater sensor installed after the catalyst;
0102 – Mass air flow sensor does not respond or is damaged, can also be caused by a malfunction of the flow meter, replacing the air filter may help;
0103 – erroneous signal from the mass air flow sensor, the faulty module may need to be replaced;
0112-113 – air temperature controller on the intake manifold – a defect has been detected;
0116 – DTOZh signal is interrupted or does not arrive evenly, the wiring may be damaged;
0117/118 – similar sensor, erroneous/too high signal;
0122/123 – TPS has failed or is acting up, the entire circuit will need to be fully diagnosed;
0130-132 – problems in the oxygen controller circuits;
0133 – slow response from control center 1;
0134 – the voltage in the lambda probe circuit has critically decreased;
0135 – the oxygen controller heater is damaged;
0140 - a similar error on the VAZ 2110 computer indicates a break in the DK2 control circuit;
0222 – TPS, open circuit or short circuit;
0325 – DD is damaged or the power line is ruptured;
0326/0327/0328 – the signal from the knock sensor has exceeded the maximum limit or is too low/line broken;
0336-337 – DPKV is broken or the wires are shorted;
0340/341 – DPRV is out of order or there is damage to the cables;
0342/343/346 – phase distribution sensor failed/control break/short circuit;
0500/0501 – the speedometer sensor is broken or shows incorrect data;
0504 – the actual position of the brake pedal does not correspond to the calculated indicator;
0505/0511 – DXH has failed, the engine speed may fluctuate, you also need to check the lines;
0830 – data from the clutch pedal position sensor is incorrectly read;
1135 – DK1 is damaged, line diagnostics are required;
1141 – the heater of the lambda probe installed in front of the catalyst is faulty;
1513/1514 – the XX sensor is damaged or the wires are shorted;
1617 – the rough road controller produces a value exceeding the nominal thresholds; it does not affect the operation of the internal combustion engine;
2020 – the position dampers of the intake elements do not work correctly;
2122/2127 – the gas pedal position sensor gives incorrect signals, the calculated position differs from the actual one;
2138 - the same, with a violation of pairing with each other.

VAZ 2110 error numbers for the power plant

0101 – Mass air flow sensor gives a false signal, the intake manifold may need to be cleaned;
0121 – there is no power supply to injector No. 3, usually the motor is rough;
0171 - VAZ 2110 engine error indicates that fuel supply is difficult, probably problems with the pump or filters;
0172 – the opposite problem, you should check the air leaks at the fuel line connections;
0204 – no voltage at engine injector 4;
0300 – multiple misfires detected;
0301-304 – similarly for each cylinder in order;
0335 – crankshaft desynchronization;
0363 – there is a misfire in one of the cylinders, the system has turned off the supply of the combustible mixture;
0422 – catalyst clogged;
0441/443/444 – the canister purge valve is damaged or there is no power to the element;
0485 – the main radiator fan is not working properly;
0506/507 – idle speed too low/high;
1140 – the actual load on the engine differs from the measured values;
1301/2 – gaps in the ignition system of the catalyst protection device;
1303/4 – misfire in 3/4 cylinders;
1335 – the throttle valve actuator is not working correctly;
1426 – canister purge valve, wiring damaged;
1545/1578 – throttle valve clogged or broken;
1602 - error 1602 VAZ 2110 indicates that a critical voltage drop has been detected in the on-board network;
2135 – the throttle device is acting up;
2187 - VAZ 2110 injector error says that too lean mixture gets into the working cylinders;
2188 – the opposite value of the above error;
2304 – too much voltage is supplied to one of the ignition coils.

Failures of electronic components and assemblies

0351/0352 – open circuit control of ignition coils No. 1 and 2, respectively;
0480 – the main fan relay circuit is de-energized;
0560 – there are voltage drops in the on-board network;
0562/563 – the voltage in the standard circuits has dropped/jumped significantly;
0601 – read-only memory module error;
0603 – similar for RAM;
0615 – the starter relay is damaged or the wiring is broken;
0628 – Short circuit of the fuel pump relay;
0650 – VAZ 2110 check errors, power failure of the corresponding lamp;
1336 – the wrong controller is installed, the pins of the standard connector may be damaged;
1425 – canister purge valve, short circuit to the body;
1541 – fuel pump control relay module – wiring damaged;
1570 – the immobilizer circuit is damaged;
1600 – the above element is damaged or deactivated;
1603 – the internal part of the microprocessor memory is damaged;
1612 – error reset – procedure failure;
1620 – internal memory module – there is a defect;
1621 – similar for RAM;
6060 – the ECU processor is not working properly;
2AAA – body control module has failed;
U3FFF - The ECU is broken or de-energized.

Electronics

Let's look at some especially annoying error codes, which, as if they don’t affect the speed, but constantly remind you that something may be wrong with the VAZ 2110. These include:

error 1621, warning the driver that the RAM is disabled, that is, code 1621 indicates that the controller is not working, which means that errors are not read, you remain in the dark about what is happening with the systems of your car. Most often, when drivers see the numbers 1621, they ignore them, reset the RAM error (remove the terminal from the battery for a couple of minutes, then put it back on) and drive on. But, after turning off the car and starting it again, they see the same ill-fated code 1621. You can try to carefully inspect the twist near the ECU (to ground), and perhaps additionally solder the factory crimp. However, often even contacting specialists does not help; code 1621 remains on until the RAM memory is changed;
Sometimes it happens that the injector light comes on. This is especially observed in winter, and when the engine warms up well, the light goes out. Although this is not so scary, it is somewhat unnerving, and the light bulb breaks down if it burns for a long time. It’s better to contact a service center where they can update the firmware, then the light bulb will stop bothering you.

Prevention of breakdowns of electrical appliances

To prevent breakdowns of electrical circuits, you must follow a number of simple rules.

Periodically check the contact connectors for oxidation or overheating. Rust disrupts the passage of impulses, which can be read by instruments as damage to the unit.
Once a year, treat contacts with special oils. Lubricants prevent moisture from entering metals, which prolongs their service life.
Replace dry wires in a timely manner. Cracked insulation can cause a short circuit.

Crankshaft and camshaft

code 0335 indicates a malfunction of the crankshaft position sensor. Therefore, when you see 0335 on the computer, you need to check whether the signal is coming from this sensor. If you find that the signal is weak, you can help by changing the air flow if it is excessive (above the maximum). After this, error 0335 should disappear;
When you see error 0340, you know that the camshaft position sensor is most likely faulty. Although in fact, even if 0340 is displayed, the camshaft itself may be in good condition, the car is working as usual. But when the numbers 0340 do not disappear while the engine is running, this unit should be carefully inspected.

Excerpt from open sources

2 - Excessive voltage. 3 - Fuel level sensor error*. 4 — Coolant temperature sensor error*. 5 — Outside temperature sensor error**. 6 — Engine overheating***. 7 - Emergency oil pressure***. 8 - Brake defect***. 9 - Low batteries***. E - Recognition of an error in a data packet stored in EEPROM.

Note: * – an error is registered if within 20 seconds. a sensor break is detected; ** – an error is registered if within 20 seconds. The actual sensor data is not recognized (indication on the LCD is “— °C”); *** – accompanied by an acoustic signaling device.

Source

Oxygen sensor

For some reason, it is quite difficult to find code 0525 in the decoding tables, but this is simply an error in the oxygen sensor, otherwise called a lambda probe. And if you see 0525 on the display again, it means that not everything is in order with the oxygen content in the exhaust.

This sensor is not installed on all VAZ models; it sends a signal to the engine regarding how much oxygen should be in the fuel system. That this sensor does not cope with its duties is evidenced by:

increased fuel consumption;
unstable work at XX;
loss of power, lack of "response".

New Bosch lambda probe

In principle, the lambda probe should be changed after about 60 thousand mileage, but this can happen earlier, especially considering the quality of our gasoline. Therefore, it may display 0525, warning that it is time to replace the oxygen sensor.

Throttle valve

The on-board computer issues two unpleasant errors - 0122 and 0123 when there is a problem with the throttle sensor. Moreover, 0122 will be displayed if the signal level of this sensor is low, and 0123 – if it is high.

Both one and the other, naturally, are not good. Especially if the on-board computer readings are accompanied by increased idle speeds, jerks at low speeds and dips. In this case, replacing the sensor does not always help.

Throttle position sensor

If codes 0122, 0123 are issued, be sure to check the signal and power wires for breaks, and also pay attention to whether there is any leakage through the injector rings. Remember: the main enemies of DPZD are engine washing and also the manufacturing plant, since there are a lot of defects here.

The following material is devoted to common malfunctions of the throttle position sensor: https://vazweb. ru/desyatka/pitanie/drosselnaya-zaslonka. html

Engine malfunctions

Basic codes associated with a malfunction of the VAZ 2110 power unit:

Some of these errors simultaneously indicate other breakdowns in the motor system.

DMRV malfunctions

If the sensor is faulty, the owner of the 2110 will encounter the following codes:

Misfire error

The following codes indicate:

Speed sensor error

Fault codes 2110 indicate:

HF Sync Sensor Error

A breakdown is indicated by code P0335.

Phase sensor error

VAZ 2110 displays crankshaft and camshaft sensor error

The following codes indicate a malfunction of the DPKV:

Error - knock sensor break

Evidenced by code P0328.

Oxygen sensor error

VAZ 2110: rich mixture error

If the air-fuel mixture is over-rich, the following codes appear:

Malfunction - lean mixture

RAM Error 2110: What is it?

Codes related to the operation of the ECU.

Electrical equipment

Malfunctions of the electrical equipment of the VAZ 2110 should be responded to as quickly as possible. By the way, this can be signaled by code 1602, although its decoding sounds like a loss of on-board power supply voltage in the RAM.

Sometimes it is enough to reset error 1602, and it will not appear again. Some people call these numbers “good”; 1602 may appear after the battery is disconnected, due to a voltage surge when starting the engine (for example, in cold weather). However, if 1602 “pops up” constantly, you need to look for a network break.

First, try to clean the battery terminals and secure them well. Did not help? Check the circuit, starting from the “+” of the battery, be sure to check the fuse, fuse link.

Oxidized battery terminals

And also inspect the mass of the ECU, TPS. There are cases when code 1602 appears due to the fact that the security alarm blocks the controller circuit, and it issues this as an error every time. You should contact the installer of your alarm system.