Diagnostics of Lada Granta, error codes and methods for eliminating them

P The control unit has detected a mechanical malfunction of the charge drive at idle speed. R The ignition switch-off timer in the engine control system has failed.

Combination Explanation P As stated above, code P is a common combination when diagnosing Chevrolet cars. P means the receipt of incorrect data to the control unit from the ABS unit.

In particular, when RBC appears, it reports a malfunction of the rough road sensor.

Chevrolet Niva error codes. Carrying out diagnostics.

At this moment, there is no need to worry, since the appearance of such messages may be due to a lack of communication with the device itself. You should also check whether the Chevrolet Niva error P0118 is installed with a standard anti-theft system, if so, then check the adapter itself. If there is a standard location, then it is connected to the diagnostic line between the ECU and the immobilizer.

And if it is missing, a plug is installed in its place. To restore the Chevrolet Niva error p0118 connection, a jumper is installed with the contacts, as shown in the picture below: Depending on the year of manufacture of the model, the connectors may differ from each other. Self-diagnosis If it is not possible to check with a special device, then this can be done using self-diagnosis, which will help to quickly identify all problems associated with the operation of the car.

The speedometer needle will begin to rise to the top; by pressing again, information about the firmware will appear on the screen, and by pressing again, all existing errors will appear. Let's take a closer look at Chevrolet Niva error codes with decoding: As practice shows, knowing how to perform an independent check is very useful, since this knowledge helps to quickly identify a malfunction and eliminate it in a timely manner.

Check engine error If the check engine light comes on on a Chevrolet Niva car, this warns that there are malfunctions associated with engine operation.

Chevrolet Niva error p0118 lights up at the moment when the engine begins to record a failure or error and writes a specific code into its memory. P, P The exhaust gas recirculation valve is faulty or blocked - the device needs to be replaced.

R The on-board computer has detected a controller malfunction - the device needs to be reprogrammed. P The control unit reports incorrect operation of the motor control system controller.

How to decipher error codes on Chevrolet?

P The control unit receives incorrect data from the Chevrolet Niva processor error p0118 in the engine control module. Sometimes resetting the error and installing a so-called fake instead of a second oxygen controller helps. The catalyst device itself cannot be repaired; it can only be replaced with a new one. User A car enthusiast spoke about solving problems in the operation of the power unit in a Chevrolet car. Malfunctions of sensors Separately, we should consider problems with the Chevrolet Niva error p0118 controllers.

Error code Description and troubleshooting tips P, P, P, P, P, P One of these combinations reports problems that have arisen in the operation of the heating device of the oxygen controller or lambda probe.

More detailed diagnostics of the functioning of the sensor is required; there may be a problem with its connection. Therefore, it is also necessary to check the electrical circuit for an open or short circuit. Chevrolet Niva error p0118 The conductors are damaged, they must be replaced, the failed lambda probe P is being replaced, P The problem is related to the second oxygen sensor, in particular, it does not send a signal to the microprocessor module.

This leads to incorrect operation of the power unit as a whole, since the air-fuel mixture cannot form in the cylinders. The problem is caused by the regulator itself or problems in the power line.

Niva Chevrolet Error P0118 (High signal level TOZH)

A detailed diagnosis of the device and its plug is required; the oxidized contacts must be cleaned. If the wires are damaged, they are replaced or restored. P Malfunctions in the operation of the pressure control device in the manifold assembly. It is necessary to check the sensor and, if necessary, change it. P The absolute pressure controller is faulty. P Overload of the IAC control circuit. P Short circuit to ground in the Chevrolet Niva control circuit, error p0118 idle speed IAC.

P Chevrolet Niva error p0118 short to on-board power source or open circuit for controlling the idle air control regulator.

P Open circuit of the electric fuel pump relay control circuit. P There is no response from the car's anti-theft APS system or the circuit is open.

Niva Chevrolet error 10 what to do | Auto Bryansk

Every modern car owner knows about the existence of an on-board computer, which can not only indicate the basic parameters of the operating mode (speed, consumption, temperature), but also recognize errors caused by various malfunctions. Unfortunately, Chevrolet Niva error codes cannot be deciphered without additional tables, since there are too many of them. Let's consider various diagnostic methods.

We receive the first signal about the presence of a malfunction using the indicator on the “Check-Engene” panel.

After turning on the ignition, all systems are tested, and if no errors are detected, this indicator goes out. Otherwise it remains burning. Specialized centers will quickly identify the error and not for free, but the Chevrolet Niva has a built-in on-board computer that can allow you to deal with the problem yourself.

Self-diagnosis

Without going into details of the operation of all electronics, we note that the functioning of all vehicle systems is “monitored” by an electronic control unit (ECU).

It receives information from numerous sensors. Like any computer, the ECU requires software called firmware. This firmware is capable of analyzing indicators received from sensors, comparing them with normal parameters, identifying errors and storing these errors in memory.

Carrying out self-diagnosis

In the Chevrolet Niva, as in some other cars of the VAZ family, some parameters can be displayed on the VDO dashboard. It is often called an integrated on-board computer.

Testing is started by first pressing the daily mileage reset button and simultaneously turning the ignition key.

All instrument needles begin to move, which indicates the beginning of the testing process. Pressing the same button once will cause the firmware version to appear on the display, and pressing it again will give us a reading called an error code.

Panel codes should not be confused with ECU codes, which are diagnosed by external devices.

The operation of the on-board computer cannot be called flawless, since many errors arise as a result of software failure. You have to reset the errors by holding down the daily mileage reset button in testing mode. This diagnostic method is not entirely convenient for the reason that the error code can be the result of the sum of two codes at the same time (10=8+2).

Diagnostics with a scanner

The information in this section is quite extensive, since there are many types of scanners.

The basic principle of their operation is that all data, including errors, is transmitted from the ECU to a special diagnostic connector, which in a Chevrolet Niva is located on the driver's side under the steering wheel.

The scanner's job is to read and decode these messages.

Note that there are dealer scanners, that is, those that are designed for a given car. For Chevrolet Niva this is BC State.

It is inserted into the panel instead of the signaling device, and the information loop is prepared from the factory.

Universal scanners should be connected to the diagnostic connector. The most popular scanners today are models that allow you to transmit information via Bluetooth.

To do this, you need to install the appropriate application on your smartphone, for example, OpenDiag, and connect it to the scanner.

The program interface allows you not only to read the parameters, but also to manage some of them. You can also reset all errors from your smartphone. There are scanners with their own display. All error information in the form of codes is displayed on this display.

Chevrolet Niva error codes

Errors transmitted through the diagnostic connector are displayed on an external device as a four-digit code. There are special tables that allow you to decipher these codes.

Code Explanation

Source: https://autobryansk.info/niva-shevrole-oshibka-10-chto-delat.html

What does the error consist of?

In Chevrolet cars, error codes can be two- or five-digit. The type of combination depends on the diagnostic method - in the first case, a self-test is performed, in the second, a check is performed using a computer or a diagnostic scanner.

In five-digit combinations, the first character determines whether the error belongs to the system with which the problem is associated:

• P—failure of the vehicle engine or gearbox (automatic or manual transmission);
• B - problems recorded in the operation of the car’s body components - the SRS passive safety system (Airbags), central locking, electric windows, etc.;
• C - combinations related to the vehicle’s chassis and chassis;
• U - problems with the electrical and electronic parts of the car, as well as the interaction system between the control units and the CAN bus.

The second character in the code means:

• 0 is a common sign for all codes decrypted through the OBD2 system;
• 1 or 2 - general code of the machine manufacturer;
• 3 - reserve sign.

The third character of the error code indicates the type of malfunction:

• 0 - vehicle systems as a whole;
• 1 and 2 - malfunctions associated with the operation of fuel and air supply systems;
• 3 - malfunctions in the operation of elements of the ignition system or power lines connecting them;
• 4 — failures recorded in the operation of additional control and release mechanisms and systems;
• 5 - malfunctions in the functioning of the components of the idle speed system of the power unit and the speed of movement;
• 6 - malfunctions in the operation of the microprocessor control device of the engine electronic system or its electrical circuits and CAN interface, input and output pulses;
• 7 and 8 - problems related to the functioning of the transmission unit.

The fourth and fifth characters indicate the serial number of the error.

Decoding codes

Now we suggest that you familiarize yourself with the decoding of the combinations. Why errors may occur and how to eliminate them can only be found out as a result of diagnostics.

The elm327 channel published a video showing the diagnostic procedure for a Chevrolet Niva using a special adapter and an Android-based mobile phone.

Common mistakes

First, let's look at deciphering frequently occurring problems that occur in the Chevrolet Aveo in the back of the T250, T300, Niva and other models.

How to diagnose the error?

There are two ways to carry out diagnostics and obtain Chevrolet error codes - using a standard on-board computer and a diagnostic scanner (or a laptop with a program). The second option is more appropriate because it provides accurate information regarding the error and provides recommendations for resolving it.

Self-diagnosis is performed as follows:

1. In a car, the driver presses the odometer button on the dashboard to reset the daily mileage.
2. The key is inserted into the lock and turned to activate the ignition system. This will cause the needles on the speed sensors (speedometer), engine temperature and others to begin moving to the maximum position and back.
3. The odometer button is pressed by the driver once. The control unit software version will appear on the on-board computer display. If you press the daily mileage key again, combinations of faults will begin to appear on the screen. If there are a lot of error codes, the display shows a number corresponding to the sum of these combinations. For example, fault 10 indicates codes 8 and 2, 6 - the sum of the numbers 2 and 4, etc.

To test systems using third-party equipment (computer or scanner), perform the following steps:

1. The diagnostic connector is being prepared. The device can be located under the ashtray, behind the glove compartment, or in the center console, to the left of the steering wheel. The block can be covered with a special plastic protective cover, which must first be removed. If there are traces of dust on the connector, you need to clean it.
2. The diagnostic device is connected to the block. If you are using a computer, you will need a special cable to connect to the connector and USB output.
3. After connecting, the diagnostic utility starts on the computer. If a scanner is used, the device is turned on. Depending on the software, the utility can test all vehicle systems at once or only some of them. The user makes all the settings to choose from.
4. The process of checking the components and mechanisms of the car is carried out. After testing is completed, you can view information about faults on the screen of a laptop or scanner. The received data must be decrypted to determine the cause of the problem, and then eliminate the error. If the repair was successful, error codes can be deleted from the memory of the vehicle control unit.

For Chevrolet Lanos cars, self-diagnosis is performed using the OBD connector and a jumper:

1. The ignition system in the car is turned off.
2. A jumper (a piece of wire clip) is inserted into the diagnostic output; the user needs to close the contact elements marked A and B.
3. The ignition system is activated, but the engine does not need to be started. The canister purge valve, the air conditioning system clutch and the cooling system fan will be activated. The latter will operate at maximum speed. The idle speed sensor will move in different directions from 0 to 160 steps.
4. The Check Engine light will begin to blink, indicating trouble codes in the vehicle's operation. All flashes of the light bulb are separated by pauses, the duration of a short one is approximately 1 s, and a long one is about 2 s. The first is used to separate numbers in a combination, and the second is used to separate codes. For example, code 32 is indicated by three flashes of the indicator light, a short pause, then two more flickers and a long pause.
5. It must be taken into account that each combination output by the engine control unit is output three times in a row, that is, code 32 will be displayed in the format 121212323232. 12 always indicates the beginning and end of issuing codes on Lanos. If there are no combinations other than number 12, this indicates that there are no errors in the operation of the control module.

Video: computer diagnostics of Chevrolet Lacetti

The “Alex ZW” channel in its video showed in detail the process of testing the systems of a Chevrolet Lacetti using a computer and a special program.

Technical description and interpretation of error P2188

This diagnostic trouble code (DTC) is a generic powertrain code. Trouble code P2188 is considered a common code because it applies to all makes and models of vehicles. Although the specific repair steps may vary slightly depending on the model.

This code mainly concerns the value provided by the air/fuel ratio sensor, more commonly called the oxygen sensor (located in the exhaust). Which helps the vehicle's PCM (Powertrain Control Module) to control the amount of fuel injected into the engine.

Specifically, the PCM detects a rich mixture, which means there is too little air in the air/fuel ratio. This code is set for bank 1, which is the cylinder bank that includes cylinder number 1. This could be a mechanical or electrical fault, depending on the vehicle manufacturer and fuel system.

Troubleshooting steps may vary depending on the manufacturer, fuel system type, mass air flow (MAF) sensor type, and wire colors. And also a type of air/fuel/oxygen ratio sensor (AFR/O₂).

How to reset the error?

There are several options for removing errors from the control module memory:

1. Clearing the control unit of codes by disconnecting the battery. To do this, you need to open the engine compartment and simply loosen the terminal clamp at the battery output, and then disconnect it. Further connection is made after 1 minute.
2. Shutdown using the standard on-board computer; this “device” is equipped with an additional function specifically for this purpose. The user needs to enter the main menu of the device, and then select the separate “Errors” section. After this, press the middle button on the instrument cluster, which will trigger a short-term sound signal. Dash marks should appear on the device screen; if they are present, we can conclude that the control unit’s memory has been successfully reset.
3. To remove error codes, you can use a computer with a diagnostic program or a special scanner. The device has an additional function that will allow you to remove combinations of faults from the control unit’s memory.

There is a separate method for removing codes from the control module for Chevrolet Cruze cars:

1. The vehicle's power unit starts and warms up to operating temperature; it is advisable to use increased engine speeds.
2. Then the positive terminal clamp is disconnected from the battery for 10-15 minutes. During this period, the vehicle’s electronic system must check all fault codes in the operation of the power unit and reboot.
3. Then the battery is connected again. The key is inserted into the ignition and turned to activate the system. The dashboard should work.
4. After these manipulations, after one minute the engine is restarted, the power unit should idle for about 15 minutes. During operation, the driver should not press the gas pedal. It is recommended to start the engine 2-3 times.

The cost of diagnosing errors for Chevrolet at service stations in Moscow and St. Petersburg

Approximate prices for computer diagnostics using special equipment at service stations in St. Petersburg and Moscow:

How is self-diagnosis performed?

Most car enthusiasts prefer to regularly go for computer diagnostics of their vehicles. If you do not have the opportunity to visit a service center or do not have a scanner to check the car, then you can do it differently - run the on-board computer diagnostic program. To do this you need to do the following:

1. Press the daily mileage reset button on the odometer and at the same time turn the key in the ignition.
2. If you did everything correctly, the speedometer and gauge needles will begin to move along the scales.
3. Click the reset button again. The display will show the current firmware version of the on-board computer. After this, you need to repeat the action with the reset button so that the bookmaker displays whether there are errors in the system. If they are present, their numbers will be shown on the display.

This diagnostic will not take much of your time; you can quickly check the Chevrolet Niva system. If the number 8 appears on the display, then do not be upset - this error with number 8 is not terrible in most cases, you just need to check individual components of the car.

Self-diagnosis

Without going into details of the operation of all electronics, we note that the functioning of all vehicle systems is “monitored” by an electronic control unit (ECU).

It receives information from numerous sensors. Like any computer, the ECU requires software called firmware. This firmware is capable of analyzing indicators received from sensors, comparing them with normal parameters, identifying errors and storing these errors in memory.

Carrying out self-diagnosis

In the Chevrolet Niva, as in some other cars of the VAZ family, some parameters can be displayed on the VDO dashboard. It is often called an integrated on-board computer.

Testing is started by first pressing the daily mileage reset button and simultaneously turning the ignition key.

All instrument needles begin to move, which indicates the beginning of the testing process. Pressing the same button once will cause the firmware version to appear on the display, and pressing it again will give us a reading called an error code.

Panel codes should not be confused with ECU codes, which are diagnosed by external devices.

The operation of the on-board computer cannot be called flawless, since many errors arise as a result of software failure. You have to reset the errors by holding down the daily mileage reset button in testing mode. This diagnostic method is not entirely convenient for the reason that the error code can be the result of the sum of two codes at the same time (10=8+2).

What does error 8 mean?

In the table for decoding error codes of the on-board computer, error number 8 means that there is low voltage in the electrical network of your Chevrolet. To eliminate it you need to do the following:

• check the battery charge status;
• diagnose and, if necessary, repair the generator.

Most often, error 8 appears due to problems with the battery. It may lose its capacity over time and produce a voltage less than 8 V required for the normal functioning of the electrical network and vehicle sensors. Similar procedures are carried out if the network voltage is too high.

If you think that the error message was not generated by the on-board computer due to a problem, then you can check its readings. To do this, remove the negative terminal from the battery for 10 minutes, and then plug it back into the power supply. If there are no problems, then the error on the dashboard will disappear.

What does error 10 mean on a 2010 Chevrolet Niva?

Now let's take a closer look at what errors can appear in the Chevrolet Niva SUV and what they mean. Types of Errors Thanks to the above decoding, you will always be aware of the fact that error 10 appears on the Chevrolet Niva or scanner. If you still don’t understand any points, you can always contact specialists at an authorized car service center, since self-diagnosis does not always help without certain qualifications.

Therefore, if you want to conduct independent diagnostics, it is important to know where it is. The connector in the Niva is located under the steering wheel on the right side, and the pinout itself is under the dashboard on the driver’s side. To check the on-board computer, you need to use special equipment that transmits all the necessary information to the laptop.

At this moment, there is no need to worry, since the appearance of such messages may be due to a lack of communication with the device itself. One of the simplest diagnostic methods is the information that appears on the dashboard, but in addition to numbers, certain phrases can also be displayed, but the car owner cannot always understand the translation of this message.

Contents 1. It is a laptop computer in which special software is installed, thanks to which self-diagnosis occurs without any problems.

Scanner types: This adapter performs two functions at once. You will also need to install the appropriate software on your laptop. There are a lot of free versions on the Internet. There are universal programs, as well as programs written for a specific car.

After connecting to the computer, you will need to turn on the ignition and launch the program. The connection will happen automatically. The interface of the computer program is very convenient and allows even an inexperienced user to navigate intuitively.

All functionality can be divided into several sections.

What problems may be hidden in the Chevrolet Niva generator

If you are sure that the battery is in good condition and produces sufficient voltage, then you need to diagnose the generator. It is one of the weak points of the Chevrolet Niva. During its diagnostic process, malfunctions may be detected:

• pulley wear or damage;
• wear of current collecting brushes;
• rectifier failure;
• failure of the voltage regulator;
• destruction or wear of the bearing;
• wires are damaged;
• collector wear.

Before dismantling, you can check the generator by paying attention to the headlights and other signs. The malfunction is present in the following situations:

• headlights burn dimmer than usual;
• while the engine is running, the battery discharge lamp lights up or flashes on the dashboard;
• as engine speed increases, the brightness of the headlights changes;
• spontaneous shutdown of the radio;
• rapid battery drain.

If you have these problems, you need to replace the generator or its parts. We will give examples of how to install new brushes on this unit or replace it entirely.

Chevrolet Niva error codes with decoding

You will also need to install the appropriate software on your laptop. There are a lot of free versions on the Internet.

There are universal programs, as well as programs written for a specific car. After connecting to the computer, you will need to turn on the ignition and launch the program. The connection will happen automatically.

The interface of the computer program is very convenient and allows even an inexperienced user to navigate intuitively. All functionality can be divided into several sections.

These are parameters, errors and settings. If the first Niva Chevrolet error decoding section is informational, then using the third section you can control the car systems.

This article will help you with this, as in it we will look in detail at what different combinations of numbers mean and how to correct them.

But before we look at what errors there may be, let’s figure out how to detect and decipher them in general. In order to do this, you must first of all diagnose the car itself, since you can’t do without it. One of the simplest diagnostic methods is the information that appears on the dashboard, but in addition to numbers, certain phrases can also be displayed, but the car owner is not always able to decipher the error and translate this message.

Chevrolet Niva error codes. Carrying out diagnostics.

To find out about the causes of a breakdown on a Chevrolet Niva, decoding the Niva Chevrolet error in more detail, you can use a special scanner. It is a laptop computer with special software installed, thanks to which self-diagnosis occurs without any problems.

Types of scanners: Universal, which are usually used by many specialized car services, but they cannot be called full-fledged since they do not always allow one to identify certain errors. The second type of scanners is dealer scanners.

They are not sold in the public domain; they can only be purchased from an official dealer. P—Open circuit for controlling the injector of the 1st cylinder. P—Open circuit for controlling the injector of the 2nd cylinder.

P—Open circuit of the 3rd cylinder injector control. P—Open circuit Niva Chevrolet, decoding the error with the injector of the 4th cylinder. P—Short circuit to ground in the 1st cylinder injector control circuit. P—Short circuit to the source of the on-board network of the injector control circuit of the 1st cylinder.

P—Short circuit to ground in the 2nd cylinder injector control circuit.

Error codes and their decoding on Niva Chevrolet

P—Short circuit to the source of the on-board network of the injector control circuit of the 2nd cylinder. P—Short Niva Chevrolet interpretation of the ground fault in the 3rd cylinder injector control circuit. P—Short circuit to the on-board power source of the 3rd cylinder injector control circuit.

P—Short to ground in the 4th cylinder injector control circuit.

P—Short circuit to the source of the on-board network of the injector control circuit of the 4th cylinder. An error that appears on the dashboard may indicate that there is a malfunction in the Niva Chevrolet Niva Chevrolet car, and what it means can be understood by decoding it. In such a situation, it is better not to try to fix the problem without help. Club of owners and lovers of the Chevrolet Niva car error 14 on the error code.

Replacing brushes or the generator itself

Current collection brushes wear out most often, so here is a description of how to do this job:

1. Remove the negative terminal from the battery and disconnect the wires leading from the generator casing.
2. Remove the protective cap from the terminals of the positive terminal of the wires. Unscrew the nut that secures the block to the generator block.
3. Disconnect the spring clips and remove the black plastic cover.
4. Unscrew the voltage regulator mountings with a Phillips screwdriver. Take it out along with the brushes.
5. Disconnect the wires from it. Remove the assembly together with the fastening bar, take off the belt.
6. Release the generator from the bracket by unscrewing all the mounting bolts.

The further plan of action depends on what you will change. If the brushes are very worn, they need to be replaced. If the current collectors are visually intact, then the reason may be in other parts of the generator. In most cases, car enthusiasts simply change it entirely.

Why is error 8 associated with brake system problems?

Some car enthusiasts misinterpret error message 8, believing that they need to check the brake system. This is due to the fact that on VAZ cars this fault number indicates insufficient brake fluid level.

The Chevrolet Niva's on-board computer uses different designations, so you should not interpret them in the same way as in the VAZ. If you doubt the condition of the brake system, you can check it during the repair process. First of all, pay attention to the brake fluid level, and then check the pads.