Elm327 bluetooth does not connect with phone. Can't connect ELM327 Bluetooth adapter to ECU? - Looking for reasons

Instructions on configuring the diagnostic adapter ELM 327 WiFi with programDashCommand download

If you have purchased a chip-based diagnostic adapter ELM 327 and you have difficulties with its configuration, then on this page, you will find instructions in Russian for ELM327. On our site there are instructions for elm327 various modifications ( USB, Bluetooth, Wi-Fi)

Video instruction for connecting elm327 Bluetooth

Comparison of versions of adapters elm327 Bluetooth v1.5 and 2.1. What are their differences and why it is possible not to connect to the car.

So, let's get started, if you haveELM327 Bluetooth diagnostic adapterthen to work with the programTorque You need:

1. Connect the diagnostic adapter ELM 327 Bluetooth to the OBD II diagnostic connector of your car after which you need to turn on the ignition.

2. Then turn on the Bluetooth module on your device (Android smartphone or tablet PC).

3. In the settings of your mobile device You need to go to the section wireless networks Bluetooth and press search for new equipment to pair. A new device will appear in the search window (as a rule, the identifier is "CHX", "OBDII", "CBT", "Vgate", etc.) After that, you can click on the item to pair with the device (you will need to enter the password from the instructions for the adapter, usually it is 1234,0000,1111,9999,6789 ).

4. After that open the program Torque.

5. Go to the program menu item "settings".

6. Open the section "OBD2 adapter settings / Select bluetooth device"and select your adapter ELM 327 Bluetooth(has identifier "CHX", "OBDII", "CBT", "Vgate", etc.) from the list.

7. After that, click on the icon that says "Adapter Status" and check the connection (green checkmarks should appear next to the first 3 items in the list).

8. You can also select the protocol manually in the item "Vehicle profiles" (located in the same menu as "settings").

9. Then you can start diagnosing your car!

Is a special bluetooth device that allows you to quickly diagnose a car, identify errors in the ECU (electronic engine control unit), understand their cause and eliminate them without resorting to the help of qualified specialists (whose services are very expensive).

An autoscanner for diagnostics of the elm327 mini brand appeared on the Russian market relatively recently, but today it is used by a large number of motorists, this fact is directly related to the fact that such devices as, for example, the ELM327 BLUETOOTH adapter we are considering has a number of undeniable advantages relative to a regular visit to a specialist car diagnostics:

As you already understood, having an autoscanner at your disposal is not a waste of money, but a profitable investment that will save you a lot of money in the future.

Features and capabilities of the ELM327 autoscanner

In the delivery set you will find the elm327 bluetooth autoscanner itself, for car diagnostics, as well as a special disk with basic software and elm327 instructions. As a rule, no one uses the disc (since it is in English). Everyone immediately goes to the Internet, and downloads the most suitable program, we will talk about them below. The principle of operation of the scanner is extremely simple - you connect the adapter to the engine control unit, then find it via bluetooth using any supported device (smartphone, tablet, laptop), open it in advance installed program and all the data is already in front of your eyes.

Now in more detail about the tasks that this device will be able to help you perform:

• Monitoring indicators of sensors installed on your car;
• Identification of failed sensors and verification of the correctness of the indicators of the sensors;
• Monitoring and reading indicators of error codes (clarification of the meaning of each code);
• The ability to self-reset errors in real time;

In general, the capabilities of the EML327 Bluetooth autoscanner directly depend on software which you have installed.

As mentioned above, the design of the autoscanner is quite compact, its main part is occupied by a connector, with which it connects a special diagnostic socket on your engine control unit. The rest of the device is occupied by a bluetooth module and a chip with a microcircuit for data processing.

If you do not know where the ECM diagnostic connector is, try looking at the following places:

• Under the fuse box cover;
• In the glove compartment (For example, this is a Renault car);
• Under the dashboard.

ELM327 Bluetooth Autoscanner Compatibility and Working Principle

The ELM327 autoscanner works by connecting the adapter to the ECU using a special OBD-II protocol (On Board Diagnostic). It is necessary to properly connect to the engine control unit.

Be sure to check the compatibility of your car's ECU with this protocol. This standard is supported by all American cars since 1996, and European ones since 2001 for gasoline engines, and since 2004 for diesel engines. To use the autoscanner on a domestic car, clarify the model of the installed ECU (read about this below).

List of OBD2 Compatible Car Protocols

For your convenience, we have prepared a list of supported cars, and protocols and car brands that are absolutely compatible with the OBD2 standard.

ISO 15765-4 protocol

• Opel;
• Ford;
• Jaguar;
• Renault;
• Peugeot;
• Chrysler;
• Porsche;
• Volvo;
• Mazda;
• Mitsubishi.

ISO 14230-4 protocol

• Daewoo;
• Hyundai;

ISO 9141-2 protocol

• Honda;
• Infinity;
• Lexus;
• Nissan;
• Toyota;
• Audi;
• Mercedes;
• Porsche.

J1850 VPW protocol

• Buick;
• Cadillac;
• Chevrolet;
• Chrysler;
• Dodge;
• Isuzu.

J1850 PWM protocol

• Ford;
• Lincoln;
• Mazda.

To ensure the correct operation of the autoscanner for diagnostics, you need to have a device with installed and configured software (smartphone, tablet, laptop or even desktop computer). You can use it as the bundled software, or find a suitable program on the Internet (if for some reason you are not satisfied with the bundled software). If elm327 does not connect to the ECU, it is necessary to clarify what the reason is - the defect of the autoscanner, or a simple incompatibility.

ELM327 autoscanner can work not only via bluetooth, but also via wifi network or using a USB cable. The standard size of the scanner is about 5x3 centimeters, but there are also smaller versions.

Autoscanners working via bluetooth are the most popular, since they are much more reliable in their design, and work with them is the most simple, convenient and intuitive. Among other things, ELM327 series 1.5 scanners are suitable for most vehicles. By clicking on the link, you can buy an ELM327 autoscanner from a trusted supplier.

Now on the autoscanner market, you can find models of the 1.6 and 2.1 series, but you should not buy them, since these devices have a number of restrictions, in particular, they relate to compatibility with ECUs of many car brands. So be sure to specify when buying which adapter series. If the autoscanner does not connect to the ECU, be sure to contact technical support and find out the reason.

Programs for working with the ELM327 autoscanner

On the Internet you can find a lot of software - these are diagnostic programs that will be compatible with the ELM 327 BLURTOOTH 1.5 series autoscanner. There are both free programs and paid diagnostic programs. The most popular at the moment are programs developed for the Android OS, since they can be used through a tablet or smartphone. Such programs for elm327 support the ability to transfer data via Bluetooth.

In general, this kind of software can be installed from the disk that comes with the autoscanner, but you can also find it in Google play and do not bother with connecting a smartphone or tablet to a computer to install these programs. Below you can read about the most popular elm327 programs, and how to use these programs.

TORQUE program

This program is the undisputed leader in the software market, there is both a PRO version and a LITE version (paid and free). So you will have a choice - buy a version with maximum functionality, or use a free version with limited functionality. V free version You will be able to check the functionality of the components of your car, as well as reset errors. The difference between the paid and free versions is the number of displayed vehicle parameters (there are many more in the paid version).

What Torque has to offer:

• Scanning car engine errors;
• A special panel that displays the parameters of the car in real time;
• Checking the correct operation of the oxygen sensor (lambda probe);
• Identification and display of vehicle malfunctions detected by sensors;
• Displaying errors with a large set their parameters;
• Calculation of fuel consumption, cost of travel;
• If you install the Track Recorder plug-in, you will be able to record a video of the trip and overlay the readings of the sensors on this or that part of the trip to determine errors or problems that might arise along the way;
• For programmers who want to somehow modify the program, access is provided to source code, which will allow you to modify the program for yourself.

Among the shortcomings of the program is an incomplete translation into Russian, which, of course, is a little depressing, but judging by the estimates on Google Play, few people care. Here is a video tutorial on setting up the program and further work with her:

After watching the video, you will surely fully understand all the nuances of working with this program.

Car Doctor OBD program

This program is designed to read the current parameters and errors from the car control unit and transfer them to the reader via the OBD2 standard. The program is completely Russified, and is suitable for diagnostics of cars, both domestic and for models produced in other countries of the world. This program is fully compatible with the ELM327 autoscanner.

What the Auto Doctor OBD program has to offer:

• Reading error codes and recognizing them;
• The ability to reset errors in real time;
• Determination of the current state of the vehicle by sensors (speed, load, coolant temperature, fuel system, vehicle speed, average fuel consumption, air pressure, ignition timing, intake air temperature, DMRV indicators, throttle position, lambda probe indicators, fuel pressure level , and other indicators, depending on the capabilities of the ECU of your car);
• Accurate determination of the VIN number of the vehicle body.

We can say that this application takes a solid second place after the previous one, you can see a lot of positive reviews on Google Play about it.

You can also watch a detailed video with instructions for working with this program:

OpenDiag Mobail Program

The program is perfect for owners of injection vehicles of the VAZ, GAZ, ZAZ and UAZ families. Simply put - this program is designed exclusively for domestic cars. The program runs on Android and is completely in Russian. Pairing with the ELM327 autoscanner is excellent, all functions work flawlessly. By the way, the functionality of this program is very extensive, and even somewhat more than that of analogues. But, as mentioned earlier, this program is exclusively for domestic car brands.

And here is a list of ECUs with which you can safely use this program:

VAZ family

• BOSH ECU - M5.4 R83 series;
• BOSH ECU - M1.5.4 E2 series;
• BOSH ECU - MP 7.0 E3 series;
• BOSH ECU - MP7.0 E2 series;
• BOSH ECU - M7.9.7 E3 / E4 series;
• BOSH ECU - ME 17.9.7 series
• BOSH ECU - Series M7.9.7 E2
• ECU January - series 5r83;
• ECU January - Series 5 E2;
• ECU January - Series 7.2 E2;
• Itelma - version VS5.1 E2;
• Itelma - version VS5.1 R83;
• Itelma and Avtel - M73 E3 version;
• Itelma - M74 version;
• Itelma - M74K version;
• Itelma - M74CAN version;
• Itelma - M74CAN MAP version;
• Itelma - M75 version;

GAZ and UAZ family

• Mikas - VS8 E2 series;
• Mikas - series 11 E2;

ZAZ family

• Mikas - series 10.3 / 11.3
• Mikas - Series 7.6

Compatibility of programs with reading devices

As a rule, most of the released programs can only support devices on the android OS (android), but some programs can also connect to the iOS OS

Where to buy a quality ELM327 autoscanner

On the modern market, you can find many fakes of the ELM327 BLUETOOTH autoscanner. It is very important to choose a proven autoscanner model and buy it from an authorized distributor. In order not to fall for the bait of scammers, you can buy a car scanner by clicking on this link. There you can buy a good, licensed auto scanner, suitable for all brands of cars, at a bargain price, and not worry about its quality. Car diagnostics and its operation will become an interesting and exciting experience for you if you approach them wisely.

If you do not diagnose the car in a timely manner, you can overlook the breakdowns that can lead to extremely expensive repairs. To prevent this from happening, car owners try to periodically visit service centres... However, diagnostic services at the service station hit the wallet hard; not every person can afford such a pleasure.

Modern technologies do not stand still, and today you can find compact OBD2 Bluetooth adapters on sale. Products of this type are distinguished by their affordable cost, ease of installation and use. In this case, the device can be connected to any smartphone or tablet. Thanks to a small adapter costing no more than 1.5 thousand rubles, you can significantly save on expensive and not always high-quality services. Let's consider the main indicators of the device and methods of its adjustment in more detail.

Bluetooth adapters OBD2 ELM327

This device is universal device, with the help of which any car owner will be able to independently carry out preliminary diagnostics of car systems and take timely measures to repair it.

Outwardly, the autoscanner resembles a small box a little larger than a box of matches. It is installed in a standard connector located under the dashboard next to the steering wheel, and does not interfere in any way in the process of controlling the vehicle.

Of course, there are other models of similar devices on the market, but the most best reviews for Bluetooth OBD2 adapter ELM327. Therefore, it is worth considering in more detail the features of this particular model.

If it speaks about the legality of using such a device, then it can be safely used. However, this gadget only allows you to receive data on the condition of the car; it will not work to use them as evidence of the serviceability or malfunction of the car.

What readings the device takes

Thanks to the wireless adapter, you can:

• read standard diagnostic error codes and receive information about them with similar explanations;
• reset errors (for example, extinguish a light bulb reminding you to check the engine);
• display indicators of various sensors on the smartphone screen in real time;
• get basic data about the used PBX.

What are the advantages of OBD2 Bluetooth adapter ELM327

The device has the following advantages:

• fast and easy connection that even a child can handle;
• support for any device or gadget (you can use a phone, tablet or laptop);
• Russian language support;
• high build quality (users note that the device body is made of durable material, the contacts do not come off in off-road driving conditions);
• long warranty period (1 year).

In addition, with incompatibility wireless adapter with a smartphone or the car itself, it can be returned to the manufacturer without any problems.

Disadvantages of the device

Users have not noted any disadvantages of the device. However, due to the great popularity of OBD2 Bluetooth adapters, they began to be counterfeited. Of course, fake products will not work as expected. In this case, the performance of the devices can be very different from the truth.

Therefore, it is worth buying auto scanners only from trusted sellers, and even better - contacting official distributors. Not worth saving.

In addition, some users do not always connect the device correctly. In this case, the device will not produce the necessary parameters and errors at all. Therefore, it is worth taking a closer look at how to connect the OBD2 ELM327 Bluetooth adapter. If you follow the instructions carefully, then a compact scanner will be a real salvation.

We connect an autoscanner on Android

To configure the device yourself, you must first download a small free Torque program... It is in the public domain Google market, so there will be no problems installing the utility.

After that it is necessary:

• Connect the OBD2 Bluetooth adapter to the corresponding socket in the car.
• Start the automatic telephone exchange engine and wait until the indicator light on the autoscanner comes on.
• Go to the settings of the wireless networks of the smartphone.
• Activate Bluetooth and enable search for available devices.
• Choose from the proposed list Bluetooth adapter OBD2.
• Enter the security code if required (usually dialing 1234 is enough).
• Start Torque.
• Go to the smartphone settings again and select the adapter.
• Go to "Connection type" and select Bluetooth by activating the autoscanner.
• Go to the Torque menu.
• Click on "Adapter Status" and wait for the connection between the device and the smartphone.
• Go to the main menu of the utility and select the "Current information" section.

Ready! Now it is possible to receive data on the condition of the car in real time. At the same time, the user can choose which charts he wants to constantly see, and which he absolutely does not need. You can activate or deactivate various screens that show fuel consumption and other parameters in real time.

Connect to Windows

To pair your device with this system, you need to do the following:

• Connect OBD2 Mini Bluetooth adapter to the car's on-board system and turn the ignition key.
• Turn on the computer and go to the "Control Panel", where you will need to select the "Bluetooth Devices" item.
• Add new devices, after which the screen should display a list of all available connections.
• Select an autoscanner.
• Enter the security code.
• Wait for the pairing of the device and the PC system.
• Install any diagnostic software on your computer. Today there are a huge number of them, so finding them on the Internet will not be difficult.
• Run the utility on a laptop. In this case, it is most convenient not to specify the connection ports manually, but to select the automatic connection configuration mode. The program will have to independently find the adapter and pair it.
• Close all setup windows after confirming them.
• Click "Connect".
• Ready!

If an antivirus is installed on the computer, then it can block the suspicious program. In this case, you should choose any other diagnostic utility or add the already installed software to the firewall exceptions. However, this usually does not happen.

Is it possible to connect the adapter via USB cable

In order to do this, you will need to download a small program Baidu Root and install it on.To do this, it is recommended to also install additional smartphone drivers. They can be found on the manufacturer's website. They are usually named D2XXSample.

After that, all that remains is to download the Torque diagnostic program. Next, you need to activate access to the devices connected via the wire and start enjoying all the benefits of the ELM327.

However, this method is considered the most unreliable, since very often the drivers are installed incorrectly. This leads to the fact that the auto scanner is not recognized by the system. It is much easier to use a wireless connection type. In this case, the stable operation of the adapter is guaranteed.

In addition, the USB cable is constantly popping out of the socket, which can also hinder the operation of the device. And the extra wire in the car will be very annoying.

Finally

An autoscanner is an indispensable thing for every car owner. However, it is not recommended to buy cheap fakes. In this case, the device can show that all systems of the machine are working properly, while irreparable changes will occur in the most global nodes of the automatic telephone exchange. Better to overpay and get reliable data in real time.

Over the past decade and a half, on-board computers have become widespread. But problems also happen to them, for example, attempts to connect the ELM327 Bluetooth to a laptop may cause difficulties for some owners.

General information

The ELM327 Bluetooth adapter is intended primarily for pairing an on-board computer and a personal PC or mobile device operating on a stationary version operating system Windows. Device support and drivers are available for all OS versions starting from Windows XP. The list of supported cars should be studied before purchasing, and you can familiarize yourself with it both in the specification for the device and on the manufacturer's official website.

In addition to the adapter itself, a specialized utility is required for operation, which comes with the gadget. Those who, for some reason, do not have such an application in the kit, can find it on the Internet.

For those whose ELM327 Bluetooth does not connect to a laptop, a laconic pattern will be presented below, outlining the key points of the setup, without which performance is not guaranteed.

Connection algorithm

1. The first step is to insert the device into the on-board computer of the car.
2. Go to "Devices and Printers" and add a new Bluetooth device.
3. In the list of visible gadgets, you need to look for the value "OBDII or CHX", and when found, add it.
4. Upon request, enter the PIN-code, which in the first case is "1234", and in the second - "6789".
5. When the addition is complete, outgoing and incoming COM ports will be displayed on the screen. You need to remember or write down the value of the outgoing one.
6. We launch a specialized application and, on demand, set the value of the previously remembered outgoing port.
7. All that remains is to start the engine and pair the devices. After making the connection, you can start working with the car.

What is Bluetooth. Description and features of Bluetooth technology: Video

To display a list of vehicle mechanisms, there is a computer with an LCD monitor on board. If the computer had previously fixed a problem, the driver had to contact a car service. However, with the advent of a scanning device for diagnosing car systems, the need for this decreases, because minor problems can be eliminated on your own. The ELM 327 Interface OBD2 wireless adapter simply plugs in and starts reading information about the state of the car.

This approach reduces the cost of car service and the time spent on repairs, and also enables the driver to better understand the mechanisms of his car.

One of the inventions for automating troubleshooting is the ELM 327 Interface OBD2. previous version of the ELM 327 BST scanner was connected to devices via a cord, and you decide which is best for you - a cheap wired or an expensive wireless one. ELM 327 WiFi functions due to the presence of the Internet, and OBD2 Bluetooth adapter Obdii - due to the presence of bluetooth. Due to this, ELM 327 Interface OBD2 displays information on a PC, PDA or smartphone monitor.

You can buy a scanner with instructions in Russian on the official website. Here you will find prices as well as user-written reviews. The possibility of delivery of the ELM 327 adapter with a switch to the cities of Russia, Ukraine, Belarus and Kazakhstan is presented.

Delivery to CIS countries

Connection rules

It's not enough to buy an ELM 327 wireless auto scanner - you need to know how to use it. The video will help in this problem, and in determining which one is better to choose an autoscanner and whether its alteration is possible.

To connect the ELM 327 scanner to your car, follow the instructions:

1. Stop the car engine.
2. Take the ELM 327 USB adapter and put it in the ELM 327 OBD2 connector. Please note that on every vehicle model, this hole is located at different places- in the glove compartment or to the left of the torpedo.
3. Install the ELM 327 WST Scanner Software CD. You will see the ELM 327 OBD2 utility installed in the menu.
4. Start your car.
5. Activate bluetooth on the equipment for signal output (computer, phone) and receive the file.
6. Open the Driver file with Smart Scan tool ELM 327 and read the data indicated there.

Review of ELM327 v1.5 OBD2 Bluetooth

Now at any time you will read the data on the condition of the car in order to eliminate them yourself or go to a car service.

Together with the Skaner 327 scanner elm bluetooth wake up about car service

Information on the screen

ELM327 scanners display the following data:

• display information about software failures;
• photographing the displayed information by means of a screenshot;
• show summarized vehicle data;
• display the VIN code.

Using the ELM 327 Bluetooth autoscanner, you can see the fuel level, engine, transmission or coolant temperature. The ELM 327 bluetooth autoscanner shows the load on the engine and the situation with the ignition switch. ELM 327 USB with a switch will show the level of air consumption, the state of the brake complex. Also ELM 327 USB with switch will output all data in diagram format.

Operational problems

Difficulty often arises - drivers for ELM 327 Wi-Fi and Smart Scan Tool ELM 327 are installed, but your ELM automotive scanner does not function. For correct work ELM 327 Wi-Fi reinstall the software from the included disk. If you have an Android device, download a scanner from the store. Reviews of Smart Scan are positive due to the free utility. Before starting work with the ELM 327 adapter, check the presence of the OBD 2 hole.

Buy with 50% discount
Elm327 reading can be read via Smart Scan on Android OS

Where to buy and what is the price?

You can order an ELM 327 automotive scanner by filling out the form below. You will be contacted by a consultant who will tell you all the conditions for the purchase and delivery of the goods.