How to change engine control unit settings

07/18/2021 21 919 ECU

Author: Ivan Baranov

Every modern car is equipped with a control unit. This device is designed to ensure the correct operation of the engine and all its systems. Which is the best ECU firmware editor to use, and how do you flash car units yourself? You can find out more about this below.

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ECU firmware editor - will solve problems with the “brains” of the car

Every experienced car enthusiast is well aware of what a car’s electronic engine control unit is and what role it plays in a vehicle. The ECU is so important that many car owners often call this element the “brains” of their cars. Indeed, proper operation of the unit has a positive effect on the operation of not only the engine, but also the car as a whole. But if a part fails, stops working or is “buggy”, then the only option for repairing it is to reflash the engine control unit.

Chip tuning programs: for firmware, editing, ECU settings

Video reviews, video instructions on how to install the diagnostic program and their capabilities can be found on our resources:

Below in the table is a list of programs for chip tuning. Programs for reading and downloading firmware, for editing ECU maps, for removing systems and sensors (EGR) and others.

ChipLoader is designed to read and write FLASH and EEPROM memory of car ECU blocks. For ECUs such as:

• January
• Mikas
• VS
• Bosch
• Siemens
• Sirius.

Atomic Tune 2.8.8 (also Atomic logger, Atomic converter, Atomic UOZ)

Atomic Tune is a program for rolling back the most important calibrations - the control center and monitoring station. Able to diagnose, show detonation, injector loading. Writes logs in ICD format, which will be useful to us for adjusting the injection phase. Can work on both January 5.1 and January 7.2, both on a standard oxygen sensor and on the ShDC.

FunTune is an analogue of the Atomic Tune program for rolling back the most important calibrations - the control center and monitoring station. But unlike Atomic Tune, it can continue training sessions, but requires special cards to work with the firmware file. Cards for j7es.v17.3_dmrv firmware are available out of the box. Also knows how to write logs in ICD, ECUEdit format.

The program is supplemented with several maps, for different firmware, the maps are located in the program folder in the maps folder. The program works only with UDC, on control units January 5.1, January 7.2.

KIA Flasher is a program for flashing the ECU of KIA and Hyundai cars.

KIA Flasher program allows you to record electronic control units Bosch 7.9.7 Kefico of Korean-made KIA cars. In KIA flasher you can select any port to use the program, it allows you to read the ECU passport, view errors that could arise during the operation of the car, it is also possible to reset the KIA self-learning, which must be done after Kia chip tuning.

KIA flasher works with any K-Line adapter, via the OBD-II diagnostic connector, allows you to only write firmware to the block, cannot read it, supports only full-size 512 kb firmware.

Attention! The program only works on Windows XP

OpenBox - needed to read and download firmware into the following control units:

• Mikas 11 and M73A
• J72 and M73(I)
• Mikas-10.3
• Bosch M797
• Bosch ME797
• Bosch M797+
• Bosch M(G)798.

Injector by Andy Frost. The program analyzes logs in ICD format and corrects the firmware file. Using it, it is possible to reconstruct some important calibrations and idle speed using logs.

1. Setting the XX parameters: GB setpoints, GB setpoint coefficient, Transient coefficient, etc.
2. Ignition Setting: Ignition correction according to detonation in two ways, emergency ignition setting for J5LS firmware.
3. Setting up the central heating system using a standard DC.
4. Setting up the BCP taking into account the air temperature.
5. Setting the mixture composition in accordance with the throttle position.
6. It simply simplifies the visualization of the log and simplifies its understanding.

Separately, you should indicate your understanding of the J5LS firmware:

1. Full support for unified J5LS ignition and mixture tables.
2. Setting the throttle mode using DC.
3. Correction of the transition mode Start - XX on IAC.

CombiLDR 2.18 — combiloader ECU firmware loader:

There is also the possibility of minimal diagnostics of these same control units.

CTP 3.21 FULL - Chip Tuning PRO program for tuning ECU firmware:

• GM ISFI-2S
• Bosch 1.5.4
• Bosch 7.0
• January 4, 5.1, VS-5.1
• Mikas 5.4, 7.1

OpenDiagFlasher is designed for programming control units J7.2+, M73, M11, M11ET, M11CR, M11E3, M10.3(+), Bosch 797(+), Bosch ME797, Bosch M(G)798, installed on cars:

• VAZ (Entire model range)
• GAZ (GAZelle, Sobol)
• Hyundai (Getz, VERNA(Accent), Elantra, Coupe, I 10, I 30)
• KIA (Cerato, Ceed, Soul, Rio, Picanto, Matrix, SEPHIA-II, Shuma, Spectra)
• CHERY (Amulet, Fora, CrossEastar-B14, Elara-A21, Jaggi-S21, Kimo-A1, QQ-S11, Tiggo-T11)
• GEELY (MK, CK, FC)
• HAFEI (HFJ7110)
• VORTEX ESTINA
• ZAZ (Sens, Slavuta, Chanse)
• UAZ

Help on pinout of control units - ECU Bosch, Siemens, Magneti Marelli, Continental

Pinout part 2.2 (Bosch, Siemens, Magneti Marelli)

Pinout part 3 (Bosch, Siemens, Continental)

Detailed information with photographs on control units.

The help contains a specific list of control units, and for each unit there is a photograph with pinout for connection via a connector, or directly to the unit.

As well as additional information, for example, for working in Boot mode.

In the link to the video, which shows which control units have this pinout, as well as contacts for boot mode. Below it there is a link to the files.

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1 The role of the firmware editor in the process of reprogramming the ECU

Before programming the ECU, it is worth considering in detail such an important component of this operation as the ECU firmware editor. It is a program designed to adjust the settings and progress of the ECU reprogramming process. If the car owner decides to reprogram the control unit himself, he must have at least one editing program available.

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In modern specialized stores that sell software, you can find a lot of programs designed for editing ECU firmware files. Among them, as among other products, there are leaders. Many experienced specialists include an editor for car chip tuning called “ChipExplorer” among such software. Using his example, you can consider in more detail all the advantages of using such software in the process of reprogramming the ECU.

Why you shouldn't flash the ECU yourself

To achieve results without harming the car, the chip tuner must have knowledge, qualifications and experience. Special equipment and fresh, and most importantly suitable for a specific unit, firmware from proven calibrators are required.

Some car owners try to make reprogs with their own hands to save money. But even if you have the necessary equipment, the savings are minimal - you still have to buy the firmware itself. If you do not plan to professionally engage in chip tuning, it is better to trust the official partners of ADACT. They will carry out diagnostics, select the optimal firmware version and install it with a guarantee.

How to stitch it yourself?

Equipment

Before you decide to reset the ECU with initialization and flash its firmware, you need to become familiar with one of the main components of this process. Namely, we are talking about an editor for car ECUs. An editor is a special program designed to make changes to computer settings. If you decide to carry out this process yourself, you need to prepare at least one editor in advance.

Today, purchasing an editor for editing computer files is not a problem. You can find editors on sale from various brands and for various purposes.

Among the popular ones are:

1. Delphi mt60. The mt60 option is universal because it is suitable for editing most devices, including Mikas from 7 to 11 versions. You can purchase mt60 for Mikas 11 at any specialized store.
2. Openbox. After connecting the equipment cable to the computer connector, you can use the Openbox editor. Openbox is one of the common options. Openbox is a universal editor, suitable for January, Bosch and Mikas 11 blocks. In practice, Openbox interacts with Mikas 11 and other computers, allowing you to increase protection against theft and improve other parameters.
3. In addition to Openbox, you can reconfigure your Mikas 11 computer against theft after connecting the equipment to the connector via a cable using the ChipExplorer utility. Like Openbox, this program is suitable for Mikas 11 and other ECUs.

To configure Mikas 11 against theft using Openbox, you will need a special module that connects to the device via a cable. The cable connector must match the diagnostic output. The procedure for setting up Mikas 11 or another computer using Openbox is carried out in accordance with the instructions.

What do you need to know?

What do you need to know about flashing a Mikas 11 or other computer to increase protection against theft? When purchasing an editor for Mikas 11, you need to check the contents of the package. The kit should include not only a program that will increase protection against theft, but also a USB key that looks like a regular flash drive. If it is not included in the package, you will not be able to use the program. It is advisable that the editor have a license - depending on the manufacturer, it can be either one year or one and a half.

Experts do not advise doing this yourself - it is better to leave it to specialists to avoid expensive repairs.

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What is firmware?

What is ECU firmware, how to properly reflash such a device when connecting it to the diagnostic connector with your own hands, what programmer and equipment to use for chip tuning? ECU reprogramming is the process of reconfiguring the engine control unit with all calibrations. The firmware is a set of programs recorded in the memory of the engine control unit, with the help of which its operation is controlled.

If the driver decides to perform chip tuning of the car, the ECU is reset. Tuners interact with elements of the engine control unit (calibration) to control the combustion of the combustible mixture and the operation of all unit regulators.

In some cases, when performing chip tuning using the editor, only the program code is changed. But this happens less often than making changes to the calibration. The control unit firmware can be located either inside the processor or on an external board; it all depends on the engine model and vehicle.

ECU re-pinning by masters in the field of chip tuning can be done using various programmers and equipment. The price of such equipment for chip tuning is high, but with the use of such programmers it is possible to add serious adjustments to the operation of the unit. The chip tuning itself with such equipment with pinouts, calibration and programmers can be of higher quality if the flashing is carried out by a qualified technician.

Note that the type of interface used for chip tuning for firmware does not matter. The specialist must be sure that, if necessary, he will be able to reprogram the device and restore the factory settings of the engine control unit programmer. In addition, we must not forget that every year automobile manufacturers improve their anti-theft systems. And this complicates the work of a chip tuning specialist. On most cars manufactured before 2008, with chip tuning with pinout and calibration, it is not possible to reconfigure the device without dismantling it.

Screenshot of car computer firmware

What kind of firmware are there?

Today there are a huge number of different manufacturers of equipment programmers for flashing engine control devices. The most famous and in demand are American and German manufacturers, but in Russia, the number of companies producing programmers has recently been growing. This is due to the spread in the territory of the former CIS countries of vehicles with turbodiesel and injection internal combustion engines, as well as modern engine control units. But as a result of the fact that automobile manufacturers initially equip cars with modern anti-theft protections on the assembly line, domestic equipment programmers sometimes do not allow reflashing the ECU.

What does flashing do?

If the chip tuning of the equipment was carried out correctly, then you will feel changes in the operation of the engine immediately, on your first trip. A competently carried out chip tuning procedure allows you to achieve smooth and smooth operation of the unit, as a result of which driving becomes more comfortable. In addition, calibrating and reflashing the engine control unit will increase the engine power and also increase its torque.

These parameters help improve vehicle dynamics, and in some cases you can even achieve a reduction in fuel consumption. But there is no need to chase increased power and constantly reconfigure the equipment, as this can lead to undesirable results. Moreover, do it yourself without experience, as the computer may fail.

Screenshot of the program for reconfiguration

Depending on the programmer and control unit, during the chip tuning and anti-theft procedure, you can change the calibration, on which the operation of the unit will depend. In fact, from thirty to a thousand calibrations may be subject to adjustments. Specialists change the settings of the control unit, parameters for supplying a combustible mixture, starting the engine, etc. changes are made using a diagnostic programmer connected by a cable to the connector. No dismantling or desoldering of the computer board is required. Depending on the car, it may be impossible to improve the parameters using a programmer and connecting it to the connector with a cable.

When you reconfigure your computer, factory settings, in particular anti-theft settings, are saved in memory. Therefore, if the chip tuning process is carried out correctly, you can always return to the standard parameters. Note that for independent reconfiguration you need to use software and programmers from famous brands.