How do I flash the computer?

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The firmware of the control unit may be needed wheninstalling it on another car or when replacing the engine. Also, the software update is advisable if the power supply was replaced.

The firmware of the computer is a specialprograms stored in the memory of this device. They control the operation of the motor with the help of various sensors and actuators. The computer software is replaced during tuning. Experts on car improvement work with the part of the firmware that contains:

fuel maps;
limits;
data that the processor accesses during signal processing.

ECU firmware

Before updating the softwareyou should download the firmware itself and one of the downloaders on the Web. In addition, you need to prepare a k-line adapter, power supply and personal computer.

Stages of firmware

Connect the computer to the adapter;
Connect the adapter to the PC;
Apply voltage to the k-line;
Turn on the computer;
Disable antivirus and installed firewalls;
Start the saved ECU programmer;
Select the port to which the adapter is attached;
Select the type of controller;
Wait until communication with the control unit appears .;
After that go to the computer reading and specify the folder with the firmware stored in the PC's memory;
Select the programming option and wait for the operation to finish.
Disconnect the unit from the PC, install it in the car. Turn the ignition on, wait for the petrol pump to turn on, then turn it off. After that, turn it on and start again.

During reflashing, excessive voltage can not be used, since it can disable the part. Now you know how to flash ECU. You will also be interested in our other articles: