Locate the Boot Pin on your specific ECU circuit board (refer to your ECU’s wiring diagram).
Using the ST10 Flasher Tool Application Note 157 with ... - Keil St10 Flasher Tool Download
Whether you are remapping an engine, repairing a corrupted ECU, or cloning a module, downloading the right version of this tool is the first step toward a successful repair. What is the ST10 Flasher Tool? Locate the Boot Pin on your specific ECU