resistors and remove one specific surface-mount resistor on the internal circuit board. The Boot Pin: Documentation from Piasini Engineering on Scribd highlights the "lay-by pins" at the lower part of the unit. Standard tools like
| Source | How to Use | |--------|-------------| | | Search "ME745" → "Pinout Diagram" tab. | | Ultra Librarian | Sometimes has free community symbols. | | GitHub Hardware Repos | Search ME745.kicad_mod or ME745.lib . | | Wayback Machine | Enter a dead datasheet link → recover archived PDF. |
You can download the ME745 Pinout Diagram (PDF) from the following link: [insert link] me745 pinout free
Immobilizer (Immo) Work: Reading the EEPROM to extract pin codes or performing an "Immo Off" procedure.
Pulling together information from online sources and application notes, here is a reference table for key pins on the ME7.4.5 ECU. The ECU's main connector is a 2-row design (pins 1-44 and 45-88), but here are the most critical ones. resistors and remove one specific surface-mount resistor on
The Iduino ME745 is a small PCB (~7cm x 4.7cm) with clearly labeled screw terminal blocks and pin headers. While a comprehensive official pinout is rare, the design is consistent based on its TL494 architecture.
Ultimate Free Guide to Bosch ME7.4.5 ECU Pinout: Bench Flashing, Boot Mode, and Diagnostics | | Ultra Librarian | Sometimes has free community symbols
Once powered, you can connect your tuning cable (e.g., K-Tag, Galletto) to the and CAN-L (A4) pins to read/write the ECU.
To read or write the full system (Micro + EEPROM) for tasks like or cloning, the ECU often requires being put into DFB Technology Boot Pin Connection
Look at the PCB around the component:
If you provide the (e.g., 5-pin SOT-23) and the circuit context (e.g., "on a 12V to 5V converter board"), a more precise identification — and thus a free pinout — becomes possible.