Me745 Pinout Free [verified] Jun 2026
often use a blue/grey wire configuration for these boot connections. Expert Tips for Success Immobilizer Check: This ECU typically houses a 95320 EEPROM
The Bosch ME7.4.5 ECU (typically found in PSA/Peugeot/Citroën vehicles) pinout for bench tuning or reading/writing generally involves connecting specific pins for power, ground, and communication. Based on common bench programming setups: Pin 5: +12V (Power) Pin 6: GND (Ground) Pin 2: K-Line (Diagnostic/Communication) Pin 3: CAN High Pin 4: CAN Low Pin 1: BOOT (Needed for writing/reading in boot mode) Boot Mode Procedure
To help pinpoint your specific wiring project, could you share (e.g., KTag, Galletto, MPPS), the exact vehicle model , or if you need the internal boot pin location on the board?
| 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. | me745 pinout free
for deep reading or writing (e.g., using Piasini or similar tools), internal modifications are required: Resistor Setup 6.8k Ohm (6k8) resistors to the designated internal pads. Component Removal : One specific internal resistor must be from the ECU board to enable the boot state.
Comprehensive Guide to Bosch ME7.4.5 ECU Pinout: Free Resources and Technical Data
Summary
: For professional tools like Trasdata , specific cables such as F32GN037C are used, where blue and grey wires connect to the boot and CNF1 points. Common Applications P1622 Injection Adjustment Issues | PDF | Clutch - Scribd
Newer tools such as DFB Technology offer "Full System" drivers that allow for full Micro and EEPROM reading/writing via pinout without opening the ECU, which is significantly safer for recovery and checksum corrections.
: 48-pin QFN
While the pinouts outlined above form the backbone of ME7.4.5 diagnostics and tuning, having visual pinout diagrams is immensely helpful. You can find free, community-sourced documentation, high-resolution pinout PDFs, and wiring diagrams on forums dedicated to PSA group vehicles.
To power up the ECU for reading or writing data without the car, you must connect the following pins. Note: Always verify your specific hardware version before applying power. Power and Ground