Me7.4.5 Pinout [extra Quality] May 2026
Finding a reliable pinout for the Bosch ME7.4.5 ECU is essential for anyone looking to perform bench flashing, chip tuning, or diagnostic repairs on Peugeot and Citroën vehicles. This ECU is commonly paired with the 1.6L 16V (NFU/TU5JP4) engines found in the 206, 207, 307, and C4.
Pinout and wiring diagram
6.0 Conclusion
The ME7.4.5 pinout follows a logical Bosch architecture but requires strict attention to ground integrity and CAN bus communication for proper operation. When diagnosing faults, technicians should prioritize checking power supply pins (A3, A6) and ground pins (A1, A2, A4) before proceeding to sensor checks. me7.4.5 pinout
middle connector (often referred to as Connector B or the 48-way connector) small connector (Plug C) are typically used +12V Power Supply (K30): Ignition (+12V): Finding a reliable pinout for the Bosch ME7
Significance of ME7.4.5 Pinout
- Pin 50: CAN bus high (CAN_H)
- Pin 51: CAN bus low (CAN_L)
Hardware Modification: Enabling boot mode on an ME7.4.5 typically requires opening the unit and making temporary circuit changes. Pin 50: CAN bus high (CAN_H) Pin 51: CAN bus low (CAN_L)
- Provide both B7 and B3 (keep-alive + ignition).
- Ground B29, B30, and B23 – B23 must be separate from high‑current grounds.
- Minimum sensors to run:
Communication Pins
| Pin Number | Pin Name | Description | | --- | --- | --- | | 50 | CAN_H | CAN bus high | | 51 | CAN_L | CAN bus low | | 60 | LIN | LIN bus |
