Pinout | Me7.4.5

Bosch ME7.4.5

The pinout for the ECU, commonly found in Peugeot and Citroën vehicles, varies slightly depending on the specific plug configuration (Plug A, B, or C). For bench flashing or diagnostics, the following connections are typically used: General Bench Pinout Power (+12V): Plug B, Pin G4; Plug C, Pin H2 Ignition (+12V): Plug B, Pin F4 Ground (GND): Plug B, Pin H4; Plug C, Pin L4 K-Line: Plug B, Pin B1 CAN High: Plug B, Pin J3 CAN Low: Plug B, Pin J4 Boot Mode & Flashing

  • 4.4 Communications

    1. Provide both B7 and B3 (keep-alive + ignition).
    2. Ground B29, B30, and B23 – B23 must be separate from high‑current grounds.
    3. Minimum sensors to run:

      Whether you are: