Bosch Me711 Pinout Info

For most VAG-based ME7.1.1 units (e.g., 29F800 or ST10F275 variants), use the following standard pin assignments: Connect to Pins 3, 21, and 62 . Ground (GND): Connect to Pin 1 (common ground). K-Line (Diagnostics): Connect to Pin 43 . CAN High: Pin 58 . CAN Low: Pin 60 . Communication Protocols and Universal Harnesses

Entering is critical for full EEPROM or Flash reading when the standard OBD port is blocked. For ME7.1.1, this typically involves grounding a specific "boot pin" on the internal circuit board.

Open the ECU casing to access the internal PCB.

Different tuning tools like KT200 or Trasdata use specific color-coded universal wiring for direct connection. K-Line communication. White: CAN High. Green: CAN Low. Red/Orange: +12V Power supply. Boot Mode Procedure

On many ME7.1.1 boards, the boot pin is located near the processor (often a C167 or ST10 series).

A common expert method involves powering pins 3, 21, and 62 simultaneously while grounding the boot pin for exactly three seconds to successfully trigger the boot sequence. Application Specifics Bosch ME7.1.1 Pinout and Connections | PDF - Scribd

The Bosch ME7.1.1 is a highly sophisticated Engine Control Unit (ECU) primarily found in VAG group vehicles (Volkswagen, Audi, Porsche) and some high-end luxury models like Bentley. Understanding the pinout is essential for bench flashing, diagnostic troubleshooting, and custom tuning. Overview of Bosch ME7.1.1 Pinout