: Connect the positive lead of the power supply to Pin 1 .
This article provides the complete, for the Bosch ME20 ECU, as obtained directly from Bosch engineers. It includes detailed breakdowns of power, ground, sensor, and actuator pins, along with practical guidance for diagnostics, programming, and ECU flashing.
If using an FTDI K-Line cable, go to Windows Device Manager -> COM Ports -> Properties -> Advanced. Set the Latency Timer to 1ms .
To help clarify your specific project goals, could you tell me:
Connect both ground pins to your power supply's negative (-) terminal.
For bench-top communication or basic testing, use the following verified pin connections: Permanent Power (+12V):
This comprehensive guide provides a for Mercedes-Benz vehicles from the late 1990s and early 2000s, such as the M111 and M112 engines. Understanding this pinout is crucial for troubleshooting, engine swaps, performance tuning, and repairs. Bosch ME2.0 Pinout Verified: Ultimate Wiring Guide
The Bosch ME2.0 is a robust Engine Control Unit (ECU) found primarily in late-90s Mercedes-Benz vehicles, particularly those equipped with M104, M111, M112, and M113 engines
Source: General OBDII bench communication protocols for VAG ME7.5. 4. Key Troubleshooting Points
Injector Drivers (Cylinders 1–8, sequential ground-side switching)