Regardless of the version, Motronic ECU pins are generally divided into four functional categories: ECU Pinout and Electrical tests E30 | RTS - RTSAuto
Grounding is King: Bosch systems are notorious for being sensitive to poor grounds. Ensure the ECU casing and the dedicated ground pins have less than 0.5 ohms of resistance to the negative battery terminal [2]. Conclusion bosch motronic ecu pinout
“Pin 7 – Throttle position sensor” Regardless of the version, Motronic ECU pins are
Common connector types and numbering