This is written for a technical audience (tuners, mechanics, DIY ECU swappers). It assumes the user has verified the data and wants to share it to build credibility.
For ME20.2, the Grey and Black are on the same 64-pin housing but separated by a key. bosch me20 pinout verified
After cross-referencing Bosch technical documents (ESI[tronic]), OEM wiring diagrams from PSA Group, and physical continuity tests on five separate ME20.2 and ME20.4 units, . This is written for a technical audience (tuners,
Typically found internally on the circuit board. Verification often requires bridging a specific pad to ground with a resistor (e.g., 5.1k or 10k ohm) during the initial power-on to put the processor in programming mode. Leo began the delicate work of wiring
Leo began the delicate work of wiring. Based on verified technical data for the , he mapped his bench setup: