Bosch Me711 Pinout |link|

Pin must see battery voltage with the key in "Run" and "Start". This wakes the ECU. If pin 80 is dead, the ECU will not communicate via OBD.

The ME711 requires constant voltage on (Terminal 30). Without these, the ECU is dead. Ground integrity on pins 43, 44, 45, and 121 is critical. A common failure is a corroded engine-to-chassis ground strap, causing erratic sensor readings (especially TPS and MAP). bosch me711 pinout

To connect to a ECU on the bench for reading, writing, or boot mode flashing, use the pinout details below. This unit is commonly found in VAG (Audi/VW) vehicles such as the Audi TT, R32, and Touareg, as well as some Porsche and Bentley models. Core Bench Pinout (Main Connector) Pin must see battery voltage with the key

: Unlike older systems that used simple lookup tables for air and fuel, the ME7.1.1 calculates a "requested torque" based on driver input and then manages throttle angle and ignition timing to meet that demand. Wideband Support The ME711 requires constant voltage on (Terminal 30)