π Note: If you are building a bench harness to flash the ECU, you only need pins 62 (switched 12V), T2/T3 (constant 12V), T1 (ground), and 104 (K-line).
The Bosch ME711 is a popular engine control unit (ECU) used in various vehicles. Understanding the pinout of this ECU is essential for developers, engineers, and enthusiasts working with engine control systems. In this article, we will provide a detailed overview of the Bosch ME711 pinout, including its pin configuration, functions, and applications. bosch me711 pinout
| Pin | Function | Voltage Range | Notes | |------|-----------------------------|----------------------|---------------------------------------------| | | 5V Sensor Supply | 5.00V Β±0.1V | Powers TPS, MAP, Cam sensor | | 77 | Sensor Ground Return | 0V | Reference for all 5V sensors | | 90 | Engine Speed (RPM) Sensor | AC sine wave | 58-tooth crank wheel (G4/G28) | | 91 | RPM Sensor Ground | Shield return | Do not ground externally | | 86 | Camshaft Position Sensor | 5V Hall signal | For sequential injection (G40) | | 89 | Intake Air Temp (IAT) | 0-5V thermistor | Integrated in MAF or manifold | | 101 | Manifold Absolute Pressure | 0-5V linear | 1.8T uses 2.5 bar MAP (G71) | | 97 | Throttle Position Sensor (TPS) Signal | 0.3V-4.7V | Drive-by-wire pedal? Noβthis is main throttle plate | | 98 | TPS Ground (Track 1) | 0V | TPS internal ground | | 99 | TPS Supply (Track 1) | 5V | From pin 60 | π Note: If you are building a bench