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Me7.4.5 | Pinout 2021
The Bosch ME7.4.5 is a widely used Engine Control Unit (ECU) in PSA Group (Peugeot/Citroën) vehicles, specifically those equipped with the 1.6L 16V gasoline engines. Understanding its pinout is essential for automotive technicians and enthusiasts involved in ECU remapping, cloning, or troubleshooting. Overview of the Bosch ME7.4.5
Because this ECU manages critical engine functions—including electronic throttle control, injection timing, and ignition advance—understanding its pinout is essential for diagnostics, engine swapping, or repairing damaged wiring harnesses.
) and identifies the "lay-by" pins located at the bottom of the ECU unit for specialized boot/CNF1 connections. DFB Technology: full system reading via pinout for complete Micro and EEPROM access. for resistor placement or a full wiring diagram for a specific vehicle model? Bosch ME7.4.5 ECU Pinout Guide | PDF | Computers - Scribd me7.4.5 pinout
The ME7.4.5 operates on the Bosch Motronic ME7 platform, utilizing a triple-connector physical layout (typically designated as or variations based on the exact vehicle harness bundle). Internally, it houses:
| Connector | Color | Rows | Common Label | Primary Function | |-----------|-------|------|--------------|------------------| | (A) | Black | 2 x 40 | A | Main engine (injectors, coils, sensors) | | T60a (B) | Green | 2 x 30 | B | Power, grounds, CAN bus, OBD | | T60b (C) | Blue | 2 x 30 | C | Auxiliary inputs (AC, clutch, cruise, fan) | The Bosch ME7
In instances where the original ECU data is completely lost, a software patch can be applied to the donor EEPROM file to permanently disable the immobilizer request. Keep in mind that a permanent Immo Off on Bosch ME7.4.5 sometimes results in a persistent cooling fan fault or an error message on the dashboard screen depending on the specific firmware version used. Best Practices and Safety Tips
STMicroelectronics ST10F275 (or ST10F280 in some variations). ) and identifies the "lay-by" pins located at
The ME7.4.5 ECU features three large modular plug connectors, typically labeled (Grey), CB (Brown), and CC (Black), or categorized by rows.