| Pin | Signal Description (ENG) | |---|---| | A1 | Throttle position sensor signal 1 | | A2 | Not used | | A3 | Not used | | A4 | Coolant temperature sensor ground | | B1 | Heated oxygen sensor (downstream) negative signal | | B2 | Not used | | B3 | Not used | | B4 | Not used | | C1 | Heated oxygen sensor (upstream) negative signal | | C2 | Heated oxygen sensor (upstream) positive signal | | C3 | Not used | | C4 | Intake air pressure sensor ground | | D1 | Heated oxygen sensor (downstream) positive signal | | D2 | Not used | | D3 | Electronic throttle body ground | | D4 | Cylinder detection sensor ground | | E1 | Not used | | E2 | Throttle position sensor signal 2 | | E3 | Throttle position sensor power | | E4 | Intake air pressure sensor power | | F1 | Intake manifold pressure sensor signal | | F2 | Not used |
Make sure the ground pin is securely connected. Supplement it by clamping a ground wire directly to the aluminum chassis of the ECU.
The is a widely utilized engine management hardware platform found extensively across PSA Group (Peugeot and Citroën) vehicles powered by 1.6L 16V petrol engines. Whether you are performing engine remapping, standard data diagnostic checks, an immobilizer bypass (IMMO OFF), or outright clone recoveries, having an exact understanding of the ME7.4.5 pinout configuration is paramount to prevent short-circuiting the hardware. Hardware Architecture Overview me7.4.5 pinout
Known for providing detailed pinout maps.
While the tables above represent a standard pinout for the ME7.4.5, variations between vehicle models (PSA vs. VAG) and specific hardware versions are possible. Always consult the factory wiring diagram for your exact make, model, and year before connecting any tools or making modifications to the wiring harness. | Pin | Signal Description (ENG) | |---|---|
Engine Control Unit (ECU) is a critical component in many PSA (Peugeot/Citroën) vehicles, specifically those with the
The Bosch ME7.4.5 interface is designed for high-speed data exchange between the engine management system and diagnostic equipment. Professional automotive technicians utilize the pinout configuration to monitor real-time sensor data, check for diagnostic trouble codes (DTCs), and ensure the integrity of the vehicle's electronic architecture. Whether you are performing engine remapping, standard data
Bosch ME7.4.5 ECU Pinout for Bench & Boot Mode (Peugeot/Citroën) Post Body:
. Accessing its pinout is essential for bench diagnostics, ECU cloning, or recovery via boot mode Essential Bench Connection Pinout