Me7.4.5 Pinout Upd May 2026

Bosch ME7.4.5 is a common Engine Control Unit (ECU) used primarily in Peugeot and Citroën (PSA) vehicles with the 1.6 16v (TU5JP4) engine

Sensors: Camshaft position, throttle position, and oxygen sensors. Actuators: Fuel injectors and ignition coils. me7.4.5 pinout

This is the "main" connector for bench flashing and power delivery. G1 +12V Main Power F4 Ignition Switch (Key On) H4 Chassis Ground A4 CAN High (Diagnostics/Data) A3 CAN Low (Diagnostics/Data) B4 K-Line (Diagnostic Communication) 48-Way Brown Connector (Connector B) This connector handles most engine sensors and actuators. Injectors: Controlled via various pins on this block. Oxygen Sensors: Feedback loops for fuel trimming. Throttle Body: Motor control and TPS signals. Flashing and Boot Mode Bosch ME7

1.0 Executive Summary

This report details the pinout configuration of the Bosch ME7.4.5 Engine Control Unit (ECU). This ECU is a prominent Motronic system utilized primarily by PSA Peugeot Citroën and Renault for 1.4L, 1.6L, and 2.0L gasoline engines (specifically the TU5, EW10, and F4P/R engine families). Understanding the pinout is essential for engine conversion specialists, diagnostics technicians, and ECU tuning professionals. G1 +12V Main Power F4 Ignition Switch (Key