Me7.4.5 Pinout Access

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

ME7.4.5 Pinout Overview

Airflow/Air Metering & Idle Control

Boot Pin: Grounding the boot pin (often via a 1k ohm resistor for safety) allows the processor to enter its programming state. Critical Pin Descriptions (Peugeot 307 HDi Variant Example) me7.4.5 pinout

If you need:

2. Fuel Pump Does Not Prime

• Pin 19 should send ground to the fuel pump relay coil.
• Check relay activation. Bypass relay to test pump.

• CKP signal: D1
• CKP reference voltage: D2