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Bosch Motronic Info

Motronic ECU Pinout for the 3B Engine

IMPORTANT - The information on this page is ONLY applicable to the 3B engine. It is NOT transferable to the ABY engine. 

The image below depicts the pin locations as if viewing the connector on the ECU.

3B ECU pinput

The image below depicts the 3B ECU pinout when viewing the cable assembly.

ECU Cable

The following table defines the functionality of each of the 55 pins on the 3B Motronic ECU. 

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: Navigate to the official KNX Association Support Center .

In the automotive industry, ETS stands for . An ETS control module is part of a vehicle’s braking and stability control system. It monitors wheel slip during acceleration and applies brake intervention to prevent the drive wheels from spinning. When one or more drive wheels tends to spin, the control module introduces a specific ETS pressure‑build mode to regain traction. Search results related to this meaning often discuss Mercedes‑Benz ESP/ETS systems, speed‑sensitive power steering, and ABS integration. ets 57 4 download best

The recent ETS2 v1.57 update introduced highly requested features like HDR support , a Scandinavia map refresh, and Dynamic Cargo Loading . : Navigate to the official KNX Association Support Center


Last Updated 12th May 2002