Motronic electronic control unit for two-wheelers

  • Function

    How the electronic control unit Motronic for two-wheeler works


    The electronic control unit (ECU) collects all the demands on the engine, prioritizes them, and then implements them. Examples of these demands include position of the accelerator pedal and exhaust-system requirements for the mixture composition. Torque is the key criterion for meeting all of these demands. The air-fuel ratio is adjusted in such a way that torque is provided as economically and cleanly as possible. The ECU also allows active driving safety systems, such as ABS and motorcycle stability control, to intervene in the engine torque.

    The ECU makes it possible to set up a connection with a smartphone. For example, in the future riders will be able to see and store information about fuel consumption, speed, and route length on their smartphones. A smartphone can also activate immobilizers by cutting off the fuel supply.

    Smartphone connectivity will play an additional role – in two-wheeler diagnostics. Riders can see the malfunction data themselves, and can either bring the vehicle in for repairs or delete the data from the fault memory.

    Technical characteristics:

    • 32 bit microcontroller
    • Molded housing, ≤ 44 pins (EPM family)
    • Proper heat dissipation
    • Suitable for 1 or 2 cylinders with idle speed actuator (ISA) or electronic throttle control (ETC) (EPM family)
    • Compliance with emissions legislation up to EU5
    • Specialized SW platform covering all two-wheeler functions
    • Optional software features: digital knock control, flex fuel, failure detection, programmable and data variant handling possible at EOL of OEM
  • Customer benefits

    Versatile – scalable – smart


    The electronic control unit Motronic for two-wheelers is available as a printed circuit board in a variety of housings.

    It is also compatible with upcoming features such as on-board diagnostics (OBD), start/stop, ISO 26262, knock control, and smartphone communication – this enhances connectivity and the overall user experience.

    • Lightweight and compact (EPM family)
    • Rapid and straightforward calibration
    • Easy to maintain while in operation
    • Good thermal conductivity and temperature stability
    • Vibration resistance (EPM family)

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