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    • Fiat Magneti Marelli Installation

     

    Fiat IAW Engine ECU Fitting Instructions

     

    The main cause of this ECU failure is a faulty coil pack, hence a new coil pack must be fitted before the ECU is installed.

    Once new coils pack has been fitted please proceed as follow: 

    1. Disconnect the battery
    2. install the ECU 
    3. Reconnect the battery 
    4. Put ignition ON for 1 minute
    5. Put ignition OFF for 1 minute
    6. Start the vehicle 

    After this procedure leave the engine idling for at least 5 minutes, and if the engine management light is flashing then adaptation is required, which can be carried out as follow: 

    1. Leave the engine running on idle until it reaches working temperature (over 80 °C), hence wait until the cooling fan come ON at least once. 
    2. Rev up the engine at 5000RPM for 2 seconds
    3. Release accelerator and allow engine to idle for 2 seconds
    4. Rev up for the second time at 5000RPM for 2 seconds
    5. Release accelerator and allow engine to idle for 2 seconds
    6. Rev up for the third time at 5000RPM for 2 seconds
    7. Release accelerator and allow engine to idle

    After the above procedure the engine management light should extinguish.