Ignition/spark plugs

Remove and install engine control unit

~1min read
Warning: after installing a new control unit, it automatically receives the immobilizer code. It is not permitted to connect another control unit on a trial basis, as it would then become unusable for other vehicles. Removal
  • Before removing the control unit, we recommend having the fault memory read out and printed by a Fiat workshop. This helps determine which fault is present; see also page 102.

  • Disconnect the negative (-) battery ground cable. Warning: observe the notes in the chapter "Battery removal and installation", see page 251.
Motor-steuergerat aus- und einbauen

  • 1.4-L engine: disconnect connector - 1 - from the control unit.

    The control unit is located on the bulkhead at the level of the injection unit. Unscrew the control unit from the bracket - 2 -.

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A quick Fiat Bravo quiz: every answer comes with an explanation and a link to the manual page.