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