Fiat Bravo Service Manual page 370

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If the vehicle is involved in a violent crash, the ball is released from the magnetic clip and opens the nor-

mally closed (N.C.) electrical circuit interrupting the connection to earth for the auxiliary electric pump

and, as a result, the supply to the injection system.

To restore the connection to earth for the auxiliary electric pump, the seat must be moved backwards

and the switch pressed until it is heard to click.

Even after an apparently minor impact, if there is a smell of fuel or there are leaks from the fuel

system, do not turn the inertia switch back on, but search first for the cause of the problem and

remedy it to avoid the risk of fire.

INERTIA S A F E T Y SWITCH

In order to increase the safety of the occupants,

in the case of an impact, the vehicle is equipped

w i t h an inertia switch located inside the pas-

senger compartment, fixed to the left of the side

This sensor reduces the risk of fire (as a result of

fuel escaping) by deactivating the auxiliary

electric pump w h i c h supplies the injection cir-

The inertia switch consists of a steel ball fitted in

a (tapered) housing and kept in position by the

attraction force of a permanent magnet.

Inertia switch components

1. Complete inertia sensor

2. Outer casing

4. Upper side

5. Engagement side

6. Permanent magnet

7. Permanent magnet housing

8. Steel ball

Common terminal

N.C. Normally closed contact

N.A. Normally open contact

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