Driver's AIR BAG module

Driver's AIR BAG module

The new type steering wheel is equipped with side controls (1) for the horns and in the centre section there is a housing for fitting the module. It is fixed by means of three bolts to the rear of the steering wheel.

The module (2) is made up of a steel plate covered by a plastic container (4) which makes up the centre of the steering wheel. The container houses houses the suitably folded bag (3) and the inflation device. The inflation device contains an electrically activated detonator (5) and a chemical compound (Sodium nitride) for the formation of the gas (Nitrogen)

The rear of the bag has suitably sized openings to assist the deflation of the bag immediately after inflation.

Passenger AIR BAG module

The passenger AIR BAG module (11) is also enclosed in a container fixed to a metal frame. Its composition and operating principle are the same as those described for the drivers' Air Bag module. When the connector connecting the AIR BAG modules is disconnected, they automatically short circuit: a device with a spring (6 detail A) incorporated in the connectors for the modules joins the two terminals. This means that it cannot be accidentally activated.

NOTE AIR BAG modules should be replaced 10 years after they have been fitted which can be determined from the date on the label.