Grand Caravan V6-3.8L (2009)
to the two initiators. The longer the delay between these signals, the less forcefully the airbag will deploy.
When the ORC sends the proper electrical signals to each initiator, the electrical energy generates enough heat to initiate a small pyrotechnic charge
which, in turn ignites chemical pellets within the inflator. Once ignited, these chemical pellets burn rapidly and produce a large quantity of inert gas. The
inflator is sealed to the back of the airbag housing and a diffuser in the inflator directs all of the inert gas into the airbag cushion, causing the cushion to
inflate. As the cushion inflates, the driver airbag trim cover will split at predetermined breakout lines, then fold back out of the way. Following an airbag
deployment, the airbag cushion quickly deflates by venting the inert gas towards the instrument panel through vent holes within the fabric used to
construct the back (steering wheel side) panel of the airbag cushion.
Some of the chemicals used to create the inert gas may be considered hazardous while in their solid state before they are burned, but they are securely
sealed within the airbag inflator. Typically, both initiators are used and all potentially hazardous chemicals are burned during an airbag deployment
event. However, it is possible for only one initiator to be used during a deployment due to an airbag system fault; therefore, it is necessary to always
confirm that both initiators have been used in order to avoid the improper disposal of potentially live pyrotechnic or hazardous materials. See: Service
and Repair.
The inert gas that is produced when the chemicals are burned is harmless. However, a small amount of residue from the burned chemicals may cause
some temporary discomfort if it contacts the skin, eyes, or breathing passages. If skin or eye irritation is noted, rinse the affected area with plenty of cool,
clean water. If breathing passages are irritated, move to another area where there is plenty of clean, fresh air to breath. If the irritation is not alleviated by
these actions, contact a physician.
Proper diagnosis of the driver airbag inflator and squib circuits requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.
Passenger Air Bag - Description
DESCRIPTION
The horizontal surface of the injection molded, thermoplastic passenger airbag door (1) is the most visible part of the passenger airbag. The passenger
airbag door is located above and forward of the upper glove box (2) opening on the top of the instrument panel in front of the front seat passenger seating
position. The passenger airbag door is secured with screws and a single snap clip around the perimeter to the instrument panel base trim.
