Genuine Nissan Altima Air Bag

Nissan Altima Air Bag Parts Questions & Answers

• Air Bag Driver Side Module Assembly
  98510-JA18A
  Q: What features and safety mechanisms are included in the Supplemental Restraint System (SRS) of Nissan Altima?

  A: These models incorporate an SRS or what is commonly called the airbags that helps in shielding the driver and the passenger from major risks during impact of head on accidents; moreover, some models are provided with side impact air bags either in the front seat or along the roof rail. The airbag modules are made up of a housing that encloses the airbag and inflator unit in which the inflator assembly has been fixed on the back of the housing such that when an electrical signal is received, the bag inflates almost immediately. This signal is transmitted through a spiral cable which is flat, a ribbon-like electrically conductive tape irrespective of the position of the steering wheel. Steering wheel with air bag module, above the glove box on the passenger's side, and in some models the side impact air bags are arranged in the seat backs and head level air bags along the roof rails. The diagnosis/sensor unit which has an indention of microprocessor and crash sensor continuously check the working of the system while starting the vehicle and turns on the check light of the "AIRBAG" if the system is in working order. In case a fault is detected, the light keeps on and this means it is customers who need the service immediately. The diagnosis/sensor unit is fixed on the lower part of the center console while the crash zone sensor is on the radiator support, and the side airbags sensor is located at the door "B" pillar. Concerning airbag deployment, there has to be an impact sensor that completes the circuit to the inflator. A self-diagnosis circuit illuminates the light on the instrument panel when the key is turned on and should go off after approximately five seconds the usually means that the system is functioning correctly; it is the duty of a driver to check the dash for abnormality. When undertaking tasks close to the SRS system there are measures that have to be observed such as on the SRS system, turning the steering wheel to the straight position, disconnecting the battery cables and earthing oneself due to the static electricity build up. To reactivate, the airbag requirements involve reconnecting the required connectors, then to make sure no one is in a vehicle and check whether the airbag warning lamp is working appropriately. The bolts of an airbag system are also of one-time use and it is required to fit new bolts or factory bolts as the case may be. Passenger airbag module can stay in place even when the instrument panel is removed and it is recommended to leave airbag module removal to a professional. Further, pyrotechnic units inside the front seat belt retracters are fitted on all models and they inflate during an impact to tighten the belts and boost safety of the driver and other passengers. Air bag operation should be turned off anytime work is done on or near the seats.