DTC 54/B0106: Open In Passenger-Side Air Bag Module Squib Circuit: Description
WARNING: This page is about a different car, the 2002 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
The passenger-side air bag squib circuit consists of the air bag sensor assembly and passenger-side air bag module. The squib causes passenger-side air bag to deploy when all deployment conditions are satisfied.