DTC 56/B1188: Short To Battery In Passenger-Side Air Bag Squib Module Circuit: Description
WARNING: This page is about a different car, the 2004 Toyota Matrix and 2004 Toyota Corolla. 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 circuit causes the passenger-side air bag to deploy when deployment conditions are satisfied.