DTC B1166/88: Open In Left Side Head Impact Air Bag Module Squib Circuit: Description
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
The left side head impact air bag squib circuit consists of the air bag sensor assembly and left side head impact air bag module. The squib circuit causes the left side head impact air bag module to deploy when deployment conditions are satisfied.