Side Air Bag Sensor Assembly
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 side air bag sensor assembly is mounted in right and left center pillar. It consists of a lateral deceleration sensor, safing sensor and diagnosis circuit. It sends signals to the air bag sensor assembly to determine whether side air bag module must be deployed or not.