Toyota 89831-01010 Side Airbag Sensor Assembly

This OEM side airbag sensor assembly detects lateral vehicle acceleration during a side impact event. It transmits a deployment signal to the SRS control module to activate side curtain and seat-mounted airbags. The unit features a MEMS sensing element housed in a sealed plastic enclosure with an integrated electrical connector. Designed as a direct replacement for Toyota Corolla sedan models manufactured between 2009 and 2013. Installation requires mounting to the B-pillar or door structure per factory service procedures. No programming required post-installation.