Occupant Classification Electronic Control Unit (Ecu): Notes
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Occupant classification ECU must be initialized if replaced, accessories (seat back tray, seat cover, etc.) are installed on vehicle, right front seat is removed from vehicle, AIR BAG warning light comes on or vehicle has been in accident or collision.