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Occupant Classification System: Precaution

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Some systems need to be initialized after reconnecting the negative (-) battery terminal (See INITIALIZATION ).
  1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT 
    1. Perform zero point calibration and sensitivity check if any of the following conditions apply.
      • The occupant classification ECU is replaced.
      • The passenger airbag ON/OFF indicator indicates OFF when the front passenger seat is not occupied.
      • The vehicle is brought to the workshop for repair due to an accident or a collision.