2012 Toyota Prius TwoFACTORY OEM SERVICE PROCEDURE

Occupant Classification System: Precaution: Precaution

WARNING: This page is about a different variant/trim than selected.
  1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system(s) after the cable is reconnected:

    System See Procedure
    Power Door Lock Control System Refer to INITIALIZATION
  2. GENERAL PRECAUTION 
    1. Perform zero point calibration and sensitivity check if any of the following conditions occur:
      • The occupant detection ECU is replaced.
      • Accessories (seatback tray and seat cover, etc.) are installed.
      • The front passenger seat is removed from the vehicle.
      • The passenger airbag ON/OFF indicator ("OFF") comes on when the front passenger seat is not occupied.
      • The vehicle is brought to the workshop for repair due to an accident or a collision.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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