2012 Toyota Prius Plug-inFACTORY OEM SERVICE PROCEDURE

Occupant Classification Ecu: Removal: Removal

  1. PRECAUTION 
    WARNING:

    Be sure to read Precaution thoroughly before servicing. Refer to PRECAUTION .

  2. REMOVE FRONT SEAT ASSEMBLY RH 

    HINT: 

    Use the same procedure for the RH side and LH side. Refer to REMOVAL .

  3. REMOVE OCCUPANT DETECTION ECU 
    1. Disconnect the 2 connectors.
      Fig 1: Identifying Occupant Classification ECU, Taped Screwdriver & Claw
      GTY226919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver with the tip wrapped with protective tape, disengage the claw and remove the occupant detection ECU.
      TEXT IN ILLUSTRATION

      *1 Protective Tape
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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