2021 Lexus RC F BaseFACTORY OEM SERVICE PROCEDURE

Removal [09/2014 - ]: Procedure

  1. REMOVE CONSOLE BOX ASSEMBLY 

    Refer to REMOVAL [09/2014 - 03/2019] , or refer to REMOVAL [03/2019 - ]

  2. DISCONNECT HEATED OXYGEN SENSOR CONNECTOR 
    1. for Bank 1:
      1. Turn back the floor carpet.
      2. Disconnect the heated oxygen sensor connector.
        GTY504677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Disengage the clamp.
    2. for Bank 2:
      1. Turn back the floor carpet.
      2. Disconnect the heated oxygen sensor connector.
        GTY519074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Disengage the clamp.
  3. REMOVE HEATED OXYGEN SENSOR (for Bank 1) 
    1. Disengage the heated oxygen sensor grommet from the vehicle body.
      GTY505907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
      • SST: 09224-00010 
      NOTE:

      If the heated oxygen sensor has been struck or dropped, replace it.

  4. REMOVE HEATED OXYGEN SENSOR (for Bank 2) 
    1. Remove the bolt.
      GTY515919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the heated oxygen sensor grommet from the vehicle body.
      GTY509929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
      • SST: 09224-00010 
      NOTE:

      If the heated oxygen sensor has been struck or dropped, replace it.

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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