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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FKS) - Service Information >> Heated Oxygen Sensor >> Removal [12/2019 - 10/2022] >> Procedure

Removal [12/2019 - 10/2022]: Procedure

  1. REMOVE FRONT FLOOR COVER LH (for Bank 1 2WD) 

    Refer to PROCEDURE - Step 3

  2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 2WD) 
    1. Disconnect the heated oxygen sensor connector.
      GTY881012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 wire harness clamps.
    3. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
      • SST: 09224-00012 
      GTY839571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  3. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    Refer to REMOVAL [12/2019 - 09/2020] , or refer to REMOVAL [09/2020 - 10/2022]

  4. REMOVE HEATED OXYGEN SENSOR (for Bank 1 AWD) 
    1. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
      • SST: 09224-00012 
      GTY854806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  5. REMOVE HEATED OXYGEN SENSOR (for Bank 2) 
    1. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly.
      • SST: 09224-00012 
      NOTE:

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

      GTY864342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002