LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> ES 350 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FKS) - Service Information >> Heated Oxygen Sensor >> Removal [06/2018 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal [06/2018 - ]: Procedure

  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 7 [06/2018 - 10/2019] , or refer to PROCEDURE - Step 7 [10/2019 - 08/2021] , or refer to PROCEDURE - Step 7 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 7 [09/2022 - ]

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 8 [06/2018 - 10/2019] , or refer to PROCEDURE - Step 8 [10/2019 - 08/2021] , or refer to PROCEDURE - Step 8 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 8 [09/2022 - ]

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9 [06/2018 - 10/2019] , or refer to PROCEDURE - Step 9 [10/2019 - 08/2021] , or refer to PROCEDURE - Step 9 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 9 [09/2022 - ]

  4. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 11 [06/2018 - 10/2019] , or refer to PROCEDURE - Step 11 [10/2019 - 08/2021] , or refer to PROCEDURE - Step 11 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 11 [09/2022 - ]

  5. REMOVE HEATED OXYGEN SENSOR (for Bank 1) 
    1. Disconnect the heated oxygen sensor connector.
      GTY774132Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp.
    3. Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).
      • SST: 09224-00012 
      GTY742706Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  6. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 3

  7. REMOVE FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 4

  8. REMOVE BODY MOUNTING PLATE 

    Refer to PROCEDURE - Step 8

  9. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side) 

    Refer to PROCEDURE - Step 9

  10. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) 

    Refer to PROCEDURE - Step 5

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

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

      GTY745213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002