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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Engine Control System - Service Information) >> AIR FUEL RATIO SENSOR (for Sensor 1) >> Removal [03/2023 - ] >> Procedure

Removal [03/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FRONT FENDER PANEL CUSHION LH 

    Refer to PROCEDURE - Step 2

  2. REMOVE FRONT FENDER PANEL CUSHION RH 
    1. Perform the same procedure as for the LH side.
  3. REMOVE HOOD TO FRONT FENDER SEAL LH 

    Refer to PROCEDURE - Step 3

  4. REMOVE HOOD TO FRONT FENDER SEAL RH 
    1. Perform the same procedure as for the LH side.
  5. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  6. REMOVE COWL VENTILATOR SPLASH SHIELD LH 

    Refer to PROCEDURE - Step 7 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 7 [03/2024 - ]

  7. REMOVE COWL VENTILATOR PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 8 [03/2024 - ]

  8. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 25 [03/2023 - 03/2024] , or refer to PROCEDURE - Step 25 [03/2024 - ]
  9. REMOVE NO. 3 ENGINE COVER 

    Refer to PROCEDURE - Step 26 [03/2023 - 03/2024] , or refer to PROCEDURE - Step 26 [03/2024 - ]

  10. REMOVE AIR FUEL RATIO SENSOR 
    1. GTY1077008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the 4 wire harness clamps.
      2. Disconnect the air fuel ratio sensor connector.
      3. Using SST, remove the air fuel ratio sensor from the converter with catalyst assembly.
        • SST: 09224-00012 
        NOTE:

        If the air fuel ratio sensor has been struck or dropped, replace it.