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Home >> Lexus >> 2025 >> RX 350h Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> AIR FUEL RATIO SENSOR (for Sensor 2) >> Removal [08/2023 - ] >> Procedure

Removal [08/2023 - ]: Procedure

  1. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  2. REMOVE FRONT FLOOR COVER LH 
  3. REMOVE ENGINE UNDER COVER HEAT INSULATOR (for PHEV Model) 
    Refer to PROCEDURE - Step 14
  4. REMOVE AIR FUEL RATIO SENSOR 
    1. GTY1205388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for HEV Model *B for PHEV Model
      1. for HEV Model:
        1. Disengage the 2 wire harness clamps.
      2. for PHEV Model:
        1. Disengage the wire harness clamp.
      3. Disconnect the air fuel ratio sensor connector.
      4. Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.
        • SST: 09224-00012 
        NOTE:

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