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Home >> Lexus >> 2019 >> LC 500 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information (Coupe) >> Air Fuel Ratio Sensor >> Removal [03/2017 - 09/2023] >> Procedure
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Removal [03/2017 - 09/2023]: Procedure

  1. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 14 [03/2017 - 05/2023] , or refer to PROCEDURE - Step 14 [05/2023 - 09/2023]

  2. REMOVE AIR FUEL RATIO SENSOR (for Bank 1) 
    1. Disconnect the air fuel ratio sensor connector.
      GTY833711Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the wire harness 2 clamps.
    3. Using SST, remove the air fuel ratio sensor from the exhaust manifold sub-assembly LH.
      • SST: 09224-00012 
      NOTE:

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

  3. REMOVE REAR LOWER ARM MOUNTING REINFORCEMENT SUB-ASSEMBLY RH 
    1. Remove the 4 bolts and rear lower arm mounting reinforcement sub-assembly RH.
      GTY819165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE ENGINE SIDE COVER RH 
    1. Remove the 4 clips and clamp from the engine side cover RH.
      GTY797256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR FUEL RATIO SENSOR (for Bank 2) 
    1. Disconnect the air fuel ratio sensor connector.
      GTY808498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the wire harness clamp.
    3. Using SST, remove the air fuel ratio sensor from the exhaust manifold sub-assembly RH.
      • SST: 09224-00012 
      NOTE:

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

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