LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2024 >> GX 550 Premium+ >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Air Fuel Ratio Sensor >> Removal [12/2023 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal [12/2023 - ]: Procedure

  1. REMOVE FRONT FENDER APRON TRIM PACKING C 

    Refer to PROCEDURE - Step 13

  2. REMOVE NO. 4 TURBO INSULATOR 
    GTY1214530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR FUEL RATIO SENSOR 
    1. GTY1081396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the air fuel ratio sensor connector.
      2. Detach the wire harness clamp.
      3. Using SST, remove the air fuel ratio sensor from the converter with catalyst assembly LH.
        • SST: 09224-00012 
  4. REMOVE FRONT FENDER APRON TRIM PACKING D 

    Refer to PROCEDURE - Step 14

  5. REMOVE NO. 2 TURBO INSULATOR 
    GTY1218876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 2 AIR FUEL RATIO SENSOR 
    1. GTY1080623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the No. 2 air fuel ratio sensor connector.
      2. Detach the 4 wire harness clamps.
      3. Using SST, remove the No. 2 air fuel ratio sensor from the converter with catalyst assembly RH.
        • SST: 09224-00012 
  7. REMOVE NO. 3 AIR FUEL RATIO SENSOR 
    1. GTY1080565Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the No. 3 air fuel ratio sensor connector.
      2. Detach the 3 wire harness clamps.
      3. Using SST, remove the No. 3 air fuel ratio sensor from the converter with catalyst assembly LH.
        • SST: 09224-00012 
  8. REMOVE NO. 4 AIR FUEL RATIO SENSOR 
    1. GTY1081284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the No. 4 air fuel ratio sensor connector.
      2. Detach the 2 wire harness clamps.
      3. Using SST, remove the No. 4 air fuel ratio sensor from the converter with catalyst assembly RH.
        • SST: 09224-00012 
scientia non olet · About LEMON Manuals