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Home › Toyota › 2017 › Sienna SE › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System [2GR-FKS] (Service Information) › Air Fuel Ratio Sensor › Removal [08/2016 - ] › Procedure

Removal [08/2016 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18

  2. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 14

  3. REMOVE AIR FUEL RATIO SENSOR (for Bank 2) 
    1. Using SST, remove the air fuel ratio sensor (for bank 2) from the exhaust manifold sub-assembly LH (TWC: front catalyst).
      • SST: 09224-00012 
      NOTE:

      If the air fuel ratio sensor (for bank 2) has been struck or dropped, replace it.

      GTY635504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE INSTRUMENT PANEL FINISH PANEL END LH 
  5. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 4

  6. REMOVE NO. 2 ENGINE UNDER COVER (for AWD) 

    Refer to PROCEDURE - Step 5

  7. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for AWD) 

    Refer to REMOVAL [12/2015 - ]

  8. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for 2WD) 

    Refer to PROCEDURE - Step 7

  9. REMOVE FRONT EXHAUST PIPE ASSEMBLY (for AWD) 

    Refer to PROCEDURE - Step 8

  10. REMOVE MANIFOLD STAY 

    Refer to PROCEDURE - Step 9

  11. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 10

  12. REMOVE EXHAUST MANIFOLD TO HEAD GASKET (for Bank 1) 

    Refer to PROCEDURE - Step 11

  13. REMOVE AIR FUEL RATIO SENSOR (for Bank 1) 
    1. Using SST, remove the air fuel ratio sensor (for bank 1) from the exhaust manifold sub-assembly RH (TWC: front catalyst).
      GTY695780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09224-00012 
      NOTE:

      If the air fuel ratio sensor (for bank 1) has been struck or dropped, replace it.

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