Removal [10/2017 - 09/2020]: Procedure

Refer to REMOVAL [04/2013 - 09/2020]

1. Remove the 3 bolts and battery tray.

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1. Remove the bolt and nut, and disconnect the No. 3 engine room relay block from the vehicle body.

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1. Disengage the 2 clamps and disconnect the air fuel ratio sensor connector.

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2. Using SST, remove the air fuel ratio sensor from the exhaust manifold sub-assembly RH (TWC: Front Catalyst).
   • SST: 09224-00012 

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   NOTE:

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

1. Disengage the clamp and disconnect the air fuel ratio sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Using SST, remove the air fuel ratio sensor from the exhaust manifold sub-assembly LH (TWC: Front Catalyst).
   • SST: 09224-00012 

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NOTE:

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