Removal [06/2018 - ]: Procedure
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- REMOVE AIR FUEL RATIO SENSOR
WARNING:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
 Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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- Disengage the wire harness clamp.
 Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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- Disconnect the air fuel ratio sensor connector.
- Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).
 Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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NOTE:
If the air fuel ratio sensor has been struck or dropped, replace it.