Installation [12/2019 - ]: Procedure

HINT: 

Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - ]

1. Using SST, install the air fuel ratio sensor to the front exhaust pipe assembly (TWC: Rear Catalyst).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Torque Wrench Fulcrum Length

   • SST: 09224-00012 

   Specified tightening torque 

   Torque: 44 N.m (449 kgf/cm, 32 ft.lbf) 

   NOTE:

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

   HINT: 

   • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

     Refer to PRECAUTION [12/2019 - 11/2023] , or refer to PRECAUTION [11/2023 - ]

   • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

     37.7 N.m (384 kgf/cm, 28 ft.lbf)

2. Connect the air fuel ratio sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Tube
   *b	Wire Harness Clamp

3. Engage the 2 wire harness clamps so that the tube is positioned as shown in the illustration.

Refer to PROCEDURE - Step 6 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 6 [10/2022 - ]

1. Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

   Refer to INITIALIZATION [12/2019 - 10/2021] , or refer to INITIALIZATION [10/2021 - ]