2GR-FKS (ENGINE CONTROL): HEATED OXYGEN SENSOR: INSTALLATION; 2019 - 2022 MY Avalon [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001AYT9
Model Year Start: 2019	Model: Avalon	Prod Date Range: [04/2018 - ]
Title: 2GR-FKS (ENGINE CONTROL): HEATED OXYGEN SENSOR: INSTALLATION; 2019 - 2022 MY Avalon [04/2018 - ]

INSTALLATION

PROCEDURE

1. INSTALL HEATED OXYGEN SENSOR (for Bank 2)

HINT:

Perform "Inspection After Repair" after replacing the heated oxygen sensor.

Click here

(a) Using SST, install the heated oxygen sensor to the front exhaust pipe assembly (TWC: Rear Catalyst).

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
Click here
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)

*a	Torque Wrench Fulcrum Length

2. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

Click here

3. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

Click here

4. INSTALL BODY MOUNTING PLATE

Click here

5. INSTALL FRONT FLOOR COVER LH

Click here

6. INSTALL FRONT FLOOR COVER RH

Click here

7. INSTALL HEATED OXYGEN SENSOR (for Bank 1)

HINT:

Perform "Inspection After Repair" after replacing the heated oxygen sensor.

Click here

(a) Using SST, install the heated oxygen sensor to the front exhaust pipe assembly (TWC: Rear Catalyst).

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
Click here
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)

*a	Torque Wrench Fulcrum Length

(b) Engage the wire harness clamp.

8. INSPECT FOR EXHAUST GAS LEAK

Click here

9. INSTALL REAR ENGINE UNDER COVER RH

Click here

10. INSTALL NO. 1 ENGINE UNDER COVER

Click here

11. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH

Click here

12. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH

Click here

13. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the heated oxygen sensor.

Click here