Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1)

HINT:

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

Click here

(a) Using SST, install the air fuel ratio sensor to the exhaust manifold assembly RH (TWC: Front Catalyst).

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

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.
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 2 wire harness clamps.

2. INSTALL AIR FUEL RATIO SENSOR (for Bank 2)

HINT:

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

Click here

(a) Using SST, install the air fuel ratio sensor to the exhaust manifold assembly LH (TWC: Front Catalyst).

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

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.
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) Connect the air fuel ratio sensor connector.

3. INSTALL V-BANK COVER SUB-ASSEMBLY

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4. INSPECT FOR EXHAUST GAS LEAK

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5. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing an air fuel ratio sensor.

Click here

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): ECM Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area ECM Communication Stop Mode Any of the following conditions are met: Communication stop for "ECM (Engine)" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history for "ECM (Engine)" is indicated on ...

Toyota Avalon (XX50) 2019-2022 Owners Manual