Toyota Tundra. Manual — part 1658

a. Install the separator case with the 4 bolts.

Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)

Fig. 400: Locating Separator Case With Mounting Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3. INSTALL NO. 1 ENGINE COVER (See INSTALLATION )

4. INSTALL NO. 2 CYLINDER HEAD COVER (See INSTALLATION )

5. INSTALL INTAKE MANIFOLD

a. Install the intake manifold (See INSTALLATION ).

AIR FUEL RATIO SENSOR

COMPONENTS

Fig. 401: Exploded View Of Air Fuel Ratio Sensor (Regular Cab Standard Deck) With Torque
Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:51 PM

Page 725

© 2006 Mitchell Repair Information Company, LLC.

Fig. 402: Exploded View Of Air Fuel Ratio Sensor (Except Regular Cab Standard Deck) With Torque
Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

ON-VEHICLE INSPECTION

1. INSPECT AIR FUEL RATIO SENSOR

a. Disconnect the 2 sensor connectors.

Fig. 403: Identifying Air Fuel Ratio Sensor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Measure the resistance according to the value (s) in the table below.

Standard Resistance

RESISTANCE SPECIFIED CONDITIONS

If the result is not as specified, replace the sensor.

c. Reconnect the 2 sensor connectors.

REMOVAL

Tester Connection

Condition Specified Condition

1 (HA1A) - 2 (+B) (for Bank 1)

20°C (68°F)

1.8 to 3.4 ohms

1 (HA2A) - 2 (+B) (for Bank 2)

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:51 PM

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© 2006 Mitchell Repair Information Company, LLC.

1. REMOVE PROPELLER SHAFT HEAT INSULATOR (See REMOVAL )

2. REMOVE FRONT PROPELLER SHAFT ASSEMBLY (See REMOVAL )

3. REMOVE FRONT NO. 2 EXHAUST PIPE ASSEMBLY (except Regular Cab Standard Deck)

a. Disconnect the air fuel ratio sensor connector.

b. Disconnect the heated oxygen sensor connector.

c. Remove the 2 bolts from the center exhaust pipe.

d. Remove the 3 nuts.

e. Disconnect the front No. 2 exhaust pipe from the exhaust pipe support to remove it.

f. Remove the 2 gaskets.

4. REMOVE FRONT NO. 2 EXHAUST PIPE ASSEMBLY (for Regular Cab Standard Deck)

a. Disconnect the air fuel ratio sensor connector.

b. Disconnect the heated oxygen sensor connector.

c. Remove the 2 bolts and 2 nuts from the front No. 3 exhaust pipe.

d. Remove the 3 nuts, 2 gaskets and exhaust pipe.

5. REMOVE FRONT EXHAUST PIPE ASSEMBLY

a. Disconnect the air fuel ratio sensor connector.

b. Disconnect the heated oxygen sensor connector and 2 clamps.

c. Remove the 2 bolts from the center exhaust pipe.

d. Remove the 3 nuts, 2 gaskets and exhaust pipe.

6. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

a. Using SST, remove the sensor.

SST 09224-00010

Fig. 404: Identifying SST 09224-00010
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

CAUTION:



Wear protective gloves when removing the exhaust pipe.



The exhaust pipe is extremely hot immediately after the engine has
stopped.



Confirm that the exhaust pipe has cooled down before removing it.

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:51 PM

Page 727

© 2006 Mitchell Repair Information Company, LLC.

7. REMOVE AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

a. Using SST, remove the sensor.

SST 09224-00010

Fig. 405: Identifying SST 09224-00010
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSTALLATION

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

a. Install the sensor to the exhaust pipe by hand.

Fig. 406: Installing Air Fuel Ratio Sensor (Bank 2 Sensor 1)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Using SST, tighten the sensor.

SST 09224-00010

Torque: without SST

44 N*m (449 kgf*cm, 32 ft.*lbf)

with SST

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:51 PM

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© 2006 Mitchell Repair Information Company, LLC.