Toyota Tundra. Manual — part 1655

2. Using a voltmeter, connect the positive (+) tester probe to terminal 3 (VG), and negative (-)

tester probe to terminal 2 (E2G).

3. Blow air into the MAF meter, and check that the voltage fluctuates.

If the result is not as specified, replace the MAF meter.

Fig. 376: Inspecting Mass Air Flow Meter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Perform a visual check for any foreign matter on the platinum hot wire (heater) of the mass air flow

meter shown in the illustration.

OK:

There is no foreign material.

If the result is not as specified, replace the mass air flow meter.

Fig. 377: Identifying Platinum Hot Wire (Heater) Of Mass Air Flow Meter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Check the IAT sensor.

NOTE:

While using the battery during inspection, do not bring the
positive and negative tester probes too close to each other as a
short circuit may occur.

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.

Fig. 378: Temperature And Resistance Characteristic Graph
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

1. 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 MAF meter.

INSTALLATION

1. INSTALL MASS AIR FLOW METER

a. Install the MAF meter with the 2 screws.

Torque: 1.7 N*m (17 kgf*cm, 15 in.*lbf)

Fig. 379: Locating MAF Meter Screws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Connect the MAF connector.

Tester Connection Condition Specified Condition

4 (THA) - 5 (E2) -20°C (-4°F) 12.5 k to 16.9 kohms
4 (THA) - 5 (E2)

20°C (68°F) 2.19 k to 2.67 kohms

4 (THA) - 5 (E2) 60°C (140°F) 0.50 k to 0.68 kohms

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.

CAMSHAFT POSITION SENSOR

COMPONENTS

Fig. 380: Identifying Camshaft Position Sensor And Related Components With Torque Specification
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REMOVAL

1. REMOVE V-BANK COVER SUB-ASSEMBLY (See REMOVAL )

2. REMOVE CAMSHAFT POSITION SENSOR

a. Disconnect the sensor connector.

b. Remove the bolt and sensor.

Fig. 381: Locating Camshaft Position Sensor With Mounting Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSTALLATION

1. INSTALL CAMSHAFT POSITION SENSOR

a. Install the sensor with the bolt.

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

2009 Toyota Tundra

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

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© 2006 Mitchell Repair Information Company, LLC.

Fig. 382: Locating Camshaft Position Sensor With Mounting Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Connect the sensor connector.

2. INSTALL V-BANK COVER SUB-ASSEMBLY (See INSTALLATION )

VVT SENSOR

COMPONENTS

Fig. 383: Exploded View Of VVT Sensor With Torque Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REMOVAL

1. REMOVE V-BANK COVER SUB-ASSEMBLY (See REMOVAL )

2. REMOVE AIR CLEANER HOSE ASSEMBLY (See REMOVAL )

3. REMOVE VVT SENSOR

a. Disconnect the 4 sensor connectors.

b. Remove the 4 bolts and 4 sensors.

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.