Toyota Tundra. Manual — part 1652

RESISTANCE SPECIFIED CONDITIONS

Fig. 356: Identifying Throttle Control Motor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the result is not as specified, replace the throttle body.

INSTALLATION

1. INSTALL THROTTLE BODY ASSEMBLY

a. Install the 2 water by-pass hoses to the throttle body.

b. Install a new gasket to the intake air surge tank.

HINT:

Align the protrusion of the gasket with the groove of the intake air surge tank.

Fig. 357: Aligning Protrusion Of Gasket With Groove Of Intake Air Surge Tank
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Install the throttle body with the 4 bolts.

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

Tester Connection Condition Specified Condition

1 (M-) - 2 (M+)

20°C (68°F)

0.3 to 100 ohms

2009 Toyota Tundra

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

Saturday, June 19, 2010 7:34:50 PM

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Fig. 358: Locating Throttle Body Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Connect the throttle position sensor and control motor connector.

Fig. 359: Locating Water By-Pass Hoses With Throttle Position Sensor And Control Motor
Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

e. Connect the 2 water by-pass hoses.

2. ADD ENGINE COOLANT (See COOLANT )

2009 Toyota Tundra

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

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3. INSTALL AIR CLEANER HOSE ASSEMBLY (See INSTALLATION )

4. INSPECT FOR ENGINE COOLANT LEAK (See COOLING SYSTEM )

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

6. PERFORM INITIALIZATION

a. Disconnect the EFI NO. 1 fuse and ETCS fuse at the same time. Wait at least 60 seconds and

reconnect the fuses.

b. Turn the ignition switch to the ON position without operating the accelerator pedal.

c. Connect the Techstream to the DLC3 and clear the DTCs (See DTC CHECK/CLEAR ).

d. Start the engine and check that the MIL is not illuminated and that the idle speed is within the

specified range when the A/C is switched off after the engine is warmed up.

Standard

IDLE SPEED CONDITION

e. Enter the following menus: Powertrain/Engine and ETC/Data List/All Data/Throttle Sensor

Position. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or
more.

f. Perform a road test and confirm that there are no abnormalities.

ECM

COMPONENTS

NOTE:



Be sure to perform this procedure after reassembling the throttle
body assembly or removing and reinstalling any throttle body
component.



Perform the following procedure after replacing the ECM, throttle
body assembly or any throttle body components. The following
procedure should also be performed if the throttle body is cleaned.



Be sure to perform this procedure after reconnecting the battery
cable and replacing the ECM.

NOTE:

If the accelerator pedal is operated, perform the above steps again.

Condition

Engine Idle Speed

A/C switched off 650 to 750 RPM

NOTE:



Be sure to perform this step with all accessories off.



Make sure that the shift lever is in N or P.

2009 Toyota Tundra

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

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© 2006 Mitchell Repair Information Company, LLC.

Fig. 360: Exploded View Of ECM With Torque Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REMOVAL

1. DISCONNECT CONNECTOR HOLDER BLOCK

a. Remove the 3 bolts and move the connector holder block so that the ECM can be removed in the

next step.

Fig. 361: Locating Connector Holder Block Mounting Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. REMOVE ECM

a. Raise the 2 levers while pushing the locks on the 2 levers.

b. Disconnect the 2 connectors.

NOTE:

Make sure that the lock lever is raised 90° as shown in the illustration
before disconnecting the connectors. Failure to do this may cause
the connectors to break.

2009 Toyota Tundra

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

Saturday, June 19, 2010 7:34:50 PM

Page 704

© 2006 Mitchell Repair Information Company, LLC.