Throttle Body: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Connect the No. 4 water by-pass hose and No. 5 water by-pass hose to the throttle body assembly.
  NOTE: Position the claws of the clamps as shown in the illustration.
  
  Fig 1: Positioning Claws Of Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set the throttle body assembly and new gasket with the 2 stud bolts.
3. Using a "TORX" socket E6, tighten the 2 stud bolts.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
  
  Fig 2: Locating Throttle Body Assembly Stud Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the 2 bolts and 2 nuts.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  
  Fig 3: Locating Throttle Body Assembly Bolts And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Connect the No 4 water by-pass hose with the hose clamp.
  
  Fig 4: Locating Water By-Pass Hose With Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the No 5 water by-pass hose with the hose clamp
  
  Fig 5: Locating No 5 Water By-Pass Hose With Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Connect the throttle body connector
  
  Fig 6: Locating Throttle Body Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL AIR CLEANER CAP SUB-ASSEMBLY
1. Install the air cleaner cap with air cleaner hose and lock the 2 clamps
  
  Fig 7: Locating Air Cleaner Cap Sub-Assembly Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the air cleaner hose and tighten the hose clamp.
  
  Fig 8: Locating Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the 2 ventilation hoses with the 2 hose clamps.
  
  Fig 9: Locating Ventilation Hoses And Hose Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the mass air flow meter connector and wire harness clamp
Fig 10: Locating Mass Air Flow Meter Connector And Wire Harness Clamp
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD ENGINE COOLANT (See REPLACEMENT )
INSPECT FOR ENGINE COOLANT LEAK (See ON-VEHICLE INSPECTION )
INSTALL V-BANK COVER SUB-ASSEMBLY (See INSTALLATION )
INSTALL ENGINE UNDER COVER

PERFORM INITIALIZATION

NOTE: Be sure to perform this procedure after replacing the ECM or throttle body or cleaning the throttle valve.

Disconnect the cable from negative battery terminal. Wait at least 60 seconds and reconnect the cable to negative battery terminal
Turn the ignition switch to the ON position without operating the accelerator pedal
NOTE: If the accelerator pedal is operated, perform the above steps again.
Connect the Techstream to the DLC3 and clear the DTCs (See DTC CHECK/CLEAR )

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

ENGINE IDLE SPEED REFERENCE CHART

Condition	Engine Idle Speed
A/C switched off	700 to 800 rpm

NOTE:

Be sure to perform this step with all accessories off.
Make sure that the shift lever is in N.

Enter the following menus Powertrain/Engine and ECT/ Data List/Throttle Pos Sensor Output Fully depress the accelerator pedal and check that the value is 60% or more
Perform a road test and confirm that there are no abnormalities.