Throttle Body: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Install a new gasket onto the intake manifold.
  
  Fig 1: Locating Intake Manifold Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the throttle body assembly with the 4 bolts.
  Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf)
  
  Fig 2: Locating Throttle Body Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the throttle hose.
  
  Fig 3: Locating Throttle Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the connector.
  
  Fig 4: Locating Throttle Body Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Connect the No. 2 water by-pass hose to the throttle body.
  
  Fig 5: Locating No. 2 Water By-Pass Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the No. 1 water by-pass hose to the throttle body.
  
  Fig 6: Locating No. 1 Water By-Pass Hose of Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Connect the No. 2 fuel vapor feed hose.
INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE
1. Install the air cleaner filter element.
  
  Fig 7: Locating Air Cleaner Fuel Vapor Feed Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install and lock the air cleaner cap sub-assembly and air cleaner hose and then tighten the No. 1 air cleaner hose clamp.
  
  Fig 8: Locating & Installing Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the No. 2 fuel vapor feed hose.
4. Connect the No. 2 ventilation hose to the air cleaner hose.
  
  Fig 9: Locating Fuel Vapor Feed Hose And Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install the vacuum switching valve assembly.
  
  Fig 10: Locating Vacuum Switching Valve Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the mass air flow meter connector.
7. Install the wire harness.
Fig 11: Locating Mass Air Flow Meter Connector And Wire Harness
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD ENGINE COOLANT (See REPLACEMENT )
INSPECT FOR COOLANT LEAK (See ON-VEHICLE INSPECTION )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
1. Install the cover with the 2 nuts.
  Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
  
  Fig 12: Locating Engine Cover Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

PERFORM INITIALIZATION

NOTE: NOTICE:

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

Disconnect the cable from the negative (-) battery terminal. Wait at least 60 second and reconnect the cable.
Turn the ignition switch to the ON position without operating the accelerator pedal.

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

Connect the tester 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:

Standard

Condition	Engine Idle Speed
A/C switched off	600 to 700 rpm

NOTICE:

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

Enter the following menus: Powertrain/ Engine and ECT/ Data List/ Throttle Position. 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.