Throttle Body: Installation: Installation

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

PERFORM INITIALIZATION

NOTE:

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.
NOTE:
If the accelerator pedal is operated, perform the above steps again.
Connect the tester to the DLC3 and clear the DTCs . Refer to 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

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

NOTE:

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.