Throttle Body: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Install a new gasket onto the intake manifold.
  
  Fig 1: Locating Throttle Body Assembly
  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 Assembly Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the throttle body hose.
  
  Fig 3: Locating Throttle Body Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the throttle body connector.
  
  Fig 4: Locating Throttle Body Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Connect the 2 water by-pass hoses.
  
  Fig 5: Locating Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE
1. Install the air cleaner cap sub-assembly with hose and lock the 3 clamps.
2. Tighten the air cleaner hose clamp.
  
  Fig 6: Locating Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the ventilation hose.
  
  Fig 7: Locating Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the 2 vacuum hoses and No. 1 vacuum switching valve connector.
  
  Fig 8: Locating Vacuum Hoses And No. 1 Vacuum Switching Valve Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Connect the 2 wire harness clamps and the mass air flow meter connector.
  
  Fig 9: Locating Wire Harness Clamps And Mass Air Flow Meter Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD ENGINE COOLANT (See COOLANT )
INSPECT FOR COOLANT LEAK (See COOLING SYSTEM )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )

PERFORM INITIALIZATION

NOTE: 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.

Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the terminal.
Turn the ignition switch to ON 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

STANDARD REFERENCE

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 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.