Throttle Body: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Install a new gasket onto the intake manifold.
  
  Fig 1: Locating Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the throttle body assembly with the 2 bolts and 2 nuts.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  
  Fig 2: Locating Bolts And Nuts And Throttle Body Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the 2 water by-pass hoses and the throttle body connector.
INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE
1. Install the air cleaner cap sub-assembly with hose with the 2 clamps.
  
  Fig 3: Locating Throttle Body Connector And Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Tighten the hose clamp to the specified torque.
  Torque: 2.0 N*m (20 kgf*cm, 18 in.*lbf)
  
  Fig 4: Locating Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the ventilation hose.
  
  Fig 5: Locating Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the wire harness clamp and mass air flow meter connector.
ADD ENGINE COOLANT (See COOLANT )
INSPECT FOR COOLANT LEAK (See COOLING SYSTEM )
INSTALL NO. 2 CYLINDER HEAD COVER (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.

Fig 6: Locating Wire Harness Clamps

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

ENGINE IDLE SPEED CHART

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.