Throttle Body: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Install a new gasket to the intake manifold.
  
  Fig 1: Locating Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the fuel tube bracket with the bolt.
  Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf)
  
  Fig 2: Locating Bolt And Fuel Tube Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the throttle body assembly with the 4 bolts.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  
  Fig 3: Locating Bolts And Throttle Body Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the 2 water by-pass hoses to the throttle body.
  
  Fig 4: Locating Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Connect the throttle body assembly connector.
6. Connect the fuel tube to the clamp.
  
  Fig 5: Locating Throttle Body Assembly Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL AIR CLEANER CAP SUB-ASSEMBLY
1. Connect the air-cleaner cap sub-assembly to the throttle body assembly and lock the hose band.
  
  Fig 6: Locating Hose Band
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the air cleaner cap sub-assembly with the 2 bolts.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
  
  Fig 7: Locating Bolts And Air Cleaner Cap Sub-Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the ventilation hose to the cylinder head cover.
  
  Fig 8: Locating Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the mass air flow meter connector and install the wire harness clamp to the air cleaner cap.
5. Install the hose to the hose clamp.
Fig 9: Locating Mass Air Flow Meter Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY (See INSTALLATION )
ADD ENGINE COOLANT (See REPLACEMENT )
INSPECT FOR COOLANT LEAK (See COOLING SYSTEM )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
INSTALL COOL AIR INTAKE DUCT SEAL (See INSTALLATION )
INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY (See INSTALLATION )
INSTALL WINDSHIELD WIPER MOTOR AND LINK
1. Install the windshield wiper motor and link (See INSTALLATION ).
INSTALL NO. 2 ENGINE UNDER COVER
INSTALL NO. 1 ENGINE UNDER COVER

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 cable.
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
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. After the engine is warmed up, check that the idle speed is within the specified range when the A/C is switched off.

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.

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