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Throttle Body: Installation: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Type A:
      1. Install a new gasket onto the intake manifold.
        Fig 1: Identifying Correct Orientation Of Gasket Protrusion
        GTY367234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        Orient the protrusion of the gasket as shown in the illustration.

        TEXT IN ILLUSTRATION

        *a Protrusion
      2. Install the throttle body assembly with the 2 bolts and 2 nuts.
        Fig 2: Identifying Throttle Body Assembly, Connector, Bypass Hoses, Bolts & Nuts
        GTY223851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      3. Connect the No. 1 water by-pass hose and No. 2 water by-pass hose.
      4. Connect the connector.
    2. Type B:
      1. Install a new gasket onto the intake manifold.
        Fig 3: Identifying Correct Orientation Of Gasket Protrusion
        GTY376467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        Orient the protrusion of the gasket as shown in the illustration.

        TEXT IN ILLUSTRATION

        *a Protrusion
      2. Install the throttle body assembly with the 4 bolts.
      3. Connect the No. 1 water by-pass hose and No. 2 water by-pass hose.
      4. Connect the connector.
  2. INSTALL AIR CLEANER HOSE ASSEMBLY 
    1. Install the air cleaner hose assembly and tighten the hose clamp.
      Fig 4: Identifying Air Cleaner Hose Assembly, Hose Clamp & Ventilation Hose
      GTY223684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the ventilation hose to the cylinder head cover sub-assembly.
  3. INSTALL AIR CLEANER CASE 
    1. Install the air cleaner case with the 3 bolts.
      Fig 5: Identifying Air Cleaner Filter Element, Hose, Clamps, Air Cleaner Case & Bolts
      GTY224213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

    2. Install the hose to the 3 clamps.
    3. Install the air cleaner filter element sub-assembly.
  4. INSTALL INLET AIR CLEANER ASSEMBLY 
    1. Install the inlet air cleaner assembly with the 2 bolts.
      Fig 6: Identifying Inlet Air Cleaner Assembly
      GTY327354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

  5. INSTALL AIR CLEANER CAP SUB-ASSEMBLY 
    1. Install the air cleaner cap sub-assembly with the 2 clamps.
      Fig 7: Hose Clamp & 2 Clamps
      GTY366746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the air cleaner hose assembly and tighten the hose clamp.
    3. Connect the connector.
      Fig 8: Identifying Mass Air Flow Meter Connector
      GTY224333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. ADD ENGINE COOLANT (for Engine)  . Refer to REPLACEMENT - Step 3
  7. INSPECT FOR COOLANT LEAK (for Engine)  . Refer to ON-VEHICLE INSPECTION - Step 1
  8. INSTALL NO. 2 CYLINDER HEAD COVER  . Refer to INSTALLATION - Step 97
  9. INSTALL NO. 1 ENGINE UNDER COVER 
  10. PERFORM INITIALIZATION 
    NOTE:

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

    1. Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable.
    2. Connect the Techstream to the DLC3 and clear the DTCs. Refer to DTC CHECK / CLEAR .
    3. Set the vehicle to the inspection mode. Refer to INSPECTION MODE PROCEDURE .
    4. Start the engine without operating the accelerator pedal and check that the MIL is not illuminated and that the idle speed is within the specified range when the air conditioning is switched off after the engine is warmed up.

      Standard

      Condition Engine Idle Speed
      A/C switched off 950 to 1050 RPM
      NOTE:
      • If the accelerator pedal is operated, perform the above steps again.
      • Be sure to perform this step with all accessories off.
      • Make sure that park (P) is selected.
    5. Perform a road test and confirm that there are no abnormalities.
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