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Throttle Body: Installation

  1. INSTALL THROTTLE BODY 
    1. Install a new gasket onto the intake manifold.
      Fig 1: Installing Gasket Onto Intake Manifold
      G04221364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body and fuel pipe clamp with the 4 bolts.

      Torque: 30 N*m (305 kgf*cm, 22 in.*lbf) 

      Fig 2: Installing Throttle Body And Fuel Pipe Clamp With Bolts
      G04221365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Fit the fuel tube into the clamp.
    4. Install the wire harness clamp.
    5. Connect the throttle position sensor and control motor connector.
      Fig 3: Installing Wire Harness Clamp
      G04221366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the No. 1 throttle body hose to the throttle body.
      Fig 4: Connecting No. 1 Throttle Body Hose To Throttle Body
      G04221367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Connect the No. 2 water by-pass hose to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle.
      Fig 5: Connecting No. 2 Water By-Pass Hose To Throttle Body
      G04221368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Connect the water by-pass hose to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle.
    Fig 6: Connecting Water By-Pass Hose To Throttle Body
    G04221369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL AIR CLEANER CAP 
    1. Install the air cleaner filter element onto the air cleaner case.
      NOTE: Make sure that the air cleaner filter element is in the correct direction when installing.
      Fig 7: Installing Air Cleaner Filter Element Onto Air Cleaner Case
      G04221370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Insert the hinge part of the air cleaner cap into the air cleaner case, then hang the 2 hook clamps.
      Fig 8: Inserting Hinge Part Of Air Cleaner Cap Into Air Cleaner Case
      G04221371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Align the matchmarks of the No. 1 air cleaner hose and throttle body, and then connect the air cleaner hose No. 1 to the throttle body and unfasten the No. 1 air cleaner hose clamp.
      NOTE: Make sure that the hose clamp is at the correct angle.
      Fig 9: Removing No. 1 Air Cleaner Hose Clamp
      G04221372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the purge line hose to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle.
      Fig 10: Connecting Purge Line Hose To Throttle Body
      G04221373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the purge line hose to the purge VSV.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle.
      Fig 11: Connecting Purge Line Hose To Purge VSV
      G04221374Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the No. 2 ventilation hose to the cylinder head cover.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle.
      Fig 12: Connecting No. 2 Ventilation Hose To Cylinder Head Cover
      G04221375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Install the wire harness clamp.
    8. Connect the purge VSV connector.
    9. Connect the mass air flow meter connector.
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. ADD ENGINE COOLANT (See  COOLANT  ) 
  5. CHECK FOR ENGINE COOLANT LEAKAGE (See  ON-VEHICLE INSPECTION  ) 
    Fig 13: Connecting Purge VSV Connector
    G04221376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL ENGINE COVER 
    1. Install the cover with the 2 nuts.

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

  7. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
    NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
    Fig 14: Installing Cover With 2 Nuts
    G04221377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002