LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2007 >> Matrix Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1ZZ-FE) >> Throttle Body >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Body: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install a new gasket onto the intake manifold.
      Fig 1: Installing Gasket Onto Intake Manifold
      G05192713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body with the 2 bolts and 2 nuts.

      Torque: 9.0 N*m (90 kgf*cm, 80 in.*lbf) 

      Fig 2: Installing Throttle Body With Bolts And Nuts
      G05192712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the water bypass hose No. 2 [C] to the throttle body.
    4. Connect the water by pass hose [D] to the throttle body.
      Fig 3: Connecting Water Bypass Hose To Throttle Body
      G05192717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the throttle control motor connector.
      Fig 4: Connecting Throttle Control Motor Connector
      G05192710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY 
    1. Install the air cleaner cap together with the air cleaner hose.
      Fig 5: Installing Air Cleaner Cap Together With Air Cleaner Hose
      G05192709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten the hose clamp bolt, then connect the air cleaner hose.

      Torque: 2.0 N*m (20 kgf*cm, 18 in.*lbf) 

      Fig 6: Tightening Hose Clamp Bolt And Air Cleaner Hose No. 1
      G05192708Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the ventilation hose No. 1 to the cylinder head cover.
      Fig 7: Connecting Ventilation Hose No. 1 To Cylinder Head Cover
      G05192707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the fuel vapor feed hose No. 3 [D] to the VSV.
    5. Connect the fuel vapor feed hose No. 1 [E] to the VSV.
      Fig 8: Connecting Fuel Vapor Feed Hose To VSV
      G05192722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Install the 2 wire harness clamps [F].
    7. Connect the VSV connector [G].
    8. Fig 9: Connecting VSV Connector
      G05192723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Connect the mass air flow meter connector [H].
  3. CONNECT BATTERY NEGATIVE TERMINAL 

    Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

  4. ADD ENGINE COOLANT (See  COOLANT  ) 
  5. CHECK ENGINE COOLANT LEAK (See  COOLING SYSTEM  ) 
  6. INSTALL CYLINDER HEAD COVER NO. 2 
    1. Install the cylinder head cover No. 2 with the 2 nuts and 2 clips.

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

      Fig 10: Installing Cylinder Head Cover No. 2
      G05192704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002