Throttle Body: Removal

DRAIN ENGINE COOLANT (See COOLANT )
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE
1. Disconnect the mass air flow meter connector.
2. Separate the 2 wire harness clamps.
  
  Fig 1: Locating Mass Air Flow Meter Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the No. 1 vacuum switching valve connector and the 2 fuel vapor feed hoses.
  
  Fig 2: Locating No. 1 Vacuum Switching Valve Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the ventilation hose.
  
  Fig 3: Locating Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Loosen the No. 1 air cleaner hose clamp, release the 3 air cleaner assembly clamps and remove the air cleaner cap sub-assembly with hose.
  
  Fig 4: Locating No. 1 Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY ASSEMBLY
1. Disconnect the 2 water by-pass hoses.
  
  Fig 5: Locating Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the throttle body assembly connector.
  
  Fig 6: Locating Throttle Body Assembly Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the throttle body hose.
  
  Fig 7: Locating Throttle Body Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 4 bolts and throttle body assembly.
  
  Fig 8: Locating Throttle Body Assembly And Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Remove the gasket from the intake manifold.
  
  Fig 9: Locating Intake Manifold Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002