Throttle Body: Removal

DRAIN ENGINE COOLANT (See COOLANT )
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE ENGINE COVER
1. Remove the 2 nuts and engine cover.
  
  Fig 1: Locating Engine Cover Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP
1. Disconnect the mass air flow meter connector.
2. Disconnect the purge VSV connector.
3. Remove the wire harness clamp.
  
  Fig 2: Locating Wire Harness Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the No. 2 ventilation hose from the cylinder head cover.
  
  Fig 3: Locating No. 2 Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Disconnect the purge line hose from the purge VSV.
  
  Fig 4: Locating Purge Line Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Disconnect the purge line hose from the throttle body.
  
  Fig 5: Disconnecting Purge Line Hose From Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.
  
  Fig 6: Locating No. 1 Air Cleaner Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Unfasten the 2 hook clamps, and then remove the air cleaner cap.
  
  Fig 7: Locating Hook Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Remove the air cleaner filter element from the air cleaner case.
  
  Fig 8: Locating Air Cleaner Filter Element
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY
1. Disconnect the water by-pass hose from the throttle body.
  
  Fig 9: Locating Water By-Pass Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the No. 2 water by-pass hose from the throttle body.
  
  Fig 10: Locating No. 2 Water By-Pass Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the No. 1 throttle body hose from the throttle body.
  
  Fig 11: Locating No. 1 Throttle Body Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the throttle position sensor and control motor connector.
5. Remove the wire harness clamp.
6. Remove the fuel tube from the clamp.
  
  Fig 12: Locating Fuel Tube From Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Remove the 4 bolts, and then remove the fuel pipe support and throttle body.
  
  Fig 13: Locating Throttle Body Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Remove the gasket from the intake manifold.
  
  Fig 14: Locating Intake Manifold Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002