Throttle Body: Removal

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 COOL AIR INTAKE DUCT SEAL (See REMOVAL )
DRAIN ENGINE COOLANT (See COOLANT )
REMOVE ENGINE ROOM SIDE COVER RH (See REMOVAL )
REMOVE V-BANK COVER (See REMOVAL )
REMOVE NO. 1 AIR CLEANER INLET (See ON-VEHICLE INSPECTION )
DISCONNECT NO. 2 VENTILATION HOSE
1. Disconnect the ventilation hose from the cylinder head.
  
  Fig 1: Locating No. 2 Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
1. Disconnect the MAF meter connector.
2. Disconnect the clamp from the air cleaner.
  
  Fig 2: Locating MAF Meter Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the purge line hose.
  
  Fig 3: Locating Purge Line Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the 4 clamps.
5. Remove the hose clamp and air cleaner cap with air cleaner hose.
  
  Fig 4: Locating Air Cleaner Cap With Air Cleaner Hose And Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY
1. Disconnect the throttle motor connector.
2. Remove the 4 bolts and disconnect the throttle body from the intake air surge tank.
  
  Fig 5: Locating Throttle Body Connector And Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the 2 water by-pass hoses from the throttle body.
4. Remove the throttle body and gasket.
  
  Fig 6: Locating Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002