Throttle Body: Removal

DRAIN ENGINE COOLANT (see REPLACEMENT )
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 V-BANK COVER SUB-ASSEMBLY (see REMOVAL )
REMOVE AIR CLEANER CAP SUB-ASSEMBLY (see REMOVAL )
REMOVE THROTTLE BODY
1. Disconnect the 2 water by-pass hoses from the throttle body.
  
  Fig 1: Locating Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the control motor connector.
3. Remove the 4 bolts and throttle body and wire harness clamp stay.
4. Remove the gasket from the intake air surge tank.
Fig 2: Locating Throttle Body Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002