Throttle Body: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
- Some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
- After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.
REMOVE NO. 1 ENGINE UNDER COVER (See REMOVAL )
DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY
1. Remove the front wiper motor and link assembly (see REMOVAL ).
REMOVE FRONT COWL TOP OUTER PANEL SUB-ASSEMBLY (See REMOVAL )
REMOVE V-BANK COVER (See REMOVAL )
REMOVE NO. 2 AIR CLEANER HOSE (See REMOVAL )
REMOVE AIR CLEANER ASSEMBLY WITH ELEMENT (See REMOVAL )
REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
1. Disconnect the No. 5 water by-pass hose.
  
  Fig 1: Locating Water By-Pass Hose No. 5
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the No. 4 water by-pass hose.
  
  Fig 2: Locating Water By-Pass Hose No. 4
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the throttle position sensor and throttle control motor connector.
  
  Fig 3: Identifying Throttle Position Sensor And Throttle Control Motor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 4 bolts, then remove the throttle body with motor and gasket.