Throttle Body: Removal

DISCONNECT BATTERY NEGATIVE TERMINAL
DRAIN ENGINE COOLANT (See ON-VEHICLE INSPECTION )
REMOVE CYLINDER HEAD COVER NO. 2
1. Remove the 2 nuts and 2 clips, then remove the cylinder head cover No. 2.
Fig 1: Locating Cylinder Head Cover No. 2 Nuts And Clips
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE AIR CLEANER CAP SUB-ASSEMBLY
1. Disconnect the mass air flow meter connector [A].
2. Disconnect the VSV connector [B].
3. Remove the 2 wire harness clamps [C].
  
  Fig 2: Locating VSV And Mass Air Flow Meter Connectors
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Disconnect the fuel vapor feed hose No. 1 [D] from the VSV.
5. Disconnect the fuel vapor feed hose No. 3 [E] from the VSV.
  
  Fig 3: Locating Fuel Vapor Feed Hose No. 1
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6. Disconnect the ventilation hose No. 1 from the cylinder head cover.
  
  Fig 4: Identifying Ventilation Hose No. 1
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7. Loosen the hose clamp bolt and air cleaner hose No. 1.
  
  Fig 5: Locating Hose Clamp Bolt
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8. Remove the air cleaner cap together with the air cleaner hose.
  
  Fig 6: Identifying Air Cleaner Hose
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE THROTTLE BODY ASSEMBLY
1. Disconnect the throttle control motor connector.
  
  Fig 7: Locating Throttle Control Motor Connector
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Disconnect the water bypass hose [B] from the throttle body.
3. Disconnect the water bypass hose No. 2 [C] from the throttle body.
  
  Fig 8: Locating Water Bypass Hose
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Remove the 2 bolts and 2 nuts, then remove the throttle body.
  
  Fig 9: Locating Throttle Body Bolts And Nuts
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5. Remove the gasket from the intake manifold.
  
  Fig 10: Locating Intake Manifold Gasket
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.