Knock Sensor, Intake Manifold: Removal

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
REMOVE ENGINE UNDER COVER SUB-ASSEMBLY (for 4WD and Pre-Runner)
DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE INTAKE AIR CONNECTOR (See REMOVAL )
REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY (See REMOVAL )
DISCONNECT FUEL HOSE (See REMOVAL )
DISCONNECT FUEL HOSE NO.2 (See REMOVAL )
REMOVE INTAKE MANIFOLD
1. Disconnect the fuel vapor feed hose from the VSV.
  
  Fig 1: Connecting Fuel Vapor Feed Hose To VSV
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Disconnect the vacuum hose.
  
  Fig 2: Connecting Vacuum Hose
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Remove the bolt, then remove the clamp bracket.
  
  Fig 3: Installing Clamp Bracket With Bolt
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Disconnect the water by-pass hose No. 2.
  
  Fig 4: Connecting Water By-Pass Hose
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5. Disconnect the ventilation hose No. 3.
  
  Fig 5: Connecting Ventilation Hose
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6. Disconnect the VSV connector.
7. Disengage the engine wire harness clamp.
8. Disconnect the compressor magnetic clutch connector, (w/ AIR CONDITIONING)
9. Disengage the wire harness clamp.
10. Remove the bolt and harness clamp bracket.
  
  Fig 6: Disengaging Engine Wire Harness Clamp
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11. Disconnect the 3 connectors.
12. Remove the nut shown in the illustration.
13. Disconnect the engine wire harness from the relay block.
  
  Fig 7: Connecting Engine Wire Harness To Relay Block
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
14. Remove the 5 bolts and 2 nuts, then remove the intake manifold.
  
  Fig 8: Installing Intake Manifold With Bolts And Nuts
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE KNOCK CONTROL SENSOR
1. Disconnect the knock control sensor connector.
2. Remove the bolt, then remove the knock control sensor.
  
  Fig 9: Removing Knock Control Sensor Bolts
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.