Knock Sensor, Intake Manifold: Removal

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: Locating Fuel Vapor Feed Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the vacuum hose.
  
  Fig 2: Locating Vacuum Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the bolt, then remove the clamp bracket.
  
  Fig 3: Locating Clamp Bracket Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the water by-pass hose No. 2.
  
  Fig 4: Locating Water By-Pass Hose No. 2
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Disconnect the ventilation hose No. 3.
  
  Fig 5: Locating Ventilation Hose No. 3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
11. Disconnect the 3 connectors.
12. Remove the nut shown in the illustration.
13. Disconnect the engine wire harness from the relay block.
14. Remove the 5 bolts and 2 nuts, then remove the intake manifold.
  
  Fig 8: Locating Intake Manifold Bolts And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK CONTROL SENSOR
1. Disconnect the knock control sensor connector.
2. Remove the bolt, then remove the knock control sensor.
  
  Fig 9: Locating Knock Control Sensor Connector And Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002