Knock Sensor: Removal

DISCHARGE FUEL SYSTEM PRESSURE (See REMOVAL )
DRAIN COOLANT (See REPLACEMENT )
REMOVE WINDSHIELD WIPER ARM COVER (See REMOVAL )
REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH (See REMOVAL )
REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH (See REMOVAL )
REMOVE HOOD TO COWL TOP SEAL (See REMOVAL )
REMOVE COWL TOP VENTILATOR LOUVER RH (See REMOVAL )
REMOVE COWL TOP VENTILATOR LOUVER LH (See REMOVAL )
REMOVE FRONT WIPER MOTOR AND LINK (See REMOVAL )
REMOVE OUTER COWL TOP PANEL (See REMOVAL )
REMOVE NO. 1 ENGINE COVER (See REMOVAL )
REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE (See REMOVAL )
REMOVE THROTTLE BODY ASSEMBLY (See REMOVAL )
REMOVE FUEL TUBE SUB-ASSEMBLY (See REMOVAL )
REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY WITH FUEL TUBE SUB-ASSEMBLY (See REMOVAL )
REMOVE INTAKE MANIFOLD
1. Disconnect the ventilation hose.
  
  Fig 1: Locating Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the union to check valve hose.
3. Separate the wire harness clamp from the intake manifold.
  
  Fig 2: Locating Check Valve Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 5 bolts, 2 nuts and intake manifold.
  
  Fig 3: Locating Intake Manifold Bolts And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Remove the intake manifold gasket.
  
  Fig 4: Locating Intake Manifold Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE NO. 1 INTAKE MANIFOLD INSULATOR
1. Remove the No. 1 intake manifold insulator.
  
  Fig 5: Identifying Intake Manifold Insulator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK SENSOR
1. Disconnect the sensor connector.
2. Remove the nut and knock sensor.
  
  Fig 6: Locating Sensor Connector And Knock Sensor Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002