Knock Sensor: Removal

REMOVE INTAKE MANIFOLD
1. Remove the intake manifold (see REMOVAL )
REMOVE ENGINE COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY (See REMOVAL )
REMOVE SEPARATOR CASE
1. Disconnect the fuel pressure sensor connector.
  
  Fig 1: Locating Fuel Pressure Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 4 bolts and separator case.
  
  Fig 2: Locating Separator Case Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK SENSOR
1. Disconnect the 4 knock sensor connectors.
2. Remove the 4 bolts and 4 knock sensors.
  
  Fig 3: Locating Knock Sensor Connectors Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002