Knock Sensor: Removal

REMOVE INTAKE MANIFOLD
1. Remove the intake manifold (See REMOVAL ).
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY LH (See REMOVAL )
REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY (See REMOVAL )
REMOVE SEPARATOR CASE
1. Disconnect the fuel pressure sensor connector.
  
  Fig 1: Identifying Fuel Pressure Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 4 bolts and separator case.
Fig 2: Locating Separator Case With 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
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002