Knock Sensor: Removal: Removal

REMOVE CYLINDER HEAD SUB-ASSEMBLY (for Bank 1)
1. Remove the cylinder head. Refer to REMOVAL .
REMOVE NO. 1 WATER OUTLET PIPE
1. Detach the 3 wire harness clamps.
  
  Fig 1: Identifying No. 1 Water Outlet Pipe
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts, bolt and water outlet pipe.
REMOVE KNOCK SENSOR
1. Disconnect the 2 sensor connectors.
  
  Fig 2: Identifying Knock Sensor Connectors & Knock Sensors With Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 bolts and 2 sensors.