Knock Sensor: Removal

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

KNOCK CONTROL SENSOR
1. Using an ohmmeter, measure the resistance between the terminals.
  
  Fig 1: Measuring Resistance Between Terminals Using Ohmmeter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Resistance:
  
  120 to 280 kΩ at 20°C (68°F)
  
  If the resistance is not specified, replace the sensor.
2. Disconnect the 6 fuel injector connectors.
  
  Fig 2: Identifying Fuel Injector Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. In order to remove the intake manifold, using several steps, remove the 9 bolts and 2 nuts in the sequence shown in the illustration.
  
  Fig 3: Identifying Bolts And Nuts In Sequence
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE WATER OUTLET (See REMOVAL )
REMOVE KNOCK CONTROL SENSOR
1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 nuts, and then remove the 2 knock sensors.
  
  Fig 4: Identifying Knock Sensors And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002