Knock Sensor: Inspection

INSPECT KNOCK SENSOR
1. Measure the resistance between the terminals.
  
  Fig 1: Inspecting Knock Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Resistance:
  
  120 to 280 kΩ at 20°C (68°F)
  
  If the result is not as specified, replace the sensor.