Knock Sensor: Inspection

KNOCK CONTROL SENSOR
1. Using an ohmmeter, measure the resistance between the terminals.
  Resistance:
  
  120 to 280 kΩ at 20°C (68°F)
  
  If the resistance is not specified, replace the sensor.
  
  Fig 1: Measuring Resistance Between Knock Control Sensor Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002