Knock Sensor: Inspection

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