Knock Sensor: Inspection

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

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