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Knock Sensor: Inspection

  1. INSPECT KNOCK SENSOR 
    1. Check the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Resistance 

        TESTER CONNECTIONS AND SPECIFIED CONDITIONS

        Tester Connection Specified Condition
        1 (Ground) - 2 (Output) 120 to 280 kΩ at 20°C (68°F)
        Fig 1: Inspecting Knock Sensor
        G05192725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the result is not as specified, replace the knock sensor.