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Knock Sensor, Intake Manifold: Inspection

  1. INSPECT KNOCK SENSOR 
    1. Check the resistance.
      Fig 1: Measuring Resistance Between Terminals Using Ohmmeter
      G04968238Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Standard resistance 

        RESISTANCE SPECIFICATION

        Tester Connection Specified Condition
        1 (Ground) - 2 (Output) 120 to 280 kΩ at 20°C (68°F)

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