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Home >> Suzuki >> 2009 >> Grand Vitara Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Electrical Devices (N32A)) >> Repair Instructions >> Knock Sensor Inspection
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Knock Sensor Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Remove knock sensor. See KNOCK SENSOR REMOVAL AND INSTALLATION .
  2. Connect multimeter (1) to knock sensor (2) as shown in figure.
  3. Check that knock sensor resistance and capacitance.

    If faulty condition is found, replace knock sensor. See KNOCK SENSOR REMOVAL AND INSTALLATION .

    Fig 1: Checking Knock Sensor Resistance
    G06492677Courtesy of SUZUKI OF AMERICA CORP.

    Knock sensor resistance 

    Infinity 

    Knock sensor capacitance 

    850 - 1150 pF