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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P0327: Knock Sensor 1 Circuit Low; P0328: Knock Sensor 1 Circuit High >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

P0327, P0328 DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
P0327: Knock Sensor 1 Circuit Low 
Output voltage of knock sensor signal circuit is less than 1.23 V for 5 sec.
(2 D/C detection logic)
  • Knock sensor and/or its circuit
  • ECM
P0328: Knock Sensor 1 Circuit High 
Output voltage of knock sensor signal circuit is higher than 3.91 V for 5 sec.
(2 D/C detection logic)