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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (2 Of 5) >> DTC P0327, P0328, P0332, P0333: Knock Sensor >> On Board Diagnosis Logic
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On Board Diagnosis Logic

The MIL will not illuminate for these diagnoses. 

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0327
0327 (Bank 1)
Knock sensor circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Knock sensor
P0332
0332 (Bank 2)
P0328
0328 (Bank 1)
Knock sensor circuit high input An excessively high voltage from the sensor is sent to ECM.
P0333
0333 (Bank 2)