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Home >> Kia >> 2009 >> Rio LX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0328 Knock Sensor 1 Circuit High Input >> Component Inspection
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Component Inspection

  1. Check Knock sensor.
    1. Substitute with a known-good Knock sensor and check for proper operation.
    2. Is the signal normal?

      YES 

      NO 

      • Substitute with a known-good ECM/PCM and check for proper operation.
      • If the problem is corrected, replace ECM/PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE: There is a memory reset function on scan tool that can erase optional parts automatically detected and memorized by ECM/PCM.
Before or after testing ECM/PCM on the vehicle, use this function to reuse the ECM/PCM
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