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Home >> Kia >> 2007 >> Rio Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0328 Knock Sensor 1 Circuit High Input >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Check voltage.
    1. Key "OFF".
    2. Disconnect Knock sensor connector.
    3. Key "ON".
    4. Measure the voltage between terminal 1 of knock sensor harness connector and chassis ground.
    5. Measure the voltage between terminal 2 of knock sensor harness connector and chassis ground.

      Specification: Approx 2.4V

    6. Is the measured voltage within specification?

      YES 

      NO 

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