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Home >> Hyundai >> 2006 >> Accent Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0328 Knock Sensor 1 Circuit High Input >> Signal Circuit Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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  : --> Go to "COMPONENT INSPECTION " procedure.

      NO  : --> Repair Short to power in signal circuit and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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