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Home >> Kia >> 2007 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> DTC P0451 EVAP. Emission System-Pressure Sensor Range / Performance >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Check voltage.
    1. IG "OFF" and disconnect FTPS connector.
    2. IG "ON" & ENG "OFF"
    3. Measure voltage between terminal 1 of FTPS harness connector and chassis ground.

      Specification: Approx. 0V

    4. Is the measured voltage within specification?

      YES 

      NO