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Home >> Kia >> 2008 >> Magentis 2.4 3 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) - 2.4L >> DTC P0448 EVAP. Emission System-Vent Control Circuit Shorted >> Control Circuit Inspection
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Control Circuit Inspection

  1. Check for short to ground in control circuit
    1. Measure voltage between terminal 2 of the CCV harness connector and chassis ground

      Specification: Approx. 4-5V

    2. Is voltage within the specification?

      YES  : --> Go to next step

      NO  : --> Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

  2. Check for short to power in control circuit
    1. Ignition "OFF"
    2. Disconnect ECM connector
    3. Ignition "ON" & Engine "OFF"
    4. Measure voltage between terminal 2 of the CCV harness connector and chassis ground

      Specification: Approx. 0V

    5. Is voltage within the specification?

      YES  : --> Go to next procedure

      NO  : --> Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

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