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Home >> Kia >> 2007 >> Spectra5 2.0 2, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> Inspection Chart For Diagnostic Trouble Codes (DTC) >> 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. Ignition "OFF".
    2. Disconnect PCM connector.
    3. Measure resistance between terminals 2 of the CCV harness connector and 91 of the PCM harness connector.

      Specification: Approx. 0Ω

    4. Is resistance within the specification?

      YES 

      • Go to next step as below.

      NO 

  2. Check for short to battery in control circuit
    1. Ignition "ON" and Engine "OFF"
    2. Measure voltage between terminal 2 of the CCV harness connector and chassis ground.

      Specification: Approx. 0V

    3. Is voltage within the specification?

      YES 

      • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

      NO