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Home >> Hyundai >> 2006 >> Elantra GLS, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0445 EVAP. Emission System-Purge CTRL. Valve Circuit Shorted >> Control Circuit Inspection

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 PCSV harness connector and 26 of the PCM harness connector.

      Specification: Approx. 0Ω

      Fig 1: Measuring Resistance Between Terminals 2 Of PCSV Connector And 26 Of PCM Connector
      G04924020Courtesy of HYUNDAI MOTOR CO.
    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" & Engine "OFF".
    2. Measure voltage between terminal 2 of the PCSV harness connector and chassis ground.

    Specification: Approx. 0V

    Fig 2: Measuring Voltage Between Terminal 2 Of PCSV Connector And Chassis Ground
    G04924025Courtesy of HYUNDAI MOTOR CO.
  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: