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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> 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 Harness Connector And 26 Of PCM Harness Connector
      G03842869Courtesy 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 Harness Connector And Chassis Ground
      G03842870Courtesy 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