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Home >> Hyundai >> 2006 >> Tucson GLS, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6BA - GSL 2.7) >> DTC Troubleshooting Procedures >> DTC P0445 EVAP. Emission System-Purge CTRL. Valve 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 ECM connector.
    3. Measure resistance between terminals 2 of the PCSV harness connector and 42 of the ECM harness connector.

      Specification: Approx. 0Ω

      Fig 1: Measuring Resistance Between Terminals 2 Of PCSV Harness Connector And 42 Of ECM Harness Connector
      G04810458Courtesy of HYUNDAI MOTOR CO.
    4. Is resistance within the specification?

      YES  : --> Go to next step as below.

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

  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
      G04810462Courtesy of HYUNDAI MOTOR CO.
    3. Is voltage within the specification?

      YES  : --> Check for poor connection between ECM 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  : --> Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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