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Home >> Hyundai >> 2006 >> Tucson GL, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC - GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0452 EVAP. Emission System-Pressure Sensor Low Input >> Power Supply Circuit Inspection
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Power Supply Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect FTPS connector
  3. Ignition "ON" & Engine "OFF".
  4. Measure voltage between terminal 3 of the FTPS harness connector and chassis ground.

    Specification: Approx. 5V

    Fig 1: Measuring Voltage Between Terminal 3 Of FTPS Harness Connector And Chassis Ground
    G04810478Courtesy of HYUNDAI MOTOR CO.
  5. Is voltage within the specification?

    YES  : --> Go to "SIGNAL CIRCUIT INSPECTION " procedure.

    NO  : --> Check for a open in the power supply circuit. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.