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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0452: EVAP Emission Control System Pressure Sensor Low Input >> Inspection Procedures >> 5. Check FTPS For Normal Parameters Again
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5. Check FTPS For Normal Parameters Again

  1. Connect the ECM and FTPS connectors and turn ignition switch to ON position.
  2. Using the Hi-Scan (Pro) monitor FTPS voltage signals.
    • Specification: approximately 2.5V at idle 

Is voltage within specification? 

No: Proceed with ECM problem procedure.

Yes: Replace FTPS.