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Home >> Hyundai >> 2007 >> Tiburon GS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0L) >> DTC Troubleshooting Procedures >> DTC P0452 EVAP Emission System-Pressure Sensor Low Input >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Check for open in signal circuit.
    1. Ignition "OFF".
    2. Disconnect PCM connector.
    3. Measure resistance between terminals 3 of the FTPS harness connector and 33 of the PCM harness connector.

      Specification: Approx. 0Ω

    4. Is resistance within the specification?

      YES: 

      • Go to next step below.

      NO: 

  2. Check for short to ground in signal circuit
    1. Measure resistance between terminal 3 of the FTPS harness connector and chassis ground

      Specification infinite

    2. Is resistance within the specification?

      YES: 

      • Go to next step below.

      NO: