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Home >> Kia >> 2005 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> DTC P0452 EVAP. Emission System-Pressure Sensor Low Input >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Check for short to ground in harness
    1. Ignition "OFF"
    2. Disconnect FTPS connector.
    3. Measure resistance between terminal 3 of FTPS harness connector and chassis ground.

      Specification: Infinite

      Fig 1: Measuring Resistance Between Terminal 3 Of FTPS Harness Connector And Chassis Ground
      G03876748Courtesy of KIA MOTORS AMERICA, INC.
    4. Is the measured resistance within specifications?

      Yes 

      • Go to "Check for open in harness" as below.

      NO 

  2. Check for open in harness
    1. Ignition "OFF"
    2. Disconnect FTPS connector.
    3. Measure resistance between terminal "3" of FTPS harness connector and terminal "C22" of PCM harness connector.

      Specification: Approx. below 1Ω

      Fig 2: Measuring Resistance Between Terminal "3" Of FTPS Harness Connector
      G03876749Courtesy of KIA MOTORS AMERICA, INC.
    4. Is the measured resistance within specifications?

      Yes 

      NO