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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 >> Power Circuit Inspection

Power Circuit Inspection

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

      Specification: Approx. 5V

      Fig 1: Measuring Voltage Between Terminal 1 Of FTPS Harness Connector And Chassis Ground
      G03876746Courtesy of KIA MOTORS AMERICA, INC.
    5. Is the measured voltage within specifications?

      Yes 

      NO 

      • Go to "Check for open in harness" as below.
  2. Check for open in harness
    1. Ignition "OFF"
    2. Disconnect FTPS connector and PCM connector.
    3. Measure resistance between terminal "1" of FTPS harness connector and terminal "C23" of PCM harness connector.

      Specification: Approx. below 1Ω

      Fig 2: Measuring Resistance Between Terminal "1" Of FTPS Harness Connector
      G03876747Courtesy of KIA MOTORS AMERICA, INC.
    4. Is the measured resistance within specifications?

      Yes 

      NO