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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Intake Air Temperature Sensor (IATS) >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. Turn the ignition switch OFF.
  2. Disconnect the IATS connector.
  3. Measure resistance between the IATS terminals 3 and 4.
  4. Check that the resistance is within the specification.
    Temperature Resistance (kΩ)
    °C °F
    -40 -40 40.93 - 48.35
    -20 -4 13.89 - 16.03
    0 32 5.38 - 6.09
    10 50 3.48 - 3.90
    20 68 2.31 - 2.57
    40 104 1.08 - 1.21
    60 140 0.54 - 0.62
    80 176 0.29 - 0.34
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