Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Kia >> 2004 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Fault Isolation >> Diagnosis >> DTC P0112: Intake Air Temperature Sensor 1 Circuit Low Input >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Install Scantool and select the "Current data" mode on scantool.
  2. Check the "IAT SENSOR" parameter on scantool.
    1. Specification:
      IAT SPECIFICATION REFERENCE CHART

      Temperature °C (°F) -40 (-40) -30 (-22) -20 (-4) 0 (32) 20 (68) 80 (176) 100 (212) 110 (230) 120 (248)
      Resistance (kΩ) 45.3 25.6 15.1 5.8 2.5 0.33 0.19 0.16 0.13
      Voltage (V) 4.48 4.34 4.12 3.46 2.57 0.64 0.39 0.34 0.27

      (error range is 2~3%.)

      Fig 1: Scantool Screen Display - Sensor Data At Normal Status
      G07324968
      Fig 2: Scantool Screen Display - Sensor Data At Open
      G07324969
      Fig 3: Scantool Screen Display - Sensor Data At Short
      G07324970
  3. Is the IAT sensor signal within specifications?

    YES

    1. Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector.
    2. Fault was repaired and PCM memory was not cleared.
    3. If the problem has been corrected, Go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO

    1. Go to "INSPECTION & REPAIR " procedure.
    NOTE: Scantool Function Information
    1. Service Data: Scantool provides two parameters for the IAT sensor.
      IAT DESCRIPTION CHART

      Data Description Unit.
      IAT SENSOR VOLTAGE V
      IAT SENSOR °C (°F)
scientia non olet · About Mike's Workshop Manuals