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Home >> Kia >> 2004 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0112: Intake Air Temperature Sensor 1 Circuit Low Input >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Install Scantool and select the "Current data" mode on scantool.
  2. Check the "IAT SENSOR" parameter on scantool.
    1. Specification:
      TEMPERATURE AND RESISTANCE SPECIFICATIONS

      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 Display - Sensor Data At Open
      G07330242
      Fig 2: Scantool Display - Sensor Data At Short
      G07330243
  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 or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO

    1. Go to "W/HARNESS INSPECTION " procedure.
    CAUTION: Scantool Function Information
    1. Service Data: Scantool provides two parameters for the IAT sensor.
    DATA DESCRIPTION CHART

    Data Description Unit.
    IAT SENSOR VOLTAGE V
    IAT SENSOR °C (°F)
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