FixVault

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
      G07324976
      Fig 2: Scantool Screen Display - Sensor Data At Open
      G07324977
      Fig 3: Scantool Screen Display - Sensor Data At Short
      G07324978
  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)