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Home >> Cadillac >> 2018 >> Escalade Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information And Procedures >> Outside Air Temperature Display Malfunction (1500 Series) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool ECM Ambient Air Temperature parameter is between -40°C (-40°F) and +88°C (+190°F) and changes with air temperature changes.
    • If not between -40°C (-40°F) and +88°C (+190°F) or changes with air temperature changes 

      Refer to Circuit/System Testing.

    • Go to next step: If between -40°C (-40°F) and +88°C (+190°F) and changes with air temperature changes 
  3. All OK.
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