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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 120 (Air Conditioning System Diagnosis (HEV)) >> DTC B1237: Ambient Temperature Sensor Short (Low) >> Scantool Diagnostics >> Monitor Scantool data

Monitor Scantool data

WARNING: This page is about a different variant/trim than selected.
  1. Connect Scantool with diagnostic connector.
  2. Warm up the engine to normal engine temperature after engine starts.
  3. Select and monitor "Ambient Air Temperature sensor" parameter.
    Fig 1: Screen Display - Ambient Air Temperature Sensor
    G10591063Courtesy of HYUNDAI MOTOR AMERICA

    (Fig.1) Parameter of "Ambient Sensor" will be fixed at 20°C (68°F), if there is any fault in Ambient Sensor.

  4. Is the ambient sensor abnormal?

    YES 

    NO 

    • This is a intermittent problem caused by poor contact of component or Control Unit
    • Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector.
    • Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.