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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 B1242: Evaporator Sensor Open (High) >> 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 "Evaporator Sensor" parameter on Scantool.
    Fig 1: Screen Display - Evaporator Sensor
    G10591083Courtesy of HYUNDAI MOTOR AMERICA

    Fig.1 

    Fig.1) Parameter of "Evaporator Sensor" will be fixed at -2°C (28.4°F), if there is any fault in Evaporator Sensor.

  4. Is the Evaporator Sensor abnormal?

    YES 

    • Go to "INSPECTION AND REPAIR" procedure.

    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.