Hyundai Santa Cruz Owners & Service Manuals

Hyundai Santa Cruz: Air Conditioning System / Evaporator Temperature Sensor

- Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling.

- Inspection

1.Turn the ignition switch ON.

2.Turn the A/C swicth ON.

3.Measure resistance between terminal "+" and "-" of the evaporator temperature sensor.

Temperature[°C(°F)]Resistance (kΩ)Voltage (V)
-10(14)43.352.96
0(32)27.622.40
10(50)18.071.88
20(68)12.111.44
30(86)8.301.08
40(104)5.810.81

- Replacement

1.Disconnect the negative (-) battery terminal.

2.Remove the evaporator core.(Refer to Heater - "Evaporator Core")

3.Separate the evaporator temperature sensor (A) from the evaporator core.

4.Install in the reverse order of removal.

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