GM Service Manual Online
For 1990-2009 cars only

Temperature

Ambient Air Temp Sensor

Duct Air Temperature Sensors and Inside Air Temperature Sensor

Evaporator Air Temperature Sensor

°C

°F

(K ohms)

(K ohms)

(K ohms)

-40

-40

333.56

169.4

92.76

-30

-22

176.08

88.74

48.79

-20

-4

96.8

48.58

26.76

-10

14

55.2

27.67

15.25

0

32

32.6

16.33

9

10

50

19.9

9.95

5.48

20

68

12.4

6.24

3.44

30

86

8.05

4.02

2.22

40

104

5.32

2.66

1.47

50

122

3.6

1.8

0.993

60

140

2.48

1.24

0.685

70

158

1.75

.877

0.482