GM Service Manual Online
For 1990-2009 cars only

Sensor Resistance Table Primary HVAC

Temperature

Ambient Air Temperature Sensor Resistance

Inside Air Temperature Sensor Resistance

°C

°F

Minimum Resistance

K Ohms

Maximum Resistance

K Ohms

Minimum Resistance

K Ohms

Maximum Resistance

K Ohms

-40

-40

332.4

334.7

95.80

105.6

-35

-31

240.3

241.8

69.09

75.81

-30

-22

175.6

176.6

50.34

55.00

-25

-13

129.6

130.3

37.04

40.29

-20

-4

96.55

97.07

27.51

29.80

-15

5

72.63

72.99

20.61

22.24

-10

14

55.12

55.38

15.57

16.74

-5

23

42.20

42.38

11.86

12.70

0

32

32.62

32.75

9.108

9.712

5

41

25.34

25.44

7.047

7.492

10

50

19.86

19.94

5.494

5.825

15

59

15.68

15.74

4.326

4.574

20

68

12.46

12.51

3.417

3.602

25

77

9.98

10.02

2.73

2.870

30

86

8.043

8.076

2.185

2.295

35

95

6.517

6.543

1.757

1.843

40

104

5.309

5.33

1.425

1.494