GM Service Manual Online
For 1990-2009 cars only

Sensor Resistance Table Outside Air Temperature

Temperature

Ambient Air Temperature Sensor Resistance

°C

°F

Resistance

K Ohms

-40

-40

336,000

-35

-31

242,700

-30

-22

177,000

-25

-13

130,400

-20

-4

97,060

-15

5

72,940

-10

14

55,320

-5

23

44,230

0

32

32,650

5

41

25,396

10

50

19,903

15

59

15,714

20

68

12,493

25

77

10,000

30

86

8,056

35

95

6,530

40

104

5,327

45

113

4,370

50

122

3,603

Sensor Resistance Table Evaporator Temperature

°C / °F

Evaporator Temperature Sensor Resistance (ohms)

-30 / -22

52.78 K

-25 / -13

39.81 K

-20 / -4

30.37 K

-15 / 5

23.41 K

-10 / 14

18.04 K

-5 / 23

14.32 K

0 / 32

11.36 K

5 / 41

9.08 K

10 / 50

7.34 K

15 / 59

5.94 K

20 / 68

4.87 K

25 / 77

4.00 K

30 / 86

3.31 K

35 / 95

2.79 K

40 / 104

2.29 K

45 / 113

1.96 K

50 / 122

1.85 K