GM Service Manual Online
For 1990-2009 cars only

Temperature Versus Resistance ECT

°C

°F

OHMS

Temperature vs Resistance Values (Approximate)

140

284

50

126

258

75

116

240

100

108

226

120

99

210

160

92

197

200

84

183

250

78

172

300

69

156

400

63

145

500

58

136

600

51

123

750

47

116

900

39

102

1200

33

91

1500

29

84

1800

24

75

2250

19

66

2800

15

59

3500

9

48

4500

5

41

5500

1

33

7000

-6

+22

9500

-9

+16

12000

-14

+7

16000

-19

-2

21500

-24

-11

28500

-24

-11

31000

-27

-16

33000

-27

-16

35000

-28

-18

39000

-30

-22

49000

-33

-27

60000

-37

-34

70000

-40

-40

93000

Temperature Versus Resistance IAT

°C

°F

OHMS

Temperature vs Resistance Values (Approximate)

129

264

50

129

264

100

124

255

120

110

230

160

99

210

200

93

199

250

84

183

300

76

168

400

68

154

500

60

140

600

54

129

750

48

118

900

40

104

1200

33

91

1500

28

82

1800

22

71

2220

23

73

2250

17

62

2800

12

53

3500

5

41

4500

0

32

5500

-6

+22

7000

-12

+11

9500

-18

0

12000

-24

-11

16000

-30

-22

21500

-35

-31

28500

-36

-32

31000

-38

-36

33000

-39

-38

35000

-40

-40

39000

-40

-40

140000