GM Service Manual Online
For 1990-2009 cars only

Temperature Versus Resistance ECT and IAT

ECT and IAT Sensor

°C

°F

OHMS

Temperature vs Resistance Values (Approximate)

130

266

85

120

248

110

110

230

142

100

212

186

90

194

246

80

176

329

70

158

446

60

140

612

50

122

851

45

113

1,009

40

104

1,200

35

95

1,432

30

86

1,715

25

77

2,063

20

68

2,511

15

59

3,075

10

50

3,791

5

41

4,707

0

32

5,887

-5

23

7,419

-10

14

9,426

-15

5

12,078

-20

-4

15,614

-30

-22

26,854

-40

-40

48,153