GM Service Manual Online
For 1990-2009 cars only

°C

°F

ECT Sensor

IAT Sensor

OHMS

Temperature vs Resistance Values - Approximate

100

212

177

187

90

194

241

246

80

176

332

327

70

158

467

441

60

140

667

603

50

122

973

837

45

113

1188

991

40

104

1459

1180

35

95

1802

1412

30

86

2238

1700

25

77

2796

2055

20

68

3520

2500

15

59

4450

3055

10

50

5670

3760

5

41

7280

4651

0

32

9420

5800

-5

23

12300

7273

-10

14

16180

9200

-15

5

21450

9200

-20

-4

28680

15080

-30

-22

52700

25600

-40

-40

100700

45300