Typical Engine Coolant Temperature (ECT) Sensor and Intake Air Temperature (IAT) Sensor Temperature vs Resistance Values (Approximate)

100

212

177

90

194

241

80

176

332

70

158

467

60

140

667

50

122

973

45

113

1188

40

104

1459

35

95

1802

30

86

2238

25

77

2796

20

68

3520

15

59

4450

10

50

5670

5

41

7280

0

32

9420

-5

23

12300

-10

14

16180

-15

5

21450

-20

-4

28680

-30

-22

52700

-40

-40

100700