GM Service Manual Online
For 1990-2009 cars only

IAT Sensor

°C

°F

OHMS

Temperature vs Resistance Values (Approximate)

150

302

47

140

284

60

130

266

78

120

248

101

110

230

133

100

212

178

90

194

242

80

176

334

70

158

469

60

140

671

50

122

980

40

104

1465

30

86

2240

20

68

3511

10

50

5658

0

32

9399

-10

14

16120

-20

-4

28583

-30

-22

52594

-40

-40

100866


ECT Sensor

°C

°F

OHMS

Temperature vs Resistance Values (Approximate)

150

302

57

140

284

71

120

248

113

100

212

186

80

176

323

60

140

596

40

104

1175

25

86

2057

20

68

2500

0

32

5896

-10

14

9397

-20

-4

15462

-40

-40

45313