GM Service Manual Online
For 1990-2009 cars only

Air Conditioning (A/C) System Performance Test V5 System

Engine Speed (RPM)

Relative Humidity (%)

Ambient Air Temperature

Center Duct Air Temperature

Low Side Pressure

High Side Pressure

°C

°F

°C

°F

kPa

psi

kPa

psi

2000

20

21

70

4

39

170

25

1 117

162

27

81

6

43

180

26

1 448

210

32

90

8

46

210

30

1 810

263

38

100

12

54

250

36

2 240

325

30

21

70

5

41

170

25

1 138

165

27

81

7

45

180

26

1 551

225

32

90

10

50

220

32

1 920

278

38

100

15

59

270

39

2 320

336

40

21

70

6

43

170

25

1 214

176

27

81

8

46

190

28

1 620

235

32

90

11

52

230

33

1 970

286

38

100

16

61

290

42

2 360

342

50

21

70

7

45

170

25

1 310

190

27

81

9

48

200

29

1 640

238

32

90

13

55

250

36

2 010

292

38

100

18

64

320

46

2 510

364

60

21

70

8

46

170

25

1 345

195

27

81

9

48

200

29

1 680

244

32

90

14

57

270

39

2 150

312

38

100

21

70

360

52

2 620

380

70

21

70

8

46

180

26

1 379

200

27

81

10

50

230

33

1 720

249

32

90

15

59

290

42

2 190

318

38

100

21

70

370

54

2 650

384

80

21

70

9

48

180

26

1 469

213

27

81

12

54

230

33

1 750

254

32

90

17

63

320

46

2 240

325

90

21

70

9

48

180

26

1 551

225

27

81

13

55

240

35

1 800

261

32

90

19

66

340

49

2 350

341

Air Conditioning (A/C) System Performance Test SP10 System

Air Mode

Ambient Air Temperature °C (°F)

Low Side Pressure kPa (psi)

Engine Speed (RPM)

Center Duct Air Temperature °C (°F)

High Side Pressure kPa (psi)

Recirculation Mode

38 (100)

270 (39)

880

15.7 (60.3)

1924 (279)

116 (17)

1900

4.2-4.9 (39.6-40.8)

1238 (180)

131 (19)

2400

4.2-7.1 (39.6-44.8)

1170 (170)

108 (16)

3300

6.4-7.1 (43.5-44.8)

1072 (155)

Outside Air Mode

38 (100)

441 (64)

880

26.3 (79.3)

2138 (310)

253 (37)

1900

16.7 (62.1)

1436 (208)

229 (33)

2400

15.4 (59.7)

1376 (200)

200 (29)

3300

14.6 (58.3)

1390 (202)