Chery Tiggo 5 (T21). Manual - part 351

31–

108

31

HINT:
Resistance decreases as the temperature increases.

If result is not as specified, replace the room temperature sensor.

Installation

Installation is in the reverse order of removal.

CAUTION

 During measurement, the sensor temperature must be almost the same as the ambient temperature.

31–

109

31

Outside Temperature Sensor (for Automatic A/C)

Inspection

1. Check the outside temperature sensor.

a. Using the ohm band of digital multimeter, measure the 

resistance of outside temperature sensor according to 
the table below.

Standard Resistance

RT21310980

1

2

-

+

Multimeter 

Connection

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

Terminal 1 - 
Terminal 2

-40

332.1

2

29.76

44

4.527

Terminal 1 - 
Terminal 2

-39

310.9

3

28.29

45

4.353

Terminal 1 - 
Terminal 2

-38

291.2

4

26.9

46

4.186

Terminal 1 - 
Terminal 2

-37

272.8

5

25.59

47

4.027

Terminal 1 - 
Terminal 2

-36

255.7

6

24.35

48

3.874

Terminal 1 - 
Terminal 2

-35

239.9

7

23.17

49

3.728

Terminal 1 - 
Terminal 2

-34

225

8

22.06

50

3.588

Terminal 1 - 
Terminal 2

-33

211.2

9

21.01

51

3.454

Terminal 1 - 
Terminal 2

-32

198.4

10

20.02

52

3.326

Terminal 1 - 
Terminal 2

-31

186.4

11

19.07

53

3.204

Terminal 1 - 
Terminal 2

-30

175.2

12

18.18

54

3.086

Terminal 1 - 
Terminal 2

-29

164.7

13

17.33

55

2.974

Terminal 1 - 
Terminal 2

-28

154.9

14

16.53

56

2.866

Terminal 1 - 
Terminal 2

-27

145.8

15

15.77

57

2.762

31–

110

31

Terminal 1 - 
Terminal 2

-26

137.2

16

15.05

58

2.663

Terminal 1 - 
Terminal 2

-25

130

17

14.37

59

2.568

Terminal 1 - 
Terminal 2

-24

122.5

18

13.72

60

2.477

Terminal 1 - 
Terminal 2

-23

115.6

19

13.1

61

2.39

Terminal 1 - 
Terminal 2

-22

109.1

20

12.52

62

2.306

Terminal 1 - 
Terminal 2

-21

102.9

21

11.96

63

2.225

Terminal 1 - 
Terminal 2

-20

99.03

22

11.31

64

2.148

Terminal 1 - 
Terminal 2

-19

93.39

23

10.93

65

2.074

Terminal 1 - 
Terminal 2

-18

88.11

24

10.45

66

2.002

Terminal 1 - 
Terminal 2

-17

83.17

25

10

67

1.934

Terminal 1 - 
Terminal 2

-16

78.53

26

9.57

68

1.868

Terminal 1 - 
Terminal 2

-15

74.18

27

9.16

69

1.805

Terminal 1 - 
Terminal 2

-14

70.1

28

8.77

70

1.744

Terminal 1 - 
Terminal 2

-13

66.26

29

8.4

71

1.686

Terminal 1 - 
Terminal 2

-12

62.67

30

8.047

72

1.63

Terminal 1 - 
Terminal 2

-11

59.28

31

7.71

73

1.576

Terminal 1 - 
Terminal 2

-10

56.1

32

7.39

74

1.524

Terminal 1 - 
Terminal 2

-9

53.12

33

7.085

75

1.474

Terminal 1 - 
Terminal 2

-8

50.3

34

6.794

76

1.426

Terminal 1 - 
Terminal 2

-7

47.66

35

6.517

77

1.379

Terminal 1 - 
Terminal 2

-6

45.17

36

6.252

78

1.335

Multimeter 

Connection

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

31–

111

31

HINT:
Resistance decreases as the temperature increases.

If result is not as specified, replace the outside temperature sensor.

Terminal 1 - 
Terminal 2

-5

42.82

37

6

79

1.292

Terminal 1 - 
Terminal 2

-4

40.61

38

5.759

80

1.25

Terminal 1 - 
Terminal 2

-3

38.53

39

5.53

81

1.211

Terminal 1 - 
Terminal 2

-2

36.56

40

5.31

82

1.172

Terminal 1 - 
Terminal 2

-1

34.71

41

5.101

83

1.135

Terminal 1 - 
Terminal 2

0

32.97

42

4.901

84

1.1

Terminal 1 - 
Terminal 2

1

31.32

43

4.71

85

1.065

Multimeter 

Connection

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

Temperature 

(°C)

Specified 

Condition 

(Ω)

CAUTION

 During measurement, the sensor temperature must be almost the same as the ambient temperature.