Geely Emgrand X7. Manual part — 438

5

Repair the compressor clutch power supply circuit.

(a) Turn the ignition switch to OFF position.

(b) Disconnect engine hood fuse box harnesses

connector EN25.

(c) Disconnect compressor clutch harnesses

connector EN06.

(d) Inspect engine hood fuse box harnesses

connector EN25 terminal 6 and compressor.

Open circuit between terminalS1 of the clutch
harnesses connector EN06.

NL08-2006b

EN25发动机舱保险丝盒线束连接器

1

2

3

4

5

6

7

8

9

10

11 12 13 14 15 16

(e) Make sure that engine hood fuse box harnesses

connector EN25 terminal 6 and compressor.

Circuit between terminalS1 of the clutch harnesses
connector EN06 is normal.

Standard Resistance: Less than 1 Ω

Does the A/C clutch operate normally?

NL08-2005b

EN06压缩机线束连接器

1

6

Inspect and adjust the A/C relay, and replace if necessary.

No

Yes

The system is normal.

EN25 engine compartment fuse box harness

connector

EN06compressorharness connector

1751

(a) Check if. Adjusting A/C electrical.if ensure.

place it.

Does the A/C clutch operate normally?

NL08-2037b

ER03

85

86

87

30

30

87

86

85

ER05

30

87

86

85

ER06

30

87

87a

86

85

ER11

ER08

ER

09

85

86

87

30

4

ER10

2

1

5

3

4

2

1

5

3

4

2

1

5

3

ER04

4

ER02

2

1

5

3

4

2

1

5

3

ER01

ER07

4

2

1

5

3

1

2

3

4

11

12

13

14

15

16

5

6

7

8

9

10

EF

0

8

EF

0

7

EF

2

7

EF

2

6

EF

2

2

EF

2

9

EF

0

3

EF

0

6

EF

0

9

EF

2

5

EF

1

7

EF

1

6

EF

1

5

EF

3

5

EF

2

1

EF1

4

EF0

1

EF0

2

EF0

4

EF1

0

EF1

1

EF1

8

EF2

4

5

3

1

2

7

Inspect the electromagnetic clutch.

(a) Connect positive pole of battery to junction terminal and negative pole to housing of compressor.

(b) Inspect electromagnetic clutch under switching on condition.

Does the A/C clutch operate normally?

8

Inspect the communication between engine cabin fuse box and ECM.

(a) Inspect engine hood fuse box harnesses

connector EN25 terminal and ECM harnesses.

Communication between terminals 10 of connector
EN01.

(b) Make sure that engine hood fuse box harnesses

connector EN25 terminal 3 and ECM harnesses
connector EN01 terminal 10 are connected well.

Circuit between terminals 10 of connector EN01 is
normal.

Standard Resistance: Less than 1 Ω

Does the A/C clutch operate normally?

NL08-2007b

EN25发动机舱保险丝盒线束连接器

1

2

3

4

5

6

7

8

9

10

11 12 13 14 15 16

No

Yes

The system is normal.

No

Yes

The system is normal.

EN25 engine compartment fuse box harness

connector

EN25 engine compartment fuse box harness

connector

1752

NL08-2008b

EN01发动机控制模块线束连接器

1

2

4

5

3

81

63

44

25

6

62

43

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

26

42 41

40

39 38 37

36

35 34 33

32

31 30 29

28

27

45

46

61

60 59

58

57 56 55

54 53 52

51

50 49

48

47

64

65

66

80 79

78

77 76 75

74

73 72 71

70

69 68 67

9

Inspect the ECM circuit.

(a) Check ECM power supply, grounding wire.

(b) Confirm if ECM power supply is normal with body circuit.

Does the A/C clutch operate normally?

10

Replace ECM

(a) Replace ECM and refer to 2.2.8.6 "Replacement of engine control module".

Does the A/C clutch operate normally?

11

Replace A/C pressure switch.

(a) Replace A/C pressure switch.

Does the A/C clutch operate normally?

No

Yes

The system is normal.

No

Yes

The system is normal.

No

Yes

The system is normal.

No

Yes

The system is normal.

EN01 engine control module harness connector

1753

12

Detect the communication of the A/C control module and the A/C pressure switch.

(a) Inspect A/C control module harnesses

connector IP16 terminal 10 and A/C pressure
switch.

Communication between terminals 2 of the
harnesses connector EN17.

(b) Make sure that A/C control module harnesses

connector IP16 terminal 10 and A/C pressure
switch harnesses connector EN17 terminal 2
are connected normally.

The circuit between the terminals 2 of the harnesses
connector EN17 is normal.

Does the A/C clutch operate normally?

14

13

15 16 17 18 19 20 21 22 23 24

1

2

3 4

5

6

7

8 9 10 11 12

空调控制模块线束连接器

IP16

空调压力开关线束连接器

EN17

2

1

3

4

NL08-2009b

13

Inspect the communication of the ECM and the A/C pressure switch.

(a) Check if ECM harness connector EN01 terminal

40 connect with A/C pressure switch harness

Communication of the terminal 4 of the connector
EN17.

(b) Make sure that ECM harnesses connector EN01

terminal 40 is well connected with A/C pressure
switch harnesses connector EN17 terminal 4.

The circuit of the terminal 4 of the connector EN17 is
normal.

Does the A/C clutch operate normally?

空调压力开关线束连接器

EN17

2

1

3

4

1

2

4

5

3

81

63

44

25

6

62

43

24 23 22 21 20 19 18 17 16 15 14 13 12 11

10

9

8

7

26

42 41

40 39 38

37

36 35 34

33

32 31 30

29

28 27

45

46

61

60 59

58

57 56 55

54 53 52

51

50 49

48

47

64

65

66

80 79

78 77 76

75

74 73 72

71

70 69 68

67

发动机控制模块线束连接器

EN01

NL08-2010b

(a) Replace A/C control module, refer to 8.2.8.1 A/C control panel

14

Replace A/C control module.

No

Yes

The system is normal.

No

Yes

The system is normal.

IP16 air conditioningcontrol module harness

connector

EN17 air conditioning pressure switchharness

connector

EN17 air conditioning pressure switchharness

connector

EN01 engine control module harness connector

1754