Geely Emgrand X7. Manual part — 428

9

Inspect the communication between engine cabin fuse box and ECM.

(a) Inspect whether the engine hood fuse box

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

(b) Make sure that engine hood fuse box harnesses

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

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

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

10

Inspect the ECM circuit.

(a) Check ECM power supply and grounding circuit.

(b) Make sure that ECM power supply and

grounding are connected normally.

Does the A/C clutch operate normally?

No

Yes

The system is normal.

No

Yes

The system is normal.

EN25 engine compartment fuse box harness

connector

EN01 engine control module harness connector

1711

11 Replace

ECM

(a) Replace ECM and refer to 2.2.8.6 "replacement

of engine control module".

Does the A/C clutch operate normally?

12

Replace A/C pressure switch.

(a) Replace A/C pressure switch.

Does the A/C clutch operate normally?

13

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

(a) Inspect whether A/C control module harnesses

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

(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.

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

14

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

No

Yes

The system is normal.

No

Yes

The system is normal.

No

Yes

The system is normal.

IP16 air conditioningcontrol module harness

connector

EN17 air conditioning pressure switchharness

connector

1712

(a) Check if ECM harness connector EN01 terminal

40 connect with A/C pressure switch harness
connector EN17 terminal 4

(b) Make sure that ECM harnesses connector EN01

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

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

Confirm the completion of repair.

16

The system is normal.

15

Replace A/C control module.

Next

No

Yes

The system is normal.

EN01 engine control module harness connector

EN17 air conditioning pressure switchharness

connector

1713

8.2.7.9 AC Blower Does Not Work

Circuit diagram:

See Electrical appliance schematic diagram.

Diagnostic steps:

1

Carried out A/C self- inspection process ,

(a) Carried out A/C self- inspection process, refer to

8.2.7.5 Self- inspection controller.

(b) Repair and check all indicator fault by self

Does the A/C blower operate normally?

2

Inspect the blower relay (indoor fuse relay box R03).

A． Perform the maintenance procedures according to

the following list of symptoms.

NL08-2021b

IR05

8 5

8 6

8 7

3 0

IR02

8 5

8 6

8 7

3 0

IR07

8 5

8 6

8 7

3 0

4

IR01

2

1

5

3

4

2

1

5

3

IR04

IR03

8 5

8 6

8 7

3 0

IF 1 4

IF
2

9

IF
3

2

IF
3

3

IF
3

4

IF
3

5

IF
1

8

IF 1 3

IF 11

IF
2

5

IF
2

6

IF
2

7

IF
2

0

IF
0

1

IF
0

2

IF
0

3

IF
0

4

IF
0

5

IF
0

6

IF
2

1

IF
2

2

IF
2

3

IF

3

0

IF1
2

IF1
6

IF1
7

Symptoms

Suspected fault part

Maintenance scheme

Terminal 30 of the blower relay
has no battery voltage.

The fuse IF17 (40A) is blown.
harnesses fault

Repair the harnesses.
Replace fuseIF17

Terminal 85 of the blower relay
has no battery voltage.

The fuse IF25 (10A) is blown.
harnesses fault

Repair the harnesses.
Replace fuseIF25

Terminal of the blower
assembly IP11-1 has no battery
voltage.

The blower relay faults.
harnesses fault

Replace blower relay
Repair the harnesses.

Terminal 86 of the blower relay
is in bad contact with ground.

harnesses fault
Ground point G8 faults.

Repair the harnesses.
Repair the fault of poor grounding of

No

Yes

The system is normal.

1714