Geely Emgrand X7. Manual part — 217

B. Dismantle the fuse IF33 from I/P fuse block of the instrument.

C. Test continuity between the two fuses with a multimeter.

Conducted?

IR05

85

86

87

30

IR02

85

86

87

30

IR07

85

86

87

30

4

IR01

2

1

5

3

4

2

1

5

3

IR04

IR03

85

86

87

30

IF 14

IF
2

9

IF
3

2

IF
3

3

IF
3

4

IF
3

5

IF
1

8

IF 20

IF 11

IF
2

5

IF
2

6

IF
2

7

IF
2

5

IF
0

1

IF
0

2

IF
0

3

IF
0

4

IF
0

5

IF
0

6

IF
2

6

IF
2

7

IF
2

3

IF

3

0

IF

1

2

IF

1

6

IF

1

7

NL02-0062c

3

Inspect the ECM Power Supply Voltage.

A. rotated ignition switch to OFF

position .

B.

Disconnect ECM harness
connector EN01.

C. Rotated ignition switch to ON

position .

D. Measure voltage between ECM

harness connector EN01 terminal
No.67 and a reliable ground.

E. Measure voltage between ECM

harness connector EN01 terminal
No.68 and a reliable ground.

Standard value :11-14V

NL02-2131b

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

68 67

Is the voltage normal?

4

Inspect ECM ground circuit.

No

Go to step 5

Yes

No

Inspect whether there are short circuits.
Replace the fuses.

Yes

EN01 engine control module harness

connector

867

A. rotated ignition switch to OFF position .

B. Disconnect ECM harness connector EN01.

C. Measure resistance between ECM harness connector EN01 terminal No.2 of and a reliable

ground.

(d) Measure resistance between ECM harness connector EN01 terminal No.3 and a reliable

ground.

Standard Value: Less than 1 Ω

Is the resistance normal?

A. Inspect the battery voltage: standard value 11V-14V.

B. Inspect charging voltage of generator: standard value 11.5V-14.5V.

Normal?

6

Inspect the circuit from fuse EF16 to ECM.

A. rotated ignition switch to OFF

position.

B.

Disconnect ECM harness
connector EN01.

C. Test continuity between ECM

harness connector EM01 terminal
No.67 and fuse EF10.

NL02-2133b

ER03

8 5

8 6

87

3 0

30

8 7

86

8 5

ER05

3 0

87

8 6

8 5

ER06

3 0

8 7

8 7 a

86

85

ER11

ER08

ER

09

8 5

86

8 7

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

EF0

8

EF0

7

EF2

7

EF2

6

EF2

2

EF2

9

EF

0

3

EF

0

6

EF

0

9

EF2

5

EF1

7

EF1

6

EF1

5

EF3

5

E

F

1

6

EF2

1

EF

14

EF

01

EF

02

EF

04

EF

10

EF

1

1

EF

18

EF

24

5

Inspect the charging system.

No

Repair the faulty part.

Yes

Go to step 8

No

ECM ground circuit malfunction. Repair
the faulty part.

Yes

868

D. Measure resistance between

ECM harness connector EN01
terminal No.67 and a reliable
ground.

NL02-2132b

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

3

2

NL02-2134b

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

67

Standard Value

Test Items

Specified Value

EN01(67)-EF10Continuity Continuity

Resistance Between EM01 (67) and A Reliable Ground

10 kΩ or higher

Normal?

7

Inspect the circuit from fuse IF33 to ECM.

No

Circuit malfunction, repair or replace the
wiring harness.

Yes

EN01 engine control module harness

connector

EN01 engine control module harness

connector

869

A. rotated ignition switch to OFF

position .

B.

Disconnect ECM harness
connector EN01.

C. Test Continuity between ECM

harness connector EN01 No.68
terminal and fuse IF33.

D. Measure resistance between

ECM harness connector EN01
terminal No.68 and a reliable
ground.

NL02-2130b

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

3

IF
3

4

IF
3

5

IF
1

8

IF 2 0

IF 11

IF
2

5

IF
2

6

IF
2

7

IF
2

5

IF
0

1

IF
0

2

IF
0

3

IF
0

4

IF
0

5

IF
0

6

IF
2

6

IF
2

7

IF
2

3

IF

3

0

IF

1

2

IF

1

6

IF

1

7

NL02-2135b

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

68

Standard Value

Test Items

Specified Value

EN01(68)-IF33Continuity Continuity

Resistance Between EM01 (68) and A Reliable Ground

10 kΩ or higher

Normal?

8

Use a fault diagnosis tester to confirm whether the DTC Code is stored again.

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position .

C. Clear DTC code.

No

Circuit malfunction, repair or replace the
wiring harness.

Yes

EN01 engine control module harness

connector

870