Geely EC718, EC718RV, EC715, EC715RV. Manual part — 233

1413 12 1110

5

1

2

3

4

6

7

8

9

J

L

K

I

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

1

2

5 3

86

87

30

1

1

2

5
3

2

5
3

85

EF01

EF21

EF18

EF25

EF20

EF29

EF06

EF02

EF30

EF17

EF19

EF23

EF22

EF26

EF24

EF08

EF27

EF28

EF05

EF07

EF16

EF04

EF03

EF15

EF12

EF10

EF1

1

EF09

EF13

EF14

EF32

EF31

B

86

87

30

85

FE02-7810b

(a)

Turn the ignition switch to "OFF" position.

(b)

Remove the low speed cooling fan relay B.

(c)

Turn the ignition switch to "ON" position.

(d)

Measure voltage between low speed cooling fan relay B
terminal No.85 and a reliable ground.

Standard Voltage: 11-14 V

Is the voltage specified value?

No

Circuit between relay terminal No.85 and
main relay terminal No.3 is open.

Yes

Step 9

Check low-speed relay B control circuit.

1413 12 1110

5

1

2

3

4

6

7

8

9

J

L

K

I

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

1

2

5 3

86

87

30

1

1

2

5
3

2

5
3

85

EF14

EF24

EF28

EF27

EF26

EF18

EF07

EF06

EF30

EF19

EF20

EF21

EF22

EF23

EF25

EF15

EF16

EF17

EF13

EF12

EF1

1

EF10

EF09

EF08

EF05

EF04

EF03

EF02

EF01

A

86

87

30

85

1

17

33

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

ECM Harness Connector EO35

FE02-7903b

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect ECM harness connector EN01.

(c)

Remove the low-speed cooling fan relay B.

(d)

Test continuity between low speed cooling fan relay B
terminal No.86 and EO35 terminal No.67.

(e)

Measure voltage between low speed cooling fan relay B
terminal No.86 and a reliable ground.

Standard Value:

Test Items

Specified Value

Resistance Between Relay B (86) and
EO35 (67)

Less than 1 Ω

Resistance Between Relay B (86) and A
Reliable Ground

0 V

Are measured values specified values?

No

Circuit between relay A terminal No.86 and
EO35 terminal No.66 is open.

Yes

Step 10

Check ECM working circuit.

(a)

Check whether ECM power supply circuit is normal.

(b)

Check whether ECM ground circuit is normal.

No

Repair the faulty part.

Engine

Engine Cooling System JL4G15-D

2-847

Yes

Step 11

Replace ECM.

(a)

Carry out crankshaft self learn after ECM replacement. Refer
to

2.12.7.11

Crankshaft Position Sensor (CKP) Learn

.

Next

Step 12

Diagnostic completed.

2.18.3.4 Cooling Fan Always Runs At Low-Speed

Note

When this fault is present, it is recommended to carry out diagnostic when engine is completely cooled down.

Step 1

Verify the fault.

Next

Step 2

Check the engine coolant temperature sensor signal.

(a)

Turn the ignition switch to "OFF" position.

(b)

Connect scan tool to the datalink connector.

(c)

Turn off A/C switch.

(d)

Turn the ignition switch to "ON" position.

(e)

Select in sequence: Engine / Data List / Engine Coolant
Temperature.

(f)

Observe the engine coolant temperature sensor displayed
temperature, when the engine is completely cooled down, the
displayed temperature should be slightly higher than the
ambient temperature.

Is displayed temperature normal.

No

Coolant temperature sensor or circuit
malfunction. Refer to the

2.12.7.20

DTC

P0117 P0118

Yes

Step 3

Remove and check the cooling fan low-speed relay, cooling fan still running?

No

Go to step 5

Yes

Step 4

Check and repair circuit between low speed cooling fan relay and cooling fan wiring harness connector CA16.

2-848

Engine Cooling System JL4G15-D

Engine

1413 12 1110

5

1

2

3

4

6

7

8

9

J

L

K

I

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

1

2

5 3

86

87

30

1

1

2

5
3

2

5
3

85

EF01

EF21

EF18

EF25

EF20

EF29

EF06

EF02

EF30

EF17

EF19

EF23

EF22

EF26

EF24

EF08

EF27

EF28

EF05

EF07

EF16

EF04

EF03

EF15

EF12

EF10

EF1

1

EF09

EF13

EF14

EF32

EF31

1

2

3

B

86

87

30

85

Cooling Fan Harness Connector CA16

FE02-7809b

(a)

Turn the ignition switch to "OFF" position.

(b)

Remove the low-speed cooling fan relay.

(c)

Disconnect cooling fan wiring harness connector CA16.

(d)

Check and repair circuit between relay and connector short
to power supply fault.

Step 5

Check cooling fan low speed relay.

(a)

Measure resistance between relay terminals No.87 and No.
30.

Standard Resistance: 10 kΩ or higher

Is the resistance specified value?

No

Replace relay.

Yes

Step 6

Check low-speed relay B control circuit.

Engine

Engine Cooling System JL4G15-D

2-849

1413 12 1110

5

1

2

3

4

6

7

8

9

J

L

K

I

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

1

2

5 3

86

87

30

1

1

2

5
3

2

5
3

85

EF14

EF24

EF28

EF27

EF26

EF18

EF07

EF06

EF30

EF19

EF20

EF21

EF22

EF23

EF25

EF15

EF16

EF17

EF13

EF12

EF1

1

EF10

EF09

EF08

EF05

EF04

EF03

EF02

EF01

A

86

87

30

85

1

17

33

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

ECM Harness Connector EO35

FE02-7903b

(a)

Turn the ignition switch to "OFF" position.

(b)

Disconnect ECM harness connector EN01.

(c)

Remove the low-speed cooling fan relay B.

(d)

Test continuity between cooling fan low speed relay B
terminal No.86 and ECM harness connector EO35 terminal
No.67.

(e)

Measure resistance between cooling fan low-speed relay B
terminal No.86 and a reliable ground. Check whether the
circuit is short to ground.

Standard Value:

Test Items

Specified Value

Resistance Between Relay B (86) and
EO35 (67)

Less than 1 Ω

Resistance Between Relay B (86) and A
Reliable Ground

10 kΩ or higher

Are measured values specified values?

No

Relay B terminal No.86 and EO35 terminal
No.67 wiring harnesses are faulty.

Yes

Step 7

Check ECM working circuit.

(a)

Check whether ECM power supply circuit is normal.

(b)

Check whether ECM ground circuit is normal.

No

Repair the faulty part.

Yes

Step 8

Replace ECM.

(a)

Carry out crankshaft self learn after ECM replacement. Refer
to

2.12.7.11

Crankshaft Position Sensor (CKP) Learn

.

Next

Step 9

Diagnostic completed.

2.18.3.5 Cooling Fan Always Runs At High Speed

Note

When this fault is present, it is recommended to carry out diagnostic when engine is completely cooled down.

Step 1

Verify the fault.

2-850

Engine Cooling System JL4G15-D

Engine