Geely EC718, EC718RV, EC715, EC715RV. Manual part — 457

No

Step 3

Use a mechanical key to unlock.

1

2

3

4

5

6

7

8

9 10

20

30

40

19

29

39

18

28

38

17

27

37

16

26

36

15

25

35

14

24

34

13

23

33

12

22

32

11

21

31

Body Control Module 1 Harness Connector IP29

FE11-5808b

(a)

Use the mechanical key to repeatedly lock and unlock, at the
same time measure BCM harness connector IP29 terminal
No.23 voltage with a multimeter.

Is the voltage between 0 V and 10 V?

Yes

Go to step 5

No

Step 4

Check the left front door lock assembly.

1

6

7

8

9

10

2

3

4

5

Left Front Door Lock Motor Harness
Connector DR06

FE11-5809b

(a)

Remove the left front door lock assembly. Refer to

11.9.8.1

Left Front Door Lock Assembly Replacement

.

(b)

Simulate mechanical key locking action, measure resistance
between the left front door lock assembly DR06 terminals No.
4 and 8 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

No

Replace the left front door lock assembly.
Refer to

11.9.8.1

Left Front Door Lock

Assembly Replacement

to confirm completion

of the repairs

Yes

Step 5

Use the Central Locking button to unlock.

Body Electric

Central Locking

11-341

1

10 11 12 13 14 15 16 17 18

24

23

22

21

20

19

2 3 4 5 6 7 8 9

Left Front Window Switch Harness
Connector DR08

FE11-5810b

(a)

Use the Central Locking button to repeatedly lock and unlock,
while measure BCM harness connector IP29 terminal No.20
voltage with a multimeter.

Is the voltage between 0 V and 10 V?

Yes

Go to step 7

No

Step 6

Check the Central Locking button assembly.

(a)

Remove the left front door window switch assembly.

(b)

Press the central locking unlock button, measure resistor
between the left front door lock assembly DR06 terminals No.
9 and 8 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Replace the left front door window switch
assembly. Refer to

11.5.8.4

Left Front

Window Switch Replacement

to confirm

completion of the repairs

No

Step 7

Check the circuit between the BCM harness connector IP29 and the left front motor assembly harness
connector DR06.

1

2

3

4

5

6

7

8

9 10

20

30

40

19

29

39

18

28

38

17

27

37

16

26

36

15

25

35

14

24

34

13

23

33

12

22

32

11

21

31

1

6

7

8

9

10

2

3

4

5

Left Front Door Lock Motor Harness
Connector DR06

Body Control Module 1 Harness Connector IP29

FE11-5811b

(a)

Disconnect BCM harness connector.

(b)

Disconnect the left front door lock motor assembly wire
harness connector. Refer to

11.9.8.1

Left Front Door Lock

Assembly Replacement

.

(c)

Measure resistance between BCM harness connector IP29
terminal No.23 and the left front motor wire harness
connector assembly DR06 terminal No.9 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 9

11-342

Central Locking

Body Electric

No

Step 8

Repair the open circuit between the BCM harness connector IP29 and the left front motor wire harness
connector assembly DR09.

(a)

Confirm the open circuit between the BCM harness
connector IP29 and the left front motor wire harness
connector assembly DR09 repair is completed.

Is normal electric door locking working?

Is the resistance specified value?

Yes

System normal

No

Step 9

Check the circuit between the BCM harness connector IP29 and the left front window switch assembly wiring
harness connector DR08.

Left Front Window Switch Harness
Connector DR08

Body Control Module 1 Harness Connector IP29

FE11-5812b

(a)

Disconnect BCM harness connector.

(b)

Disconnect the left front door lock motor assembly wire
harness connector. Refer to

11.9.8.1

Left Front Door Lock

Assembly Replacement

.

(c)

Disconnect the left front door combination switch wiring
harness connector. Measure resistance between the BCM
harness connector IP29 terminal No.20 and the left front
window switch wiring harness connector DR08 terminal No.
22 with a multimeter.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 11

No

Step 10

Repair the open circuit between the BCM harness connector IP29 and the left front window switch wiring
harness connector DR08.

(a)

Confirm the open circuit between the BCM harness
connector IP29 and the left front window switch wiring
harness connector DR08 repair is completed.

Is the electric door locking working?

Yes

System normal

No

Step 11

Measure the BCM harness connector IP27 terminals No.6 voltage.

Body Electric

Central Locking

11-343

1

2

3

4

5

6

7

8

Body Control Module 3 Harness Connector IP27

FE11-5806b

(a)

Use a mechanical key or the central locking control button to
repeatedly lock, while measure the BCM harness connector
IP27 terminal No.6 voltage with a multimeter.
Standard Voltage: 11-14 V

Is the voltage specified value?

No

Go to step 13

Yes

Step 12

Measure the BCM harness connector IP27 terminal No.5 voltage.

1

2

3

4

5

6

7

8

Body Control Module 3 Harness
Connector IP27

FE11-5813b

(a)

Use a mechanical key or the central locking control button to
repeatedly lock and unlock several times, while measure the
BCM harness connector IP27 terminal No.5 voltage with a
multimeter.

(b)

Is the voltage between 0 V and the power supply voltage?

Yes

Go to step 14

No

Step 13

Replace the BCM.

(a)

Replace the BCM. Refer to

11.10.8.1

BCM Replacement

.

Is the electric door locking working?

Yes

System normal

No

Step 14

Repair the open circuit between the BCM harness connector IP27 and the electric door lock assembly
harness connector.

11-344

Central Locking

Body Electric