Geely EC718, EC718RV, EC715, EC715RV. Manual part — 94

Yes

Go to step 9

No

Step 8

Repair the circuit fault between electronic anti-theft wiring harness connector coil and engine anti-theft
system control module wiring harness connector.

(a)

Repair the open circuit between the anti-theft coil harness
connector IP21 terminal No.1 and engine anti-theft system
control module wiring harness connector IP26 terminal No.1.

(b)

Repair the open circuit between the anti-theft coil harness
connector IP21 terminal No.4 and engine anti-theft system
control module wiring harness connector IP26 terminal No.2.

Can the vehicle start as per normal?

Yes

System normal

No

Step 9

Check the serial communication circuit between the engine anti-theft system control module and engine
control module.

1

3

5

7

8

6

4

2

Engine Anti-Theft Control Unit 1 Harness

Connector IP25

1

3

5

7

8

6

4

2

9

10

11

12

13

23

24

25

26

27

28

29

30

37

51

52

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54

55

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59

60

61

62

63

64

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39

40

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44

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46

47

48

49

50

31

32

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35

36

14

15

16

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18

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20

21

22

ECM Harness Connector EN01

FE02-6608b

(a)

Check the serial communication circuit resistance between
engine anti-theft system control module connector IP25
terminal No.5 and the engine control module connector EN01
terminal No.23 to determine the circuit continuity.

Standard Resistance Value: Less than 1 Ω

(b)

Check the serial communication circuit resistance between
engine anti-theft system control module connector IP25
terminal No.8 and the engine control module connector EN01
terminal No.15 to determine the circuit continuity.

Standard Resistance Value: Less than 1 Ω

Is the resistance standard?

Yes

Intermittent Fault. Refer to

2.2.7.3

Intermittent

Fault Check

No

Step 10

Repair the serial communication circuit between engine control module anti-theft system and engine control
module.

(a)

Repair the serial communication open circuit between engine
anti-theft system control module connector IP25 terminal No.

Engine

Engine Anti-theft System JL4G18-D

2-291

5 and the engine control module connector EN01 terminal
No.23.

(b)

Repair the serial communication open circuit between engine
anti-theft system control module connector IP25 terminal No.
8 and the engine control module connector EN01 terminal
No.15.

Can the vehicle start as per normal?

Yes

System normal

No

Step 11

Replace the anti-theft system control module.

(a)

Replace the anti-theft system control module. Refer to

2.5.8.2

Anti-theft System Control Module Replacement

.

(b)

Carry out the engine anti-theft system programming. Refer to

2.5.7.9

Replaced Security Module Programming

.

Yes

System normal

No

Step 12

Replace the engine control module.

(a)

Replace the engine control module. Refer to

2.2.8.8

Engine

Control Module Replacement

.

(b)

Carry out the engine anti-theft system programming. Refer to

2.5.7.10

Replaced ECM Programming

.

Confirm the repair completed.

Next

Step 13

System normal.

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Engine Anti-theft System JL4G18-D

Engine

2.5.8 Removal and Installation
2.5.8.1 EAS Coil Replacement

Removal Procedure:

Warning!

Refer to "Battery Disconnection Warning" in "Warnings
and Notices".

FE02-0445b

1.

Disconnect the battery negative cable. Refer to

2.11.8.1

Battery Disconnection

.

2.

Turn the steering wheel to the left 90 ° and remove the left
upper steering column shield retaining screw.

FE02-0446b

3.

Turn the steering wheel to the right 90 ° and remove the
right upper steering column shield retaining screw.

Engine

Engine Anti-theft System JL4G18-D

2-293

FE02-0447b

4.

Remove the lower steering column shield screw.

FE02-0448b

5.

Remove the lower steering column shield.

FE02-0449b

6.

Remove the upper steering column shield.

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Engine Anti-theft System JL4G18-D

Engine