Geely EC718, EC718RV, EC715, EC715RV. Manual part — 234
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 234
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
Yes
Step 3
Remove and check the cooling fan low-speed relay, cooling fan still running?
No
Yes
Step 4
Check and repair circuit between high speed cooling fan relay and cooling fan wiring harness connector
CA16.
Engine
Engine Cooling System JL4G15-D
2-851
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
A
86
87
30
85
1
2
3
Cooling Fan Harness Connector CA16
FE02-7804b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the high-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 high-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 high-speed relay a control circuit.
2-852
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
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
FE02-7902b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect ECM harness connector EN01.
(c)
Remove the high-speed cooling fan relay A.
(d)
Test continuity between cooling fan high speed relay A
terminal No.86 and ECM harness connector EO35 terminal
No.66.
(e)
Measure resistance between cooling fan high speed relay A
terminal No.86 and a reliable ground. Check whether the
circuit is short to ground.
Standard Value:
Test Items
Specified Value
Resistance Between Relay A (86) and
EO35 (66)
Less than 1 Ω
Resistance Between Relay A (86) and
A Reliable Ground
10 kΩ or higher
Are measured values specified values?
No
Relay A terminal No.86 and EO35 terminal
No.66 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
Crankshaft Position Sensor (CKP) Learn
Next
Step 9
Diagnostic completed.
Engine
Engine Cooling System JL4G15-D
2-853
2.19 Lubrication System JL4G15-D
2.19.1 4G15-D Engine Lubrication System
Overview
Compared with 4G18-D, 4G15-D engine lubrication system
has the same content in Specification, Description and
Operation, the System Working Principle, Component Locator,
Schematic, Removal and Installation. For specific information,
please refer to
. This chapter
described contents are different from 4G18-D. For relevant
information. Refer to the following content.
2-854
Lubrication System JL4G15-D
Engine
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