Geely EC718, EC718RV, EC715, EC715RV. Manual part — 138
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 138
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 the cooling fan wiring harness connector CA16.
(d)
Test the continuity between the high-speed cooling fan relay
A terminal No.30 and the cooling fan wiring harness
connector CA16 terminal No.2.
(e)
Measure resistance between the high-speed cooling fan
relay A terminal No.30 and a reliable ground. check whether
there is a short to ground circuit.
Standard Value:
Test Items
Specified Value
Relay A (30)-CA16 (2)
Less than 1 Ω
Resistance Between Relay A (30) and
A Reliable Ground
10 kΩ or higher
Is the measured value specified value?
No
Circuit between the relay terminal No.30 and
the cooling fan wiring harness connector
CA16 terminal No.2 is fault. check and Repair
the faulty part.
Yes
Step 7
Replace the high-speed cooling fan relay A. Confirm the fault has been fixed.
Step 8
Check high-speed relay A coil power supply.
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
FE02-7805b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the high-speed cooling fan relay A.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between high-speed cooling fan relay 85
terminal A and a reliable ground.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Circuit between relay 85 terminals and the
main relay terminal No.3 is open.
Yes
Step 9
Check the high-speed relay A control circuit.
Engine
Cooling System JL4G18-D
2-467
1
3
5
7
8
6
4
2
9
10
11
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23
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26
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37
51
52
53
54
55
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57
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60
61
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63
64
38
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45
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47
48
49
50
31
32
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35
36
14
15
16
17
18
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20
21
22
ECM Harness Connector EN01
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
FE02-7806b
(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 the continuity between the high-speed cooling fan relay
86 terminal A and EN01 terminal No.52.
(e)
Measure voltage between high-speed cooling fan relay 86
terminal A and a reliable ground. check whether the circuit is
short to power supply.
Standard Value:
Test Items
Specified Value
Relay A (86)-EN01 (52)
Less than 1 Ω
Relay A (86) - A Reliable Ground
0 V
Is the measured value specified value?
No
Circuit between Relay 86 terminal A and
EN01 terminal No.52 is open. check and
repair the relevant parts.
Yes
Step 10
Check ECM 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 11
Replace ECM.
Next
Step 12
Diagnostic completed.
2.8.7.4 Low-Speed Cooling Fan Does Not Run
Note
Before carry out this diagnostic procedures, please Refer to the2.8.7.2
Cooling Fan Circuit Diagnosis, which will facilitate
the Diagnostic.
Step 1
Check the low-speed cooling fan power supply.
2-468
Cooling System JL4G18-D
Engine
1
2
3
Cooling Fan Harness Connector CA16
FE02-7807b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect cooling fan wiring harness connector CA16.
(c)
Turn the ignition switch to "ON" position.
(d)
Connect scan tool to the datalink connector.
(e)
Select in sequence: Engine / Action Test / Fan 1.
(f)
Make low-speed relay work.
(g)
Measure voltage between CA16 cooling fan wiring harness
connector terminal No.1 and a reliable ground.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Yes
Step 2
Check the cooling fan ground circuit.
1
2
3
Cooling Fan Harness Connector CA16
FE02-7802b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the cooling fan wiring harness connector CA16.
(c)
Measure resistance between cooling fan wiring harness
connector CA16 terminal No.3 and a reliable ground.
Standard Resistance: Less than 1 Ω
Is the resistance specified value?
No
CA16 terminal No.3 poor connection to
ground. Inspect and repair the faulty parts.
Yes
Step 3
Replace the cooling fan assembly.
Step 4
Use scan tool "Action Test" to drive fan 1. Does the low speed relay work?
No
Yes
Step 5
Check relay B terminal No.87 power supply.
Engine
Cooling System JL4G18-D
2-469
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
FE02-7808b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the low-speed cooling fan relay B.
(c)
Measure voltage between cooling fan relay B terminal No.87
and a reliable ground.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Relay B terminal No.87 power circuit is faulty.
Inspect and repair the faulty parts.
Yes
Step 6
Check the circuit between low-speed cooling fan relay and cooling fan wiring harness connector CA16.
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 low-speed cooling fan relay.
(c)
Disconnect cooling fan wiring harness connector CA16.
(d)
Test the continuity between the Low-Speed cooling fan relay
B terminal No.30 and cooling fan wiring harness connector
CA16 terminal No.1.
(e)
Measure resistance between cooling air speed relay B
terminal No.30 and a reliable ground. check whether there is
a short to ground circuit.
Standard Value:
Test Items
Specified Value
Relay B (30)-CA16 (1)
Less than 1 Ω
Resistance Between Relay B (30) and
A Reliable Ground
10 kΩ or higher
Is the voltage specified value?
No
Circuit between the relay terminal No.30 and
the cooling fan wiring harness connector
CA16 terminal No.1 is faulty. Check and
Repair the faulty part.
Yes
Step 7
Replace the cooling fan low speed relay B. Confirm whether the fault has been fixed.
Step 8
Check low-speed relay B coil power supply.
2-470
Cooling System JL4G18-D
Engine
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