Geely EC718, EC718RV, EC715, EC715RV. Manual part — 221
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 221
Yes
Step 2
Repair fuel pump fuse EF05 circuit.
(a)
Check fuel pump fuse EF05 circuit.
(b)
Repair fuel pump power circuit short to ground.
(c)
Replace the fuse EF05.
Fuse Rating: 15 A
Is fuel pump working properly?
Yes
System normal
No
Step 3
Check fuel pump relay terminal No.3 voltage.
J
L
K
I
1
2
5 3
86
87
30
1
1
2
5
3
2
5
3
85
EF01
EF21
EF18
EF25
EF20
EF29
EF17
EF19
EF23
EF22
EF26
EF24
EF08
EF27
EF28
EF32
EF31
FE02-5404b
(a)
Turn the ignition switch.
(b)
At the same time, check the fuel pump relay terminal No.3
voltage with a multimeter.
Note
Pump relay will only work for a short period. use scan
tool drive fuel pump relay work to facilitate inspection.
Standard Voltage: 11-14 V
Is the voltage Standard Value?
Yes
No
Step 4
Repair fuel pump relay terminal No.3 and fuel pump fuse EF05 circuit open fault.
(a)
Repair fuel pump relay terminal No.3 and fuel pump fuse
EF05 circuit open fault.
Is fuel pump working properly?
Yes
System normal
No
Step 5
Check fuel pump relay terminal No.1 voltage.
Engine
Fuel System JL4G15-D
2-799
J
L
K
I
1
2
5 3
86
87
30
1
1
2
5
3
2
5
3
85
EF01
EF21
EF18
EF25
EF20
EF29
EF17
EF19
EF23
EF22
EF26
EF24
EF08
EF27
EF28
EF32
EF31
FE02-5501b
(a)
Use scan tool to drive pump relay.
(b)
Check fuel pump relay terminal No.1 voltage with a
multimeter.
Standard Voltage: 11-14 V
Is the voltage Standard Value?
Yes
No
Step 6
Repair ECM harness connector EO35 terminal No.71 and pump relay connector No.1 circuit open fault.
(a)
Repair ECM harness connector EO35 terminal No.71 and
pump relay connector No.1 circuit open fault.
Is fuel pump working correctly?
No
System normal
Yes
Step 7
Replace ECM.
(a)
Replace ECM. Refer to
Note
Replace ECM. Make sure that ECM power supply and
ground circuits have no faults.
Is fuel pump working properly?
Yes
System normal
No
Step 8
Test continuity between pump relay terminal No.2 and the ground circuit.
(a)
Measure resistance between pump relay terminal No.2 and
ground with a multimeter.
Standard Value: Less than 1 Ω
Is the resistance specified value?
Yes
No
Step 9
Repair pump relay terminal No.2 Ground circuit fault.
2-800
Fuel System JL4G15-D
Engine
Step 10
Check pump relay terminal No.5 voltage.
J
L
K
I
1
2
5 3
86
87
30
1
1
2
5
3
2
5
3
85
EF01
EF21
EF18
EF25
EF20
EF29
EF17
EF19
EF23
EF22
EF26
EF24
EF08
EF27
EF28
EF32
EF31
FE02-5407b
(a)
Turn on the ignition switch.
Standard Voltage: 11-14 V
Confirm whether the voltage is standard value.
Yes
No
Step 11
Replace the fuel pump relay.
(a)
Replace the fuel pump relay.
Make sure fuel pump is working properly.
Yes
System normal
No
Step 12
Check the fuel pump wiring harness connector SO29 terminal No.3 voltage.
1
2
3
4
Fuel Pump Harness Connector SO29
FE02-5408b
(a)
Check fuel pump wiring harness connector SO29 terminal
No.3 voltage with a multimeter.
Standard Voltage: 11-14 V
Is the voltage standard value?
Yes
No
Step 13
Repair the circuit between fuel pump wiring harness connector SO29 terminal No.3 and the fuel pump relay
terminals No.5.
Engine
Fuel System JL4G15-D
2-801
1
2
3
4
Fuel Pump Harness Connector SO29
J
L
K
I
1
2
5 3
86
87
30
1
1
2
5
3
2
5
3
85
EF01
EF21
EF18
EF25
EF20
EF29
EF17
EF19
EF23
EF22
EF26
EF24
EF08
EF27
EF28
EF32
EF31
FE02-5409b
(a)
Check the circuit between fuel pump wiring harness
connector SO29 terminal No.3 and the fuel pump relay
terminals No.5.
(b)
Repair the circuit between fuel pump wiring harness
connector SO29 terminal No.3 and the fuel pump relay
terminals No.5 open fault.
Is fuel pump working properly?
Yes
System normal
No
Step 14
Check fuel pump wiring harness connector SO29 terminal No.4 and body ground circuit.
1
2
3
4
Fuel Pump Harness Connector SO29
FE02-5410b
(a)
Check resistance between fuel pump wiring harness
connector SO29 terminal No.4 and body ground circuit with
a multimeter.
Standard Resistance Value: Less than 1 Ω
Is fuel pump ground circuit normal?
Yes
No
Step 15
Repair fuel pump wiring harness connector SO29 terminal No.4 and body ground circuit.
(a)
Repair fuel pump wiring harness connector SO29 terminal
No.4 and body ground circuit open fault.
Is fuel pump working properly?
Yes
System normal
2-802
Fuel System JL4G15-D
Engine
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