1413 12 1110
5
1
2
3
4
6
7
8
9
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
EF06
EF02
EF30
EF05
EF16
EF04
EF03
EF15
EF12
EF10
EF1
1
EF09
EF13
EF14
FE02-5403b
Is the fuel pump fuse EF05 blown?
No
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 fault.
(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 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 on the ignition switch.
(b)
At the same time, check the voltage of fuel pump relay
terminal 3 with a multimeter.
Standard Voltage: 11-14 V
Is voltage the Standard Value?
Yes
No
Step 4
Repair fuel pump relay terminal 3 and the fuel pump fuse EF05 circuit open fault.
(a)
Repair fuel pump relay terminal 3 and the fuel pump fuse
EF05 open circuit fault.
Is fuel pump working properly?
2-234
Fuel System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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