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 circuit between fuel pump wiring harness connector
SO29 terminal 3 and the fuel pump relay terminals 5.
(b)
Repair open circuit fault between fuel pump wiring harness
connector SO29 terminal 3 and the fuel pump relay terminals
5.
Is fuel pump working properly?
Yes
System normal
No
Step 13
Check the fuel pump wiring harness connector SO29 terminal 4 and the 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 4 and the body ground with a
multimeter to confirm the ground circuit continuity.
Resistance Standard Value: Less than 1 Ω
Is fuel pump ground circuit normal?
Yes
No
Step 14
Repair fuel pump wiring harness connector SO29 terminal 4 and the body ground circuit.
(a)
Repair fuel pump wiring harness connector terminal 4 and
the body SO29 ground circuit open fault.
Is fuel pump working properly?
Yes
System normal
2-238
Fuel System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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