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2-142
Control System JL4G18-D
Cylinder No.4 Fuel Injector Harness
Connector EN14
1
Step 5
Check and repair cylinder No.4 fuel injector power supply circuit.
Cylinder No.4 Fuel Injector Harness
Connector EN14
1
86
2
J
1
L
87
30
5
85
3
1
K
2
1
I
5 3
5
2
3
1
G
2
Check cylinder No.4 fuel injector control circuit.
Step 6
EC718/EC718RV EC715/EC715RV 10/2009
2
FE02-5072b
2
EF28
EF27
EF08
1
G
5 3
2
30
EF01
3
86
85
F
87
3
86
86
B
E
30
87
87
85
85
1413 12 11 10
86
5 3
87
A
9
8
6
5
7
85
4
3
2
1
FE02-5073b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect cylinder No.1 fuel injector wiring harness
connector EN14.
(c)
Connect test lamp made from light-emitting diodes to the fuel
injector wiring harness connector EN14 terminal No.1 and
No.2.
(d)
Start the engine.
(e)
Check whether the test lamp is flashing as per normal.
Is test lamp flashing as per normal?
No
Yes
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the fuel injector wiring harness connector EN14.
(c)
Remove the engine main relay.
(d)
Measure resistance between cylinder No.4 fuel injector
wiring harness connector EN14 terminal No.1 and engine
main relay terminal No.3.
(e)
Measure resistance between cylinder No.4 fuel injector
wiring harness connector EN14 terminal No.1 and a reliable
ground
EN14 (1) and Main Relay Terminal No.3
EN14 (1) and a Reliable Ground
(f)
Install the engine main relay.
2
5
D
1
(g)
Connect cylinder No.4 fuel injector wiring harness connector
2
5
C
1
EN14.
30
Exclude the fuel injector power supply circuit fault.
30
Next
Go to step 6
Go to step 7
Test Items
Go to step 9
Engine
Standard Value
Less than 1 Ω
10 kΩ or higher
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