No
Step 2
Scan ECM for DTC codes.
(a)
Connect scan tool.
(b)
Turn the ignition switch to "ON" position.
(c)
Scan ECM for DTC codes.
(d)
Check DTC P0627 and any fuel system related DTC codes
and repair the faulty part. Refer to
.
(e)
Clear ECM DTC codes.
Start the engine, fault solved?
Yes
System normal
No
Step 3
Check fuel pump relay.
(a)
Connect scan tool.
(b)
Turn the ignition switch to "ON" position.
(c)
Select scan tool "Fuel Pump Relay" in the "Action Test" to
drive the fuel pump relay.
Is fuel pump relay working properly?
Yes
No
Step 4
Replace the fuel pump relay.
(a)
.
(b)
Replace the fuel pump relay.
(c)
Inspect fuel pump relay circuits and repair the faulty part.
Start the engine, fault solved?
Yes
System normal
No
Step 5
Check the fuel pump circuit.
2-200
Control System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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