Geely EC718 2009 Workshop Manual page 324

2-242 Fuel System JL4G18-D
No
Check the fuel injector wiring harness connector terminal 1 voltage.
Step 6
Cylinder No.1 Fuel Injector Harness Connector EN11
1
No
Repair the main relay circuit.
Step 7
No
Check the fuel injector wiring harness connector terminal 2 low voltage periodic waveform.
Step 8
Cylinder No.1 Fuel Injector Harness Connector EN11
1
No
Replace ECM.
Step 9
EC718/EC718RV EC715/EC715RV 10/2009
2
FE02-5415b
2
FE02-5416b
(a) Turn on point switch.
(b) Measure fuel injectors wiring harness connector terminal 1
voltage with a multimeter .
Standard Voltage: 11-14 V
Is voltage the Standard Value?
Go to step 8
Yes
(a) Repair the main relay circuit. Refer to this
section2.2.7.37 DTC P0560 P0562
Is fuel injector working properly?
System normal
Yes
(a) Turn on the ignition switch and try to start the engine.
(b) At the same time, check the fuel injectors harness connector
terminal 2 low-voltage periodic waveform with an
oscilloscope.
Does it produce a low-voltage periodic waveform?
Go to step 10
Yes
(a) Replace ECM. Refer to
Replacement.
Is fuel injector working properly?
P0563.
2.2.8.8 Engine Control Module
Engine