Geely EC718 2009 Workshop Manual page 779

Engine
4. Diagnostic Steps:
Note
Before carrying out this diagnosis step, observe the data list on scan tool and analyze the accuracy of the data, as
these will help with quick diagnosis.
Initial Inspection
Step 1
Next
Measure the fuel injector resistance.
Step 2
Cylinder No.1 Fuel Injector
2
Yes
Measure fuel injector working power supply.
Step 3
Cylinder No.1 Fuel Injector Harness
Connector EO11
2
Yes
Check the fuel injector control circuit.
Step 4
1
FE02-5052b
1
FE02-5252b
Control System JL4G15-D
(a) Check for fuel injector wiring harness connector damage,
poor connection, aging and signs of loosening.
(a) Disconnect the fuel injector wiring harness connector EO11.
(b) Measure resistance between the two fuel injector terminals.
Standard Resistance: 11.6-12.4 Ω at 20°C(68 ºF)
(c) Connect the fuel injector wiring harness connector EO11.
Replace fuel injector. Refer to
No
Injector
(a) Turn the ignition switch to "OFF" position.
(b) Disconnect cylinder No.1 fuel injector wiring harness
connector EO11.
(c) Turn the ignition switch to "ON" position.
(d) Measure voltage between cylinder No.1 fuel injector wiring
harness connector EO11 terminal No.2 and a reliable ground.
Standard Voltage: 11-14 V
(e) Connect cylinder No.1 fuel injector wiring harness connector
EO11.
Voltage normal?
Go to step 5
No
EC718/EC718RV EC715/EC715RV 10/2009
2.2.8.2 Fuel
Replacement.
2-697