Geely EC718 2009 Workshop Manual page 157

Engine
Yes
Step 3 Check VVT solenoid valve resistance.
VVT Solenoid
Yes
Note
Connecting two wires directly is strictly prohibited in the testing process, as it might cause an explosion, fire and other
dangers.
Step 4 Check VVT solenoid valve operation.
VVT Solenoid
(b) Check engine oil level. The engine oil level should be within
the range.
(c) Check if engine oil needs to be replaced or contains additives
or engine oil viscosity is not correct.
All normal?
No
(a) Disconnect VVT solenoid valve wiring harness connector
EN10.
(b) Measure VVT solenoid valve resistance between the two
terminals.
Standard Resistance: 9.4-10.6 Ω (68 ºF) when 20°C
No
FE02-5005b
(a) Connect the battery positive terminal with the VVT solenoid
valve terminal No.1 and the negative terminal with the VVT
solenoid valve terminal No.2.
(b) Check the spool operation.
2 1
Spool activated?
No
FE02-5138b
Control System JL4G18-D
Replace the engine oil and oil filter, when
necessary, clean the engine lubrication
system.
Replace VVT solenoid valve. Refer to
2.2.8.4 VVT Solenoid Valve Replacement and
Filter Cleaning. Go to step 8
Replacement VVT solenoid valve. Refer to
2.2.8.4 VVT Solenoid Valve Replacement and
Filter Cleaning
EC718/EC718RV EC715/EC715RV 10/2009
2-75