Geely EC718 2009 Workshop Manual page 724

2-642 Control System JL4G15-D
Yes
Step 3 Check VVT solenoid valve resistance.
VVT Solenoid
Yes
Check the VVT solenoid valve actuator.
Step 4
VVT Solenoid
Yes
Check VVT solenoid valve filter.
Step 5
EC718/EC718RV EC715/EC715RV 10/2009
(c) Check whether the oil is changed in a timely manner and
whether the engine oil contains additives or viscosity is
incorrect.
No
(a) Disconnect VVT solenoid valve wiring harness connector
EN10.
(b) Measure resistance between the two VVT solenoid valve
terminals.
Standard Resistance: 10.5 Ω (68 ºF) at 20°C
No
FE02-5005b
Note: In the testing process, it is strictly prohibited Connect two
wires directly together, otherwise it might cause an explosion, fire
or other dangers.
(a) Connect the battery positive terminal to VVT solenoid valve
2 1
terminal No.1 and the negative terminal to the VVT solenoid
valve terminal No.2.
(b) Check the filter movement.
Does the filter move?
No
FE02-5138b
Replace engine oil and oil filter. When
necessary, clean the engine lubrication
system.
Replace the VVT solenoid valve. Refer to
2.2.8.4 VVT Solenoid Valve Replacement and
Filter Cleaning.
Replace the VVT solenoid valve. Refer to
2.2.8.4 VVT Solenoid Valve Replacement and
Filter Cleaning.
Engine