Geely EC718 2009 Workshop Manual page 554

2-472 Cooling System JL4G18-D
Yes
Replace ECM.
Step 11
Next
Diagnostic completed.
Step 12
2.8.7.5 Cooling Fan Always Runs At Low Speed
Note
When the cooling fan always runs at low speed, it is recommended to carry out diagnostic when the engine is completely
cooled down.
Step 1 Verify the fault.
Next
Step 2 Check the engine coolant temperature sensor signal.
Yes
Step 3 Remove and check the cooling fan low speed relay. Does the cooling fan still run?
Yes
Check and repair the circuit between low-speed cooling fan relay and cooling fan wiring harness connector
Step 4
CA16.
EC718/EC718RV EC715/EC715RV 10/2009
(a) Turn the ignition switch to "OFF" position.
(b) Connect scan tool to the datalink connector.
(c) Turn off the A/C switch.
(d) Turn the ignition switch to "ON" position.
(e) Select in sequence: Engine / Data List / Engine Coolant
Temperature.
(f) Observe the temperature measured by the engine coolant
temperature sensor. When the engine is completely cooled
down, this temperature should be slightly higher than the
ambient temperature.
Confirm whether the measured temperature is normal.
Temperature sensor or circuit is faulty. Refer
No
to the2.2.7.19 DTC P0117 P0118
Go to step 5
No
Engine