Geely EC718 2009 Workshop Manual page 745

Engine
3. Schematic:
Engine Coolant Temperature Sensor
4. Diagnostic Steps:
Warning!
Refer to "Cooling System Service Warning" in "Warnings and Notices".
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.
Note
At any time do not use flammable antifreeze, such as alcohol. Combustible antifreeze can cause serious fires.
Step 1 Initial Inspection
Next
Measure engine coolant temperature sensor resistance.
Step 2
Control System JL4G15-D
(a) Check the engine coolant temperature sensor whether there
is evidence of corrosion, as well as the engine coolant is
leaking through the sensor.
(b) Check whether the engine coolant level is correct.
(a) Turn the ignition switch to "OFF" position.
EC718/EC718RV EC715/EC715RV 10/2009
2-663
Engine
Control
Module
FE02-5208b