Engine Coolant Temperature Sensor - Geely EC718 2009 Workshop Manual

2-98 Control System JL4G18-D
3. Schematic:

Engine Coolant Temperature Sensor

4. Diagnostic Steps:
Warning!
Refer to "Cooling System Servicing 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
It is not recommended at any time to use flammable anti-freezer, such as alcohol. Combustible anti-freezer can cause
serious fires.
Initial Inspection
Step 1
Next
Measure engine coolant temperature sensor resistance.
Step 2
EC718/EC718RV EC715/EC715RV 10/2009
(a) Check the engine coolant temperature sensor whether there
is evidence of corrosion, as well as the engine coolant leaking
through the sensor.
(b) Check the cooling system whether the engine coolant level
is correct.
Engine
Engine
Control
Module
FE02-5029b