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Hyundai Equus: Engine Coolant Temperature Sensor (ECTS) Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2022 Service ManualHyundai Equus: Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 1 and 2.
4.
Check that the resistance is within the specification.

Specification: Refer to Specification

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the engine coolant temperature sensor connector (A), and then remove the engine coolant temperature sensor (B).

3.
Supplement the engine coolant (Refer to Cooling System in EM group).
Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
   
Apply the engine coolant to the O-ring.
   
Insert the sensor in the installation hole and be careful not to damage.
1.
Install in the reverse order of removal.

Engine Coolant Temperature Sensor installation :
19.6 ~ 2.0 N.m (3.0 ~ 4.0 kgf.m, 14.5 ~ 28.9 lb-ft)

    Engine Coolant Temperature Sensor (ECTS) Schematic Diagrams
    Circuit Diagram ...

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