Grand Vitara 2WD V6-2.7L (2006)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Engine Coolant Temperature (ECT) Sensor Inspection
Reference: Engine Coolant Temperature (ECT) Sensor Removal and Installation
Immerse temperature sensing part of ECT sensor in water and measure resistance between sensor terminals while heating water gradually. If measured
resistance doesn't show characteristics as shown in the figure, replace ECT sensor.