Engine Coolant Temperature (ECT) Sensor Inspection
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
Warm up sender gauge (2). Thus make sure its resistance is decreased with increase of its temperature.
ECT sender gauge specifications
136 - 216 Ω at 50°C (122°F)
16.4 - 19.4 Ω at 120°C (248°F)
Courtesy of SUZUKI OF AMERICA CORP.