Engine coolant temperature (ECT) sensor

Fig 1: Identifying Engine Coolant Level Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

NTC resistance.

Temperature (°C)	0	10	20	40	80	100
R (Ω)	5740	3700	2450	1150	318	184
V (Volts)	2.65	2.10	1.62	0.92	0.29	0.17