Operation CHARM: Car repair manuals for everyone.

Coolant Temperature Sensor/Switch (For Computer)

Sensor Type Thermistor
Resistance 22.22-31.78 at -22
8.16-10.74 at 14
5.18-6.60 at 32
2.27-2.73 at 68
1.059-1.281 at 104
0.538-0.650 at 140
0.298-0.322 at 176
0.219-0.243 at 194
Measured Voltage
Engine coolant temperature sensor output voltage (ECT sensor side connector No.2 or ECM harness side connector No. 78)
4.05 at 0
3.44 at 20
2.72 at 40
1.25 at 80