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Coolant Temperature Sensor

Disconnect coolant temperature sensor connector. Using an ohmmeter, measure resistance between sensor terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE  table.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature Ohms
-4°F (-20°C) 10,000-20,000
32°F (0°C) 400-7000
68°F (20°C) 2000-3000
104°F (40°C) 900-1300
140°F (60°C) 400-700
176°F (80°C) 200-400