FixVault

Coolant Temperature Sensor

Disconnect coolant temperature sensor connector. Measure resistance across sensor terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE TEST table. Replace sensor if it is not within specifications.

COOLANT TEMPERATURE SENSOR RESISTANCE TEST (1)

Temperature - °F (°C) Ohms
68 (20) 2100-2900
122 (50) 680-1000
176 (80) 300-330
(1) Measure resistance across sensor terminals.