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Coolant Temperature Sensor (XJS)

Disconnect negative battery cable. Disconnect coolant temperature sensor connector. Sensor is located in coolant housing on right side of engine. Using an ohmmeter, check resistance across sensor terminals. At the given temperature, resistance should be as specified. See COOLANT TEMPERATURE SENSOR RESISTANCE (XJS)  table. Replace sensor if not as specified.

COOLANT TEMPERATURE SENSOR RESISTANCE (XJS)

Temperature°F (°C) Ohms
32 (0) 5900
50 (10) 5900
68 (20) 2500
86 (30) 1700
104 (40) 1180
122 (50) 840
140 (60) 600
158 (70) 435
176 (80) 325
194 (90) 250
212 (100) 190