Coolant Temperature Sending Unit
Disconnect coolant temperature sending unit harness connector. Measure resistance between ground and coolant temperature sending unit terminal at indicated temperatures. See COOLANT TEMPERATURE SENDING UNIT TEST table. If resistance is not as specified, replace coolant temperature sending unit.
COOLANT TEMPERATURE SENDING UNIT TEST
| Temperature °F (°C) | Ohms |
|---|---|
| 140 (60) | About 170-210 |
| 212 (100) | About 47-53 |