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 . 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 |