Coolant Temperature Sending Unit
Unplug sending unit harness connector. Using an ohmmeter, connect probes to sending unit terminal and to ground on engine. Resistance readings should be as specified. See COOLANT TEMPERATURE SENDING UNIT RESISTANCE .
COOLANT TEMPERATURE SENDING UNIT RESISTANCE
| Temperature - °F (°C) | Ohms |
|---|---|
| 112 (50) | 230 |
| 140 (60) | 155 |
| 158 (70) | 90-118 |
| 239 (115) | 21-27 |
| 248 (120) | 21 |
| 252 (122) | 19.5 |