Engine (Coolant) Temperature Sensor
Disconnect DME control unit connector. Connect DVOM between terminal No. 30 (ground) and terminal No. 45 (engine temperature sensor). See Figure . See ENGINE (COOLANT) TEMPERATURE SENSOR RESISTANCE . If readings are incorrect, check resistances directly on sensor.
ENGINE (COOLANT) TEMP SENSOR RESISTANCE
| Temperature °F (°C) | Ohms |
|---|---|
| 32 (0) | 4400-6800 |
| 59-86 (15-30) | 1400-3600 |
| 104 (40) | 1000-1300 |
| 176 (80) | 250-390 |
| 212 (100) | 160-210 |