Resistance Test
Unplug sensor connector. Sensor is located at top of engine, on left side. Measure resistance between sensor terminals. Resistance should be as specified. See INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE table. If resistance is not within specification, replace sensor.
INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE
| Temperature - °F (°C) | Ohms |
|---|---|
| -4 (-20) | 15,000-18,000 |
| 68 (20) | 1000-4000 |
| 176 (80) | 200-400 |