Intake Air Temperature (IAT) Sensor
Unplug IAT sensor 2-wire connector, located on throttle body. Measure resistance between sensor terminals at specified temperatures. See INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE . Replace IAT sensor if resistance is not as specified.
INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE
| Temperature - °F (°C) | Ohms |
|---|---|
| -4 (-20) | 15,000-18,000 |
| 68 (20) | 2000-4000 |
| 176 (80) | 300-400 |