Check The Intake Air Temperature Sensor Unit
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Measure the resistance between intake air temperature sensor terminals.
Courtesy of SUBARU OF AMERICA, INC. INTAKE AIR TEMPERATURE SENSOR TERMINALS REFERENCE CHART
| Temperature |
Terminal No. |
Standard |
| -20°C (-4°F) |
1 and 2 |
16.0±2.4 kΩ |
| 20°C (68°F) |
2.45±0.24 kΩ |
| 60°C (140°F) |
0.58±0.087 kΩ |