Rear Oxygen Sensor: Inspection
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.
- Check that the rear oxygen sensor has no deformation, cracks or other damages.
- Measure the resistance between rear oxygen sensor terminals.
Courtesy of SUBARU OF AMERICA, INC. TERMINAL RESISTANCE REFERENCE CHART
| Terminal No. |
Standard |
| 1 and 2 |
Approx. 5.6 Ω (when 20°C (68°F)) |