Check Switch
WARNING: This page is about a different car, the 2007 Subaru Outback and 2007 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Remove the wiper deicer switch, and measure the switch resistance.
Courtesy of SUBARU OF AMERICA, INC. RESISTANCE SPECIFICATION CHART
| Switch position |
Terminal No. |
Standard |
| OFF |
1 and 2 |
1 MΩ or more |
| ON |
Less than 1 Ω. |
Replace the wiper deicer switch if faulty.