FixVault

Check Switch

WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 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.

Fig 1: Measuring Switch Resistance
G05022666
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.