FixVault

Power Window Control Switch: Inspection: Sub-Switch

WARNING: This page is about a different car, the 2003 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Measure the switch resistance.

Front passenger's door switch and rear door switch: 

Fig 1: Front Passenger's Door & Rear Door Switch Resistance Chart
G02089492Courtesy of SUBARU OF AMERICA, INC.

If NG, replace the sub-switch.