Windshield Washer Level Switch Inspection
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
Reference: WINDSHIELD WASHER LEVEL SWITCH REMOVAL AND INSPECTION
Use an ohmmeter to check switch continuity. If found defective, replace switch.
Windshield washer level switch specifications
OFF position (float up): No continuity
ON position (float down): Continuity