Step 1 - Inspect Front Wiper And Washer Switch Continuity

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Front Wiper & Washer Switch Positions & Locating Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Wiper And Washer Switch Specifications (W/Mist)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Wiper And Washer Switch Specifications (W/Intermittent)

If continuity is not as specified, replace the switch.