Defroster Switch

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for continuity between the defroster switch terminals using a tester.
- If there is any malfunction, replace the defroster switch.
  
  Fig 1: Defroster Switch Terminal Connector Continuity
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Inspecting For Continuity Between Defroster Switch Terminals Using A Tester
  Courtesy of MAZDA MOTORS CORP.