Fan Switch Inspection

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Remove the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION .)
Check for continuity between the fan switch terminals using an ohmmeter.
- If not as specified, replace the fan switch.
  
  Fig 1: Fan Switch Continuity Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Fan Switch Circuit & Connector View
  Courtesy of MAZDA MOTORS CORP.