Magnetic switch

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for continuity between terminals S and M using an ohmmeter.
- If there is no continuity, replace the magnetic switch.
  
  Fig 1: Inspecting Continuity Between Terminals S And M Using Ohmmeter
  Courtesy of MAZDA MOTORS CORP.
Inspect for continuity between terminal S and the body using an ohmmeter.
- If there is no continuity, replace the magnetic switch.
  
  Fig 2: Inspecting Continuity Between Terminal S And Body Using Ohmmeter
  Courtesy of MAZDA MOTORS CORP.
Verify that there is no continuity between terminals M and B using an ohmmeter.
- If there is continuity, replace the magnetic switch.
  
  Fig 3: Verifying There Is No Continuity Between Terminals M And B Using Ohmmeter
  Courtesy of MAZDA MOTORS CORP.