Magnetic switch

WARNING: This page is about a different car, the 2009 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 a tester.
- If there is no continuity, replace the magnetic switch.
  
  Fig 1: Inspecting Continuity Between Terminals S And M Using Tester
  Courtesy of MAZDA MOTORS CORP.
Inspect for continuity between terminal S and the body using a tester.
- If there is no continuity, replace the magnetic switch.
  
  Fig 2: Inspecting Continuity Between Terminal S And Body Using Tester
  Courtesy of MAZDA MOTORS CORP.
Verify that there is no continuity between terminals M and B using a tester.
- If there is continuity, replace the magnetic switch.
  
  Fig 3: Checking Continuity Between Terminals M And B Using Tester
  Courtesy of MAZDA MOTORS CORP.