Door Key Cylinder Switch Inspection

Raise the door glass completely.
Disconnect the negative battery cable.
Remove door trim.
Remove the door screen.
Disconnect the door key cylinder switch connector.
Inspect for continuity between the door key cylinder switch terminals using an ohmmeter.
- If not as specified, replace the door key cylinder switch.
  
  Fig 1: Inspecting For Continuity Between Door Key Cylinder Switch Terminals (1 Of 2)
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Inspecting For Continuity Between Door Key Cylinder Switch Terminals (2 Of 2)
  Courtesy of MAZDA MOTORS CORP.