Door Key Cylinder 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.

Disconnect the front door lock actuator connector.
Inspect for continuity between the door lock-link switch terminals using an ohmmeter.
- If not as specified, replace the front door lock actuator.
  
  Fig 1: Door Key Cylinder Switch Continuity Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Door Key Cylinder Switch Circuit Diagram And Connector Terminals
  Courtesy of MAZDA MOTORS CORP.