Driver Side

Switch the ignition to off.
Disconnect the negative battery cable.
Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION ).
Remove the front buckle. (See FRONT BUCKLE REMOVAL/INSTALLATION ).
Inspect for continuity between the buckle switch terminals using a tester.
- If not as indicated in the table, replace the driver side front buckle.
  
  Fig 1: Inspecting Continuity Between Buckle Switch Terminals Using Tester
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Power Seat And Without Power Seat Switch
  Courtesy of MAZDA MOTORS CORP.