Buckle Switch Inspection

Disconnect the negative battery cable.
Disconnect the buckle switch connector.
Inspect for continuity between the seat belt switch terminals using an ohmmeter.
- If not as specified, replace the buckle.
Fig 1: Seat Belt Buckle Switch Continuity Table
Courtesy of MAZDA MOTORS CORP.

Fig 2: Locating Seat Belt Switch Connector
Courtesy of MAZDA MOTORS CORP.