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: Terminal Continuity Table
Courtesy of MAZDA MOTORS CORP.

Fig 2: Inspecting Continuity Between Seat Belt Switch Terminals
Courtesy of MAZDA MOTORS CORP.