Buckle Switch Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.

Switch the ignition off.
Disconnect the negative battery cable and wait for 1 min or more. (Refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the front seat. (Refer to FRONT SEAT REMOVAL/INSTALLATION .)
Remove the front buckle. (Refer to Front Buckle Removal/Installation .)
Inspect for continuity between the buckle switch terminals using a tester.

Fig 1: Buckle Switch Circuit Diagram (1 Of 2)
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the front buckle. (Refer to Front Buckle Removal/Installation .)
Fig 2: Buckle Switch Terminal Continuity Chart (2 Of 2)
Courtesy of MAZDA MOTORS CORP.