Driver's Side

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.

Disconnect the negative battery cable. (Refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the door lock switch. (Refer to POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
Verify that the continuity is as indicated in the table.

Fig 1: Door Lock Switch Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Door Lock Switch - Circuit Diagram
Courtesy of MAZDA MOTORS CORP.
- If the continuity is not as indicated in the table, replace the door lock switch.