Passenger's Side

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the power window subswitch cover. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)
Remove the door lock switch. (See DOOR LOCK SWITCH REMOVAL/INSTALLATION .)
Verify that the continuity is as indicated in the chart.

Fig 1: Door Lock Switch Terminal Continuity Chart (Passenger Side)

Courtesy of MAZDA MOTORS CORP.

If not as indicated in the chart, replace the door lock switch.