Door Lock Switch Inspection

Disconnect the negative battery cable.
Remove the inner garnish. (See INNER GARNISH REMOVAL/INSTALLATION .)
Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
Remove the inner handle. (See INNER HANDLE REMOVAL/INSTALLATION .)
Inspect for continuity between the door lock switch terminals using an ohmmeter.

Fig 1: Inspecting Continuity Between Door Lock Switch Terminals Using Ohmmeter
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the door lock switch.
Fig 2: Door Lock Switch Terminal Continuity Reference Chart
Courtesy of MAZDA MOTORS CORP.
Apply battery voltage to hazard switch terminal B, and connect terminal A to ground.
Verify that the LED illuminates.