Rear Door Latch And Lock Actuator Inspection (Us)

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the rear door latch and lock actuator. (See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)

Apply battery positive voltage and connect the ground to the rear door lock and actuator terminals as indicated in the table below and verify the operation condition.

Courtesy of MAZDA MOTORS CORP.

Rear door lock actuator	B+ terminal	Ground terminal	Operation
Driver's side	G	E	Unlock
Driver's side	E	G	Lock
Passenger's side	E	C	Unlock
Passenger's side	C	E	Lock

If not as indicated in the table, replace the rear door latch and lock actuator. (See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)

Verify that the continuity is as indicated in the table.

Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the rear door latch and lock actuator. (See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
NOTE:
- When inspecting the latch side of the rear door latch switch, press in the latch lever using a flathead screwdriver and set it to the latched position.
Courtesy of MAZDA MOTORS CORP.
When the door lock-link switch cable is pulled or pressed in, verify that the continuity is as indicated in the table.

Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the rear door latch and lock actuator. (See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)