(Deployment tool) to deploy a live (undeployed) air bag module or pre-tensioner seat belt before disposing of it.
(Deployment tool), inspect its operation.

Inspection Procedure
Follow the steps below to verify that the SST
(Deployment tool) is operating correctly.
(Deployment tool) because it may cause the air bag module or pre-tensioner seat belt to unexpectedly deploy upon connection to the air bag module or pre-tensioner seat belt.


Air bag module and pre-tensioner seat belt disposal proceduresMazda 6 Service Manual: Locking, Unlocking the Doors
NOTE
The system may not operate if you are too close to the windows or door
handles.
If the key is left in the following areas and you leave the vehicle,
the doors may be locked depending on the radio wave conditions even if the key
is left in the vehicle.
Around the dashboard
...
Mazda 6 Service Manual: Rear door lock actuator inspection
Door Lock Actuator
1. Disconnect the front door lock actuator connector.
2. Apply battery positive voltage to the front door lock actuator terminals
and inspect the operation of the front door lock actuator.
If not as specified, replace the front door lock actuator.
With double locking ...