Transmitter Id Code Change

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When programming the ID code into a keyless control module, verify that other transmitters are not being operated in the vicinity.
After ID code programming, remove the key from the steering lock and verify that all doors lock/unlock normally using the transmitter.

Fig 1: Transmitter ID Code Change Procedure Flowchart
Courtesy of MAZDA MOTORS CORP.