Key Replacement

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Perform this procedure to erase a previously registered key code and register a new key.
If a new key code is registered by following this procedure, the engine will not start using the previously registered keys. The keys need to be re-registered.

Fig 1: Identifying Valid Or New Keys For Replacement

Courtesy of MAZDA MOTORS CORP.

Cut new transponder equipped key(s) if necessary.
Connect the SST (WDS).
Using key 1, turn ignition switch to the ON position.
- Valid key: The security light illuminates, then turns off after approx. 3 seconds.
- New key: The security light flashes rapidly for approx. 1 minute and start displaying the DTC 15 (WDS: DTC B1601).
1. Perform security access approval. (See SECURITY ACCESS PROCEDURE .)
2. Select "Ignition Key Code Erase".
  NOTE:
  - Do not select any other command from this menu.
3. Turn key 1 to the LOCK position for more than 1 second.
4. Turn key 1 to the ON position for more than 3 seconds. (After approx. 1 minute security light: DTC 21 (WDS: DTC B1213) is output.)
5. Verify the security light is illuminated, then turn key 1 to the LOCK position.
6. Remove key 1 from the steering lock.
Using key 2, turn ignition switch to the ON position for more than 3 seconds. Observe that security light illuminates (for approx. 3 seconds).
1. Verify that the security light is not illuminated, then turn key 2 to the LOCK position and remove from the steering lock.
If there are 3-8 keys (valid and/or new keys), repeat Step 4.
Verify that the engine starts using the registered key.