WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Additional keys can be programmed without having to erase the key codes already programmed.
If 8 keys have already been programmed, this procedure cannot be used to register a key. To register a key under this condition, it is necessary to first erase all the key codes. (See KEY REPLACEMENT )

Fig 1: Identifying Valid Or New Key
Courtesy of MAZDA MOTORS CORP.

Cut new transponder equipped key(s) if necessary.
Connect the SST (WDS or equivalent).
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 or equivalent: DTC B1601).
1. Perform security access approval. (See SECURITY ACCESS PROCEDURE .)
2. Select "Program additional ignition key".
3. Turn key 1 to the LOCK position and remove from the steering lock.
Using key 2, turn ignition switch to the ON position.
1. Select "Program additional ignition key".
2. Turn key 2 to the LOCK position and remove from the steering lock.
If there are 3-8 keys (new keys), repeat Step 4 .
Verify that the engine starts using the programmed key.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Key registration using SST (WDS or equivalent)

Use the Manual With the Right Hardware

When to See a Mechanic