When the customer has two or more valid keys

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

Fig 1: Identifying Various Keys (3 Of 6)

Courtesy of MAZDA MOTORS CORP.

NOTE:

If no specific time interval is given, each step should be performed within 30 seconds of the previous step.

Cut new transponder-equipped key(s) if necessary.
Replace the PCM.
Insert key 1 into the steering lock and turn the key to the ON position.
1. Verify that the security light illuminates.
2. After verifying that the security light goes off, turn the key to the LOCK position.
Remove and insert key 1 five times at no more than 1-second intervals.
1. After the final key insertion, verify that the security light illuminates.
2. Remove the key from the steering lock and verify that the security light goes off.
Insert key 2 into the steering lock and turn the key to the ON position.
1. Verify that the security light illuminates for 1-2 seconds.
2. After verifying that the security light goes off, turn the key to the LOCK position and remove from the steering lock.
Repeat Step 5 with key 1.
Insert key 3 into the steering lock and turn the key to the ON position.
1. Verify that the security light illuminates for 1-2 seconds.
2. After verifying that the security light goes off, turn the key to the LOCK position.
If there are 4-8 keys (valid and/or new keys), repeat Step 7 with each key.
Wait for 30 seconds.