Mazda MX-5 Miata Sport 2007 Manual page 178

2007 ACCESSORIES & BODY, CAB Security and Locks (Advanced Keyless System) - MX-5 Miata
4. Turn the ignition switch to the LOCK position.
5. Using key 1, turn the ignition switch to the ON position.
6. Verify that the security light illuminates for approx. 3 s, and then goes out.
7. Using key 1, turn the ignition switch to the LOCK position within approx. 4 s after the security light
goes out.
8. Remove key 1.
9. Repeat Steps 2-5 using key 2 instead of key 1.
10. Repeat Steps 5-8 using key 3 instead of key 1.
11. If additional keys need to be programmed, repeat Steps 1-10, and replace key 3 in Step 10 with the key to
be programmed (key 4).
NO. 2 KEY ADDITIONAL PROGRAMMING PROCEDURE (USING THE M-MDS)
Condition
There is only one valid key. Or, there is no valid key but there is a card key that can start the engine.
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NOTE:
A maximum of eight keys can be programmed for one vehicle. If key

registration is not successful and DTC 15 appears even though the
procedure was performed properly, use the PID/data monitor function of
the M-MDS and verify the number of keys that have been programmed.
If eight keys have already been programmed, and it is necessary to

program other keys, the previously programmed key ID numbers must
first be cleared. To clear the key ID number, refer to " NO.3 PCM
REPLACEMENT PROCEDURE".
Procedure
1. Prepare key 1 for programming.
2. Start the engine using a valid key or card key.
CAUTION:
3. Verify that the security light illuminates for approx. 3 s , and then goes out.
4. Turn the ignition switch to the LOCK position.
5. Connect the M-MDS to the DLC-2. (See M-MDS CONNECTING PROCEDURE.)
6. Using key 1, turn the ignition switch to the ON position.
NOTE:
2007 Mazda MX-5 Miata Sport
Do not place the card key in the vehicle when starting the

engine with the valid key, otherwise programming cannot be
performed. If the engine is started with the card key, remove the
card key from the vehicle after the engine is started.
Although the security light flashes and DTC 15 is displayed, this does
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