Mazda CX-9 Grand Touring. Manual - part 508

or more) prepared before the
procedure do not have to be
new ones and there is no
problem with using the keys
that were used to start the
engine before the procedure.

Replacing several parts (PCM, keyless
control module, and steering lock unit)
at the same time.
(See NO.8 THE PROCEDURE FOR
WHEN SEVERAL PARTS (PCM,
KEYLESS CONTROL MODULE,
AND STEERING LOCK UNIT) are
Replaced at The Same Time.)



Parts to be
replaced



Programming
card key



Programming
keys (Two or
more)



M-MDS



Refer to No. 4, No. 6, and
No. 7 above and prepare the
required items according to
the parts to be replaced.

Replacing the coil antenna.



New coil antenna



Immobilizer system resetting
is not necessary.

CAUTION:



The following conditions may cause poor signal communication
between the key and vehicle, resulting in the engine not starting or a
key registration error. Do not perform any work under the following
conditions:



Placing the following items close to the key grip or contacting it.



Spare keys



Keys for other vehicles equipped with an immobilizer
system



Any metallic object



Any electronic device, or any credit or other card with
magnetic strips



Do not place the following devices in the vehicle while programming,
otherwise programming cannot be performed:



Card key



M-MDS



Personal computer



Devices that can send/receive the radio waves

NOTE:



The "valid key" used in this manual indicates the key that can start the
engine.



If the key adding, programming, clearing, and immobilizer system
construction parts replacement are performed, verify that the all keys can
start the engine within 5 s after the procedure.



When verifying that the engine starts, wait at least 5 s or more before

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES Security and Locks - Mazda CX-9

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M-MDS CONNECTING PROCEDURE

1. Fully lower the door glass.

2. Connect the M-MDS to the DLC-2.

3. Pull out the M-MDS cable from the door glass opening and set the M-MDS outside the vehicle.

NO.1 ADDITIONAL KEY PROGRAMMING PROCEDURE (USING TWO VALID KEYS)

starting the engine using the next key.



If the engine cannot be started using a programmed key, repeat the
procedure from the beginning.



Do not start the engine unless indicated in the procedure. If the engine is
started during the programming procedure, programming is stopped at
that point. Repeat the procedure starting from the beginning if the engine
is started before completion.



Do not place the card key in the vehicle or bring it within approx. 1 m of
the vehicle unless indicated in the procedure.



Two or more key ID numbers must be programmed for the engine to start.



A maximum of eight key ID numbers can be programmed for one vehicle.
The M-MDS can be used to verify the number of key ID numbers
programmed to a single vehicle.



Do not select a M-MDS screen menu other than one indicated in the
procedure.

CAUTION:



Do not place the M-MDS in the vehicle while programming, otherwise
programming cannot be performed.

CAUTION:



Protect the cable and body contact area with a clean rag,
otherwise they could be damaged.

Fig. 85: Identifying DLC-2 Location
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES Security and Locks - Mazda CX-9

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Page 60

Condition



Have two or more valid keys.

Procedure

Fig. 86: Additional Key Programming Procedure
Courtesy of MAZDA MOTORS CORP.

1. Prepare key 3 for programming.

2. Start the engine using key 1.

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. 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 5-8 using key 2 instead of key 1.

NOTE:



A maximum of eight keys can be programmed for one vehicle. If key
programming 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, refer to " CLEARING CARD
KEY [ADVANCED KEYLESS SYSTEM]".

2008 Mazda CX-9 Grand Touring

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10. Repeat Steps 5-8 using key 3 instead of key 1.

11. If an additional key is to be programmed, repeat Steps 2-10 with the additional key as key 4.

12. Verify that the all keys can start the engine for 5 s or more after the procedure.

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.

Procedure (If one key is to be programmed)

Fig. 87: Key Additional Programming Procedure (If One Key Is To Be Programmed)
Courtesy of MAZDA MOTORS CORP.

1. Prepare key 2 for programming.

2. Start the engine using a valid key 1 or card key 1.

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 "
CLEARING CARD KEY [ADVANCED KEYLESS SYSTEM]".

CAUTION:



Do not place the card key in the vehicle when starting the
engine with the valid key, otherwise programming cannot be

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2008 BODY & ACCESSORIES Security and Locks - Mazda CX-9

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