Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA20066 S, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSECURITY SYSTEM AND LOCKS SYSTEMIMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM]NO. 4 KEY ADDITIONAL PROGRAMMING PROCEDURE CHANGINGPROCEDURE

2006 Mazda 6 s, 4D Sedan, Standard

No. 4 Key Additional Programming Procedure Changing: Procedure

2006 Mazda 6 s, 4D Sedan, StandardSECTION Procedure

Using the key, turn the ignition switch to the ON position. (The key can be either the valid key or an unprogrammed key)
NOTE:
- Although the security light flashes and DTC 15 is displayed when an unprogrammed key is used, this does not indicate an improper procedure. Continue to perform the procedure as indicated.
Connect the WDS or equivalent to the DLC-2.
Select "BODY/SECURITY/PATS (immobilizer) function" from the WDS or equivalent screen menu.

Select "Customer spare key programming enable" or "Customer spare key programming disable" from the WDS or equivalent screen menu. The key additional programming procedure is as follows according to the selected menu:

DIAGNOSTIC PROCEDURE

Setting	Additional key programming procedure
Setting	Method using two valid keys	Method using the WDS or equivalent
Customer spare key programming enable	-	-
Customer spare key programming disable	x	-
- : Available x : Unavailable

Perform the security access according to the directions on the WDS or equivalent screen. (See SECURITY ACCESS PROCEDURE ).
After verifying that the PATS function menu is displayed again on the WDS or equivalent screen, select "Finish (this menu)" to finish the WDS or equivalent procedure.
After Step 6, wait 5 s or more and then turn the ignition switch to the LOCK position.

RENDER: 1.0x

NO RELATED

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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.