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HOMESERVICE MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSSECURITY SYSTEM AND LOCKS SYSTEMIMMOBILIZER SYSTEM REPROGRAM PROCEDURE [WITH KEYLESS ENTRY SYSTEM]KEY REPLACEMENT
2006 Mazda 6 i, 4D Sedan, Automatic

Key Replacement

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Key Replacement
NOTE:
  • Perform this procedure to erase a previously programmed key code and register a new key.
  • If a new key code is programmed by following this procedure, the engine will not start using the previously programmed keys. The keys need to be re-programmed.
    Fig 1: Replacement Key
    G04327384Courtesy of MAZDA MOTORS CORP.
  1. Cut new transponder equipped key(s) if necessary.
  2. Connect the SST  (WDS or equivalent).
  3. 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 "Ignition Key Code Erase".
      NOTE:
      • Do not select any other command from this menu.
    3. Turn key 1 to the LOCK position for more than 1 second. 
    4. Turn key 1 to the ON position for more than 3 seconds. 
      NOTE:
      • Security light will remain illuminated as long as key is in the ON position.
    5. Remove key 1 from the steering lock.
      NOTE:
      • After approx. 1 minute  security light: DTC 21 (WDS or equivalent: DTC B1213) is output
  4. Using key 2, turn ignition switch to the ON position for more than 3 seconds.  Observe that security light illuminates (for approx. 3 seconds). 
    1. Verify that the security light is not illuminated, then turn key 2 to the LOCK position and remove from the steering lock.
  5. If there are 3-8 keys (valid and/or new keys), repeat Step  4.
  6. Verify that the engine starts using the programmed key.
RENDER: 1.0x

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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.