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Home >> Mazda >> 2005 >> B3000 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 343 (Security System And Locks System) >> Immobilizer System Reprogram Procedure >> Key Addition >> When the customer has two or more valid keys
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When the customer has two or more valid keys

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Valid Keys
G01931155Courtesy of MAZDA MOTORS CORP.
  1. Cut new transponder-equipped key(s).
  2. Using key 1, turn ignition switch to ON position.
    1. Observe illumination of security light in instrument cluster.
    2. After the security light turns off (after approx. 3 seconds from when ignition switch is turned to the ON position), turn key 1 to the LOCK position within approx. 4 seconds  and remove it from the steering lock.
  3. Repeat Step 2 with key 2.
  4. Repeat Step 2 with key 3.
  5. If there are 4-8 keys (new keys), repeat Step 2.
  6. Verify that the engine starts using the registered key.
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