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Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Security System And Locks System) >> Immobilizer System Reprogram Procedure [CALIFORNIA Emission Regulation Applicable Models.] >> Key Replacement or 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 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Various Keys (1 Of 2)
G03701249Courtesy of MAZDA MOTORS CORP.
NOTE:
  • If no specific time interval is given, each step should be performed within 30 seconds of the previous step.
  1. Cut new transponder-equipped key(s).
  2. Insert key 1 into the steering lock and hold for 1 second or more. 
  3. Remove and insert key 1 five times  at no more than 1-second intervals. 
    1. After the final key insertion, verify that the security light illuminates.
    2. Remove the key from the steering lock and verify that the security light goes off.
  4. Insert key 2 into the steering lock and turn the key to the ON position.
    1. Verify that the security light illuminates for 1-2 seconds. 
    2. After verifying that the security light goes off, turn the key to the LOCK position and remove from the steering lock.
  5. Insert key 3 into the steering lock and turn the key to the ON position.
    1. Verify that the security light illuminates for 1-2 seconds. 
    2. After verifying that the security light goes off, turn the key to the LOCK position.
  6. If there are 4-8 keys (valid and/or new keys), repeat Step  5 with each key.
  7. Wait for 30 seconds.