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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.] >> Both Immobilizer Unit and PCM Replacement >> 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.
NOTE:
  1. Cut new transponder equipped key(s) if necessary.
  2. Replace immobilizer unit and PCM.
  3. Using key 1, turn ignition switch to ON position. Verify that security light illuminates and then goes out.
    1. Turn key 1 to LOCK position. Verify that security light blinks once repeatedly.
  4. Using key 2, turn ignition switch to ON position. Verify that security light illuminates and then goes out.
    1. Turn key 2 to LOCK position. Verify that security light blinks twice repeatedly.
  5. Using key 3, turn ignition switch to ON position. Verify that security light illuminates and then goes out.
    1. Turn key 3 to LOCK position. Verify that security light blinks three times repeatedly.
  6. If there arec4-8 keys (valid and/or new keys), repeat Step  4.
  7. Wait for 30 seconds  to quit reprogram mode.