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Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security System And Locks System >> Immobilizer System Reprogram Procedure >> Both Immobilizer Unit and PCM Replacement >> When customer has brought two or more valid keys

When customer has brought two or more valid keys

NOTE:
  • Keys may be valid or new keys.
  • When an error occurs in Steps 1 to 4, repeat the procedure from Step  1 .
  • When an error occurs in Step 5, perform the "Reprogram error recovery procedure for both immobilizer unit and PCM replacement".
  • 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) if necessary.
  2. Replace immobilizer unit and PCM. (See IMMOBILIZER UNIT REMOVAL/INSTALLATION  .) (See POWERTRAIN CONTROL MODULE .)
  3. Using key 1, turn ignition switch to ON position. Observe security light illuminates and then goes out in instrument cluster.
    1. Turn key 1 to LOCK position. Observe security light blinks once repeatedly.
  4. Using key 2, turn ignition switch to ON position. Observe security light illuminates and then goes out.
    1. Turn key 2 to LOCK position. Observe security light blinks twice repeatedly.
  5. Using key 3, turn ignition switch to ON position. Observe security light illuminates and then goes out.
    1. Turn key 3 to LOCK position. Observe security light blinks three times repeatedly.
  6. If there are 4-8 keys (valid and/or new keys), repeat Step  4 .
  7. Wait for 30 seconds  to quit reprogram mode.
  8. After reprogramming, clear DTCs of PCM with WDS or equivalent.
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