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Home >> Mazda >> 2003 >> B4000 Base, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Control System (Vehicle Communication & Programming) >> Key Programming - Spare Key Programming Switch >> Disabling Unlimited Key Mode
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Disabling Unlimited Key Mode

  1. Using a diagnostic tool, select PCM from the menu. Follow SECURITY ACCESS to obtain security access. See SECURITY ACCESS-PROCEDURE  .
  2. Select: DISABLE UNLIMITED KEY MODE.
  3. Select: IGNITION KEY CODE ERASE.
  4. Disconnect the diagnostic tool and turn the ignition key to OFF.
  5. Program in two keys to enable the vehicle.
  6. Program any additional keys using either see KEY PROGRAMMING - PROGRAM A KEY USING TWO PROGRAMMED KEYS  or see KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT  .