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Home >> Mazda >> 2003 >> MX-5 Miata LS, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security System And Locks System >> Immobilizer Unit Removal/Installation

Immobilizer Unit Removal/Installation

  1. Disconnect the negative battery cable.
  2. Remove in the order indicated in the figure.
    Fig 1: Immobilizer Unit Removal Sequence
    G01908125Courtesy of MAZDA MOTORS CORP.
  3. Install in the reverse order of removal.
    CAUTION:
    • After replacing the immobilizer unit with a new one, the engine cannot be started without reprogramming the ID number of the keys and the code word of the new immobilizer unit. Input the ID number and code word. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE  .)