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Thread: Nissan Micra Immobiliser Problem

  1. #1
    Join Date
    Dec 2008
    Posts
    2

    Default Nissan Micra Immobiliser Problem

    I have 2002 Nissan Micra Tempest 998cc.
    This morning the car would not open with the key remote. Car battery is fully charged and I have replaced the battery in the key "blip". The spare key also does not work. Engine turns over when key is turned in ignition but will not start becasuse of this problem. Any ideas how I can reset the immobiliser please?

  2. #2
    Join Date
    May 2008
    Posts
    8,202

    Default

    There are 2 functions here. One is the central locking and the other is the immobiliser. You can program the central locking system manually but the immobiliser needs to be coded with diagnostic equipment.

    To program the central locking:
    Have both keys ready.
    1. switch ignition ON and OFF 6 times within 10 secs. Do not remove key from ignition switch.
    2. after 2 secs indicators will flash twice.
    3. Programming mode activated for 2 mins.
    4. press and hold unlock button.
    5. press lock button 3 times.
    6. release unlock button.
    7. indicators will flash once to confirm correct programming.
    8. repeat for spare key.
    9. switch ignition ON, indicators will flash twice and programming mode is deactivated.
    Then try keys to see if successful.

    For the immobiliser you will need a 4 digit code (may be in the pack with manual) and a diagnostic scanner. Auto locksmiths, auto elects etc can do this.

  3. #3
    Join Date
    Dec 2008
    Posts
    2

    Default

    Thanks for the very useful reply. I am unable to follow the suggested route to get the central locking working as the ignition is not working, I guess because the immobilser is on and will not release with the either key "blip".
    Could there be a loose wire or something on the immobilser and where is it situated? All the fuses are OK.
    Thanks again for the suggestion.

  4. #4
    Join Date
    May 2008
    Posts
    8,202

    Default

    It could be that the 'read coil' has failed. It fits around the ignition barrel and reads the signal from the chip in the key. You will need diagnostic equipment to sort this if this is the fault.

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