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Imobilizer question

Discussion in 'ECU's, Electronics, and Tuning' started by smooth_criminal, Mar 9, 2004.

  1. smooth_criminal

    smooth_criminal Senior Member

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    I'm about to swap a 99Ls motor into my 96 civic. Am i going to run into any Imobilizer problems?
     
  2. radnulb

    radnulb Senior Member

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    I don't think the 99 LS had an immobilizer.
    It is kind of a moot point, however. Your motor/ECU is OBD2B (99-01). You car is OBD2A (96-98). You can save yourself a considerable amount of pain and suffering by buying a 96-98 integra LS ECU and either buying a 96-98 integra engine wire harness or using your stock harness with any applicable connectors changed. No 96-98 cars except the ITR had immobilizers, so with a 96-98 ECU you will definately be in the clear, AND you won't need a conversion harness.
    Should be an easy swap. Good luck.
     
  3. katman

    katman Member

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    eh, your a little off with your info...

    1a) OBD2a for integra's range from 96-99. So, he can fully plug-in & use the 99 LS ecu in his 96 civic if he desires -- and there is NO IMMobilizer for any 96-99 integra ecu's at all. IMMobilizer's spawned for US integra ecu's from 00-01.

    1b) JDM ECU's do not have an IMM. Only & all US 99-01 integra have an IMM (civic do not & never had IMM)

    2) HE CANNOT USE AN OBD2 INTEGRA WIRE HARNESS IN HIS 96 CIVIC. all EK civic's use a 1-piece style engine harness, whereas all 92-01 integra's use a 2-piece engine harness (break off point is at the passenger side shock tower).

    He has 2 choices for wiring:
    [a] Reuse his existing civic harness & perform a couple fixes to it (IACV mainly)
    or
    He can try & find a 96-98 EX coupe engine harness, which will be straight plug n' play, no wiring needed at all - plus he'll have VTEC wiring dormant, so whenver he wants to switch to a VTEC engine (or head) the wiring is already there.


    cheerio!
     
  4. radnulb

    radnulb Senior Member

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    thanks katman, I know we keep you around for somethin :)
     
  5. smooth_criminal

    smooth_criminal Senior Member

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    Katman,
    I was hoping to just reuse my LX harness. What wires will i need to ADD/Change for this to work?
     
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