Question about 2004 Infiniti I35

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Location of electronic engine module on 2002 I35 Infinity

Looking for electronic engine module to get model number. 2002 Infinity I35

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  • accentartist May 19, 2009

    I do not find a dropable panel in the pasenger side of the car. There is only the large black vent box, there is however a metal box under the dash in front of the center console (5" square) it has a large plug (1" x 4" approx) with about 50 or more prongs that go into color coded inserts in the one pice plug. could thsi be it? I am not passing smog and they said it was my electronic engine module, could it e the ecu? I'll cvhange both if needed.

  • accentartist May 19, 2009

    Answers were quick and helpful

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You will find the ECM on the front left side of the engine, infront of the alternator. The ignition coil sits on top of it. Can't miss it all the spark plug wires run to it and its labeled 1-4,2-5,3-6. It shoule be like 6 bolts to get the coils off and it is right under there.  -------------------------- also check Inside the dash on the passenger side. Just above where most cars have a glove box. ------------------------- It is just below the glove box.There is a panel with just two small screws that cover the area from bottom of glove box door and goes to back of fire wall.(if sitting in passanger seat your your feet would kick this pannel if you just lifted them. Anyway the panel is black,remove the two screws and drop panel down and just leave it inplace, The ECU comes out real easy (no mounting screws) there are three large plugs(color coded) blu,red,white. There are plastic locking tabs on each plug, just pinch the front and back the tabs and pull down on each. The only thing that holds the ECM in is two white plastic tabs one on each side of the Ecm. Pull toward you while pushing out on tabs and the ECM just pull down and out. But before removing ECM make sure to disconnect battery or pull the large 20 fuse for the ECM.
-------- for warranty manual of the vehicle click this link http://www.caaquebec.com/DocumentLibrary/UploadedContents/RoadTestAttachment/2002InfI35_0.pdf

thanks.keep updated.please do rate.

Posted on May 18, 2009

  • moniter May 19, 2009

    yes you can change both.as this will rule out the any possible problem.i will advice you to change both.


    thanks.please do not forget to accept the solution.keep updated.

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