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Thread: Where is the alarm module?

  1. #1
    Join Date
    Apr 2010
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    Las Vegas, NV
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    940
    My Cars
    1994 850CSi, 2007 M5

    Where is the alarm module?

    Here is the problem:

    When activating the key fob the doors lock, but the lights don't flash, the alarm sound doesn't chirp, and the alarm indicator light on the center console does not light up/flash. I assume it is supposed to do all of the above. In addition, the majority of the time, I need to place the key fob within a few inches of the clown nose in order to activate the locks.

    I thought I would start with the alarm module, but after searching this forum, I can't determine where it is at. Any suggestions?

  2. #2
    Join Date
    Nov 2008
    Location
    Maryland
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    not enough
    Both alarm modules are on the passenger side along the floor board. Check out the link below...the IR system in that thread doesn't apply to you but as far as I know, the modules are there. There's an aux module that sits right next to the alarm module in the pix...the aux module controls things like the tilt sensor and glass shatter sensors.

    In my 91 I had some of the same symptoms as you (no alarm and LED light in the console was inop) and it turned out that I didn't have a fuse on the main DWA module.

    http://forums.bimmerforums.com/forum...rm+module+fuse
    CB42366 - 1991 850i 6-speed. Brilliantrot & Black Nappa Leather
    CD00144 - 1994 850CSi. Hellrot & Black Nappa Leather


    My other projects:
    Supercharged Tbirds, V8 Tbirds, V8 Mustang Convertible, Audi V8 Quattro & Audi S8

  3. #3
    Join Date
    Apr 2010
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    1994 850CSi, 2007 M5
    Great, I'll check it out. Thanks.

  4. #4
    Join Date
    Apr 2010
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    Las Vegas, NV
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    1994 850CSi, 2007 M5
    image-764181074.jpg

    Okay, got to the alarm module and everything looks intact including the fuse. I replaced the fuse anyway, but no change in the system (no beep, no flashing of lights, no indicator on console.

    I'm assuming the module itself is bad. Any suggestions?
    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  5. #5
    Join Date
    Apr 2010
    Location
    Las Vegas, NV
    Posts
    940
    My Cars
    1994 850CSi, 2007 M5
    image-1867382223.jpg

    I do have this connector that doesn't have a home, but I don't see any place that it would attach.
    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  6. #6
    Join Date
    Nov 2008
    Location
    Maryland
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    not enough
    I'm afraid the sure way to know what is going on is to get the car plugged into a computer to find out the fault codes for the DWA system. That is unless you can borrow another module to test before purchasing one.
    CB42366 - 1991 850i 6-speed. Brilliantrot & Black Nappa Leather
    CD00144 - 1994 850CSi. Hellrot & Black Nappa Leather


    My other projects:
    Supercharged Tbirds, V8 Tbirds, V8 Mustang Convertible, Audi V8 Quattro & Audi S8

  7. #7
    Join Date
    Nov 2008
    Location
    Maryland
    Posts
    3,193
    My Cars
    not enough
    were you able to find the problems?
    CB42366 - 1991 850i 6-speed. Brilliantrot & Black Nappa Leather
    CD00144 - 1994 850CSi. Hellrot & Black Nappa Leather


    My other projects:
    Supercharged Tbirds, V8 Tbirds, V8 Mustang Convertible, Audi V8 Quattro & Audi S8

  8. #8
    Join Date
    Oct 2007
    Location
    Henderson, NV
    Posts
    4,103
    My Cars
    145 cylinders of power
    Quote Originally Posted by CaifanSC View Post
    I'm afraid the sure way to know what is going on is to get the car plugged into a computer to find out the fault codes for the DWA system. That is unless you can borrow another module to test before purchasing one.
    That's what I was thinking Brian, I've got an Icebox Diagnostic computer here at your disposal if you would like to use it.
    Random Sig below (refresh to see new image)


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