2000 E36 3G EWS mk2 alarm problem. - Page 3

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Thread: 2000 E36 3G EWS mk2 alarm problem.

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    #21
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    paulrobo's Car Details
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    Quote Originally Posted by billywhizz1984 View Post
    I've known a similar symptom on arm rather than disarm and it was the fob battery. Illogical I know but it seemed it just wasn't getting the right signal. Worth a try!
    Okay thanks.
     
     

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    #22
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    Quote Originally Posted by billywhizz1984 View Post
    I've known a similar symptom on arm rather than disarm and it was the fob battery. Illogical I know but it seemed it just wasn't getting the right signal. Worth a try!
    Tried a new battery, no change.
    Would it be worth getting a used module, reprogramming the fob, and trying that.
     
     

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    #23
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    When you disarm, put the key in the ignition an turn to position 2 (ignition light on) - what happens to the Alarm & LED?
    Last edited by billywhizz1984; 19-01-2011 at 23:49.
     
     

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    #24
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    Quote Originally Posted by billywhizz1984 View Post
    When you disarm, put the key in the ignition an turn to position 2 (ignition light on) - what happens to the Alarm & LED?
    At the moment when i disarm what happens is everything seems okay (led out, no siren) but 30 seconds later the led comes on and the alarm is armed again.
    To answer your question, if i disarm and put the key in the ignition, position 2, then the alarm does not re-arm and the led does not come on. If i have to do work to the car, this is what i do. Its the only way the car will enter a state of being permanently disarmed, leave the key in the ignition.
     
     

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    #25
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    It shouldn't auto rearm if a door has been opened after disarming.
     
     

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    #26
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    Quote Originally Posted by joylove View Post
    It shouldn't auto rearm if a door has been opened after disarming.
    You dont need to do anything for it to auto rearm, it just does it after 30 seconds.
     
     

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    #27
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    The later 3G units have a second live and earth that usually runs to behind the heater box to under the steering wheel. If one live isn't working the unit thinks it is under attack. Check the wiring from the module and make sure all the wires are still connected. Also, you did check all of the fuses didn't you?
     
     

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    #28
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    Quote Originally Posted by billywhizz1984 View Post
    The later 3G units have a second live and earth that usually runs to behind the heater box to under the steering wheel. If one live isn't working the unit thinks it is under attack. Check the wiring from the module and make sure all the wires are still connected. Also, you did check all of the fuses didn't you?
    Fuses all okay.
     
     

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    #29
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    Ok back to basics here. It sounds like something is feeding back into the module causing it to activate. First post of call is any wiring you did when you replaced the wing, I'm assuming this was the headlight, indicator and side repeater. Disconnect them all and see what happens. Also try disconnecting the interior sensors from the module (the red & white 2 pin plugs) and try that.
     
     

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    #30
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    Okay, will do.

    Something i noticed today. I deactivate the alarm, as soon as i shut the door the led flashes vigorously.
     
     

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