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Thread: Disabling Volumetric Sensors

  1. 3rd October 2015, 07:56 PM #1
    sam_d's Avatar
    sam_d
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    Disabling Volumetric Sensors

    I'm having problems with my alarm with my 2003 D2. When I lock it using the remote the alarm starts sounding within a minute of two of pressing the lock button.

    When I lock with the key there is no problem.

    I have been advised that this is due to a problem with the volumetric alarm/sensor but that tracking the exact fault down would be tricky because it could be a dry joint or lose wire somewhere hard to find.

    So, is there a way to disable just the volumetric sensors so that I can still use the remote to lock? Or are there any quick tests to see what the fault might be?

    Thanks in advance!
    2012 Discovery 4 SDV6 HSE
    2003 Discovery 2 TD5
    2003 Defender Xtreme
    1997 Discovery V8i
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  2. 3rd October 2015, 08:07 PM #2
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    sierrafery
    sierrafery is offline YarnMaster Silver Subscriber
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    Hi, the volumetric alarm can be disabled with tester in BCU alarm settings or simply unplug the sensors
    Discovery Td5 (2000), manual, tuned
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  3. 3rd October 2015, 08:12 PM #3
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    sam_d
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    Quote Originally Posted by sierrafery View Post
    Hi, the volumetric alarm can be disabled with tester in BCU alarm settings or simply unplug the sensors
    Thanks! I was hoping it would be something as simple as that and not something mroe complicated like a control unit receiving false signals.

    Cheers!
    2012 Discovery 4 SDV6 HSE
    2003 Discovery 2 TD5
    2003 Defender Xtreme
    1997 Discovery V8i
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  4. 3rd October 2015, 09:18 PM #4
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    simonmelb
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    And with a Nanocom for example you can change the settings so a single press of the remote is lock and a double press is lock with the volumetric alarm on.
    Cheers

    Simon
    2003 D2a TD5, ACE, SLS, Vienna Green.
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  5. 3rd October 2015, 10:28 PM #5
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    Quote Originally Posted by simonmelb View Post
    And with a Nanocom for example you can change the settings so a single press of the remote is lock and a double press is lock with the volumetric alarm on.
    No offence but that's wrong, what you say is for superlock, the volumetric sensing has only two options: enabled-disabled
    Discovery Td5 (2000), manual, tuned
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  6. 4th October 2015, 08:28 AM #6
    biggin
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    My passenger side sensor has been disconnected for about 4 years with no issues. The sensor seemed to have gotten contaminated after some work on the roof to repair a dint. I might replace it one day.
    2002 D2 4.6L V8 Auto SLS+2" ACE CDL Truetrac(F) Nanocom(V8 only)
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  7. 2nd July 2017, 04:05 AM #7
    Sneaky
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    Spray first

    I had a similar issue but it turned out to be a large moth that was hiding in my disco. I now give a good dose of flyspray if it ever starts happening again. I also had a mouse causing the problem once - but he ran into the heater fan while I was driving one day and took out the fan lol.

    Regards
    Sneaky
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  8. 2nd July 2017, 08:54 AM #8
    PhilipA
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    I have disabled the alarm with Nanocom. AFAIK the remote locking unlocking is a separate setting.
    I have set my remote unlocking a single press.

    Regards Philip A
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