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Thread: D4 3.0 Intermittent faults/warnings

  1. 14th September 2015, 01:50 PM #11
    Ghost-Who-Walks's Avatar
    Ghost-Who-Walks
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    Just to tidy this issue up...

    It was the battery.

    Had the CCA's tested with a handheld unit (by RAC, and also at battery world). Both tests showed battery ok.
    Battery World put a proper load on the battery - don't know what it's called, but it's a big box with cables, that puts an actual load on the battery, and measures V, A as the load is increased. Under load (that would still be less than starting load), battery was dropping <10V.
    Lower voltages during starting means the various CPU's don't get the messages they should, or detect errors due to low voltage during the startup sequence.

    So, new battery, and all good.

    Another side note - when the battery is changed, apparently you need to tell the car that a new battery has been installed. Not sure of what this affects, but I was regularly getting "low starting battery voltage" warnings after the new battery had been put in!

    Thanks again for your helpful comments! Love this forum!

    Rob
    D4 3.0L SE, MY10, Arctic White
    ARB Colour-coded bullbar, Safari Snorkel, Traxide DBS, LRBT1 BT audio module, trying out some 19" Maxxis Bravo 980A/T's (ex Cooper Zeon LTZ's)
    ex D1 2.5L 300Tdi, MY97 - loved it, gone to a better place.
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  2. 14th September 2015, 03:48 PM #12
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    LRD414
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    Quote Originally Posted by Ghost-Who-Walks View Post
    ....Another side note - when the battery is changed, apparently you need to tell the car that a new battery has been installed. Not sure of what this affects, but I was regularly getting "low starting battery voltage" warnings after the new battery had been put in! ....
    Good result Rob and good to see you close the loop on the issue, posting back here.

    How do you "tell the car" a new battery is installed? Did you have to go to a dealer?

    Cheers,
    Scott
    D4 TDV6 MY14 with Llams, Tuffant Wheels, Traxide DBS, APT sliders & protection plates, Prospeed Winch Mount w/ Carbon 12K, Mitch Hitch & Drifta Drawers
    Link to my D4 Build Thread
    D3 2005 V8 Petrol
    Ex '77 RRC 2 door. Long gone but not forgotten.
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  3. 14th September 2015, 05:52 PM #13
    Ghost-Who-Walks's Avatar
    Ghost-Who-Walks
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    battery

    A couple of the guys at my local battery world have L/R's, and one of them had a diagnostic computer-thing (not sure of brand).
    He used this to clear the fault codes, and "reset the battery" (tell the car there was a new battery)...

    That's what they told me, anyway!
    D4 3.0L SE, MY10, Arctic White
    ARB Colour-coded bullbar, Safari Snorkel, Traxide DBS, LRBT1 BT audio module, trying out some 19" Maxxis Bravo 980A/T's (ex Cooper Zeon LTZ's)
    ex D1 2.5L 300Tdi, MY97 - loved it, gone to a better place.
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  4. 15th September 2015, 06:27 AM #14
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    rufusking
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    Quote Originally Posted by LRD414 View Post

    How do you "tell the car" a new battery is installed? Did you have to go to a dealer?
    BBS's Nanocom Evolution has a function that does this.
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  5. 15th September 2015, 10:18 AM #15
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    LRD414
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    Quote Originally Posted by rufusking View Post
    BBS's Nanocom Evolution has a function that does this.
    Right, so my iiD Tool may do as well. Will look into it.

    Thanks,
    Scott
    D4 TDV6 MY14 with Llams, Tuffant Wheels, Traxide DBS, APT sliders & protection plates, Prospeed Winch Mount w/ Carbon 12K, Mitch Hitch & Drifta Drawers
    Link to my D4 Build Thread
    D3 2005 V8 Petrol
    Ex '77 RRC 2 door. Long gone but not forgotten.
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  6. 16th September 2015, 09:12 AM #16
    dazray
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    Quote Originally Posted by rufusking View Post
    BBS's Nanocom Evolution has a function that does this.
    Where do you find that function on the Nanocom?
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