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Thread: Multiple warning lights - on D4's Fraser Island debut

  1. #31
    Join Date
    Jul 2012
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    Multiple times on Fraser Island

    Quote Originally Posted by chrisevz1337 View Post
    Hi guys,

    After some advice - took the D4 (MY2015 TDV6, 110k) on it's maiden trip to Fraser Island last week with family (including chief Toyota fan-boy, my father-in-law) and after initially tearing up tracks with ease on 19" Cooper Zeon's at 19 PSI, 5km out from the western beaches, I get multiple amber warning lights appear on dash.

    At the time, we were in off-road height mode, sand mode, high-range with DSC switched off, and without warning, dash shows three errors; 1.) Caution: Brake Assist disabled, 2.) Car reduced to standard suspension height for safety and 3.) DSC disabled, drive with caution (note: the dash light for when DSC is active remained on, indicating error). At this point, it fell out of sand mode too - and gave me no ability to select off-road programs, or change suspension height - features were unavailable. Continued driving for ~5km to beaches in effectively motorway settings before getting to camp site.

    At this point - I'm thinking worse case scenario, electrical failure, and potential tow recovery off the Island, alongside serious toyota fan-club abuse. Fortunately, turned off/turned on engine, reboot computers and no issue - all modes delectable and no issue for rest of trip.

    I think the biggest thing that concerned me was uncertainty as to whether DSC was on - and implications when on sand. Car probably had enough clearance on those tracks even at standard height, but definitely knocked my confidence.

    Have any of you come across this, or could perhaps suggest what may cause it? At the time, I wondered if I'd dinged the compressor and this enabled some kind of safety feature process lowering the car etc...probably also highlights the need for IID tool...

    Chris
    Chris,

    I have taken three different Discoveries onto Fraser - I found that the sand mode on the two Series 3's (TDV6 6-speed) wasn't a big help, but I didn't have any issues with traveling across the island with the suspension raised, although I would normally return to normal height as soon as I could.

    I found the sand mode on the Series 4 much better, and, even though the revs were higher, the fuel consumption was less due to the motor being in the peak torque band. I use sand mode whenever I am traveling in sand. I did have an identical experience to yours with my first Series 4 (SDV6 6-speed) when traveling across to Wathumba and I has left the the suspension raised. A restart and everything was OK - I just put it down to the compressor overheating from keeping the vehicle higher. I wouldn't be concerned. As for your Toyota lover - how does he get the sand out from underneath when he is bellied out? At least you can lift the vehicle to clear away underneath!

    Geoff

  2. #32
    Join Date
    Jul 2012
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    Perth- South of the River
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    Quote Originally Posted by glttce View Post
    I just put it down to the compressor overheating from keeping the vehicle higher.
    Others with more knowledge will come along to correct me if I'm wrong.....I don't think the compressor is 'working' to keep the vehicle at off-road height. It will pump up the air springs, close the valves and only adjust small amounts for self leveling adjustments, which would be the same as at normal height. You wouldn't be putting any more stress on the compressor leaving it at offroad height. However, raising and lowering will work the compressor more.

  3. #33
    Join Date
    Mar 2016
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    Quote Originally Posted by Dagilmo View Post
    Others with more knowledge will come along to correct me if I'm wrong.....I don't think the compressor is 'working' to keep the vehicle at off-road height. It will pump up the air springs, close the valves and only adjust small amounts for self leveling adjustments, which would be the same as at normal height. You wouldn't be putting any more stress on the compressor leaving it at offroad height. However, raising and lowering will work the compressor more.
    Correct
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  4. #34
    Join Date
    Jan 1970
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    Yes certainly correct, but if it has been going up and down due to dropping down due to speed and then being raised then it will start to protest - that is why I like LLAMS select onroad height and LLAMS at +50 and leave it there - just raising to offroad +50 for really tight bits.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

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