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Thread: LLAMS electronic height controller for D3/D4/RRS

  1. #11
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    Quote Originally Posted by David~ View Post
    Hi There,
    I am ~Rich~'s brother and would like to get the controller for my L322 Range Rover Vogue. Can you help ???
    Thank You
    David~
    Hi David,

    Whilst the Llams controller has not been tested on an L322, the module should be electrically compatible. It only requires access to a permanent 12V supply and the height sensor signal wires. All model L322s' height sensor signals are compatible but the ecu acceptance of the modified signals needs to be proven especially for the pre-Terrain Response vehicles.

    The pre-Terrain Response L322s have only 1 connector for the suspension ecu. I have not attempted to obtain M & F versions of these connectors so hard-wiring to the sensor wires is my only method. I have the necessary wiring diagrams and could supply an interface loom to allow the module to be unplugged and replaced by a loop-back plug, as per the D3/D4/RRS.

    The Terrain-Response L322s appear from the documentation to use a slightly different clip on 1 of the connectors thus suggesting that my looms might not fit, even though the pin-outs and layouts of the connectors are compatible. A test fitment would be required and if the connector proves to be incompatible, hard-wiring is my only option.

    Perhaps PM me if you'd like to explore this further.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  2. #12
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    David & I went away for a weekend while it was snowing up the Blue Mountains, the controller worked fantastic!

    It just takes me another min to figure out all the buttons, switches best for a particular terrain. Choices Choices!

  3. #13
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    Just wondering what would be the maximum height drop available ?

    I have a very low garage I need to get into quite often (current have to park on the laneway when there) and the maximum I could drop the vehicle would assist. (if access height is -50mm, and extra -20 is 70, but could it go further without effecting the extra height gain available otherwise ? And how how much further down ??

  4. #14
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    Initially the drop was 30mm. An RRS fitted with 265/70-17 MTRs caused a fault trying to drop 30mm below access height, requesting that the obstacle be removed from under the vehicle. Maybe the 31.5" tyres were fouling somewhere (29" originals) but perhaps it was sitting on the bump-stops. Setting the Llams OFF cleared the message and the RRS raised to access height. After seeing that occur, the drop was changed to be the same as LR's high speed height to try to avoid such faults.

    -50mm could be tested by performing a calibration but instead of going to off-road height when requested, go to access height. +50 would then become -50, +30 would be -30, -20 would be +20. At least the limits would be established.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  5. #15
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    I've just done some testing by using the method described above using access height instead of off-road height during calibration.

    -30mm used whilst at access height dropped my D4 approx 1 inch front and rear. Driven slowly over ruts it felt as though it was on the bump-stops. -50mm dropped the rear approx another inch with no change at the front. Now it really was on the bump-stops and very low. The suspension was very rigid whilst idling over bumps and braking whilst reversing on a paved surface revealed zero suspension movement. There were no error messages even with a restart and no switch to extended height. The suspension ecu may re-act differently on earlier vehicles.

    Hence on my D4 at access height there's another inch at the front and 2 inches at the rear - approx 29" ground to centre of wheel-arch.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  6. #16
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    Quote Originally Posted by Graeme View Post
    Hence on my D4 at access height there's another inch at the front and 2 inches at the rear - approx 29" ground to centre of wheel-arch.
    2 inches at the rear is good, thats where the height it

    Now to organise approx time frame....

    many thanks Graeme

  7. #17
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    Quote Originally Posted by gps-au View Post
    2 inches at the rear is good, thats where the height it

    Now to organise approx time frame....

    many thanks Graeme
    If dropping to the bump-stops is a definte requirement then we should arrange a test of your D3 to make sure your suspension ecu doesn't object as my D4 not objecting is not sufficent evidence. A special s/w version can be provided if/when you obtain a kit so that you have -50, off,+30,+50 instead of the usual settings.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  8. #18
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    A minor feature has been added to Llams - "recovery mode". It is to provide off-road height when the suspension system has lowered the vehicle to a "safe" height due to a reported ABS fault. The original Llams at +50 provides only about normal height, which might not be high enough if an ABS fault occurrs when at off-road height and really needed.

    Recovery mode is enabled by connecting calibration pins 2 and 3 on the pcb using a screw-driver whilst the switch is at +50. Safe height and +30 in recovery mode provides around normal height whilst +50 provides about off-road height. Recovery mode is disabled by setting Llams to -20.

    Kits currently held by Davis Performance Landys will be returned to be updated as soon as DPL receive some new versions in a few days. If a kit is required urgently, an unmodified kit can be purchased then the module updated at a convenient later time. Kits already purchased can be updated by returning the module (only) directly to me, as the module pcb needs a minor addition and enhanced software. The module will need to be recalibrated due to having new software.

    The calibration process is now a little simpler too, with pin 1 obsolete and pin 3 changing from a dummy to an active pin. Calibration is initiated by setting Llams OFF then touching both pins 2 and 3 with a screw-driver, then the normal/-20 and off-road/+50 steps as previously. The jumper is obsolete.

    Please PM or email me for my address for posting the module. As the change only takes about 15 mins, I intend posting back the next day.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  9. #19
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    Transportation height - on the stops - possible?

    I have been watching this thread with some interest for the last few months and a question occurred to me. Does the LLAMS controller have the ability to set the 3 down on the stops? I know it does high and higher, also low and lower, but how about all the way down?

    I purchased my 3, not so I could go off road, but to stay on the road - for me, that is doing pretty good but rarely does the snow get so deep that really high is necessary - I tend to just stay home - winter wonderland and all.

    What would be useful for me is the ability to put the 3 down on the stops so when I am working under it, that I know it can not just drop.

    I make a practice of always using frame jacks whenever I am under it so that if the air does let go, I am OK. I however still worry about some sort of movement if the air system suddenly deflates.

    Hence, is there a transportation setting mode, or could the LLAMS have one? I know the T4 or I suppose the Faultmate can do it, but I wondered if "to the stops" could be programmed into the LLAMS. Also I note that the 3 sure can drop itself at the worst possible times so the capability is in there somewhere.

    I copied below from something I found re the suspension.

    Transportation Mode
    Transportation mode is a factory set mode which locks the suspension to enable the vehicle to be safely lashed to a transporter. Transportation mode can only be selected or deselected using T4.

    When the ignition switch is switched off, the vehicle will be lowered onto the bump stops. This ensures that the securing straps do not become loose should air leak from the air springs.

    When the engine is running, the air supply unit will operate to raise the vehicle height, allowing the vehicle to be loaded. When the ignition switch is subsequently switched off, the vehicle will again lower onto the bump stops. An audible warning will be emitted from the instrument cluster sounder until the vehicle has reached the higher transportation height.


  10. #20
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    Hi bbyer,

    According to the same documentation, failure of multiple height sensors will trigger a lowering to bump-stops. However unplugging a Llams module, which disconnects all 4 height sensors, does not automatically drop my D4, so perhaps it has to move a little as well. It shouldn't be too difficult to unplug 2 height sensors.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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