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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
CFB wrote:
I'm having major problems with mine, its Censored up the SLS Air Suspension on my DiscoII which is now sinking to the bump stops every time the ignition goes off. Problem seems to be with writing any setting changes.

Have emailed Peter again for help Big Cry

PS. Has anyone tried to upgrade the firmware as I have been unable to do so


I doubt thats a software fault...as from memory of the air suspension on a Disco thats a physical failure (and very common) on the d2 and p38 air suspension...sorry - i bet its just a coincidence Mike
Post #52571 12th Jan 2011 4:36pm
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CFB



Member Since: 13 Sep 2007
Location: Bradford, West Yorkshire
Posts: 803

United Kingdom 
No its definitely a glitch with the Nanocom, it refuses to change the setting that I need for some reason (unless I am doing the procedure incorrectly), all other settings seem to change fine except this one which I didn't actually change in the first place Confused

The air suspension can be re-inflated with the Nanocom, however it is now stuck in 'Transport Mode' which means it fully deflates on ignition off. I can get to the setting to disable this but it will not write this back to the ECU so keeps defaulting back to this point.

Peter has tried to help but has now referred me directly to Nanocom in Italy who have not as yet responded Sad Andy
Post #52575 12th Jan 2011 4:51pm
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bell-auto-services



Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
I know Nanocom have a few crucialy important things going on at the moment with its support structure amongst some other stuff so emails will not get answered probabally for few days or possibily even more im not exactly sure of the time scale. For the short term at least you are all on your own.

id hope things will resolve them self back to normal as soon as possibile.

Pete
Post #52625 12th Jan 2011 9:19pm
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walpoleer



Member Since: 03 Jan 2011
Location: Walpole st Andrew
Posts: 7

United Kingdom 2000 Defender 90 Td5 SW Auto Epsom Green
CFB wrote:
No its definitely a glitch with the Nanocom, it refuses to change the setting that I need for some reason (unless I am doing the procedure incorrectly), all other settings seem to change fine except this one which I didn't actually change in the first place Confused

The air suspension can be re-inflated with the Nanocom, however it is now stuck in 'Transport Mode' which means it fully deflates on ignition off. I can get to the setting to disable this but it will not write this back to the ECU so keeps defaulting back to this point.

Peter has tried to help but has now referred me directly to Nanocom in Italy who have not as yet responded Sad


that's worrying...did you access the suspension setup to alter it or did it just fault on a read only. guess what I am asking is it safe even to look at the suspension setting or avoid till we find a fix. just starting out and getting it all wrong..so I'am told, and have a disco 2 but thats not an option as it was the wife choice. and she has never known herself to be wrong.
Post #52644 12th Jan 2011 10:10pm
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CFB



Member Since: 13 Sep 2007
Location: Bradford, West Yorkshire
Posts: 803

United Kingdom 
I am thoroughly Censored off to be honest, spent a lot of money on this and now have a car sat on its bump stops with no one seemingly able to help sort the issue.

I have a feeling that the BCU has somehow become corrupt, I have the yellow SLS warning light on the dash and the only way I can raise the suspension is via the Nanocom but as soon as I try and save the setting or I switch off it drops back to the floor so is undriveable.

Reading the codes was fine, as soon as I tried to alter and save new paramters was when it screwed up. I'm now faced with a trip to the dealer to try and sort it via Test Book, god knows what that will cost me, the whole point of getting this gizmo was to avoid expensive dealer trips. Andy
Post #52647 12th Jan 2011 10:18pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Have you tried the obvious...resetting the unit (i read in the guide about that) rebuilding the firmware off the site..again instructions there.

Other options:
Ring them
Anyone else with a unit locally...to try theirs
Take it to an independent plug it in should cost £30 ish
The RAC's diagnostics whilst not as good...might help
All before a dealer Mike
Post #52652 12th Jan 2011 10:34pm
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bell-auto-services



Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
Suspention settings are not inside the BCU, they are in the SLABS / Self Levelling Anti-lock Braking System unit.

see link

https://blackbox-solutions.com/shop/help/SM016.html




Pete
Post #52659 12th Jan 2011 10:40pm
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Lorryman100



Member Since: 01 Oct 2010
Location: Here
Posts: 2686

CFB wrote:

I'm having major problems with mine, its Censored up the SLS Air Suspension on my DiscoII which is now sinking to the bump stops every time the ignition goes off. Problem seems to be with writing any setting changes.


Don't know if you have done this:


Nanocom website wrote:

Title: Firmware 4.2
Description: Firmware 4.2 is compatible with all the Nanocoms (with RS232 or USB port, with or wothout hardware upgrades). This firmware includes the ACE module management for Discovery, and fix a bug in the WRITE SETTING function of the BCU VALEO module.
Download: NanocomFirmware2_04.zip


The update files for the evolution can only be accessed through the Nanocom Restricted area. This file may not be preloaded onto your nanocom. Could be worthwhile downloading and installing Thumbs Up
Post #52671 13th Jan 2011 12:03am
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Lorryman100



Member Since: 01 Oct 2010
Location: Here
Posts: 2686

CFB wrote:

PS. Has anyone tried to upgrade the firmware as I have been unable to do so



When you download an upgrade file, explore the zip file and double click the README file you will get these instructions:


To install this upgrade in the NANOCOM Evolution:

1)Remove the SD CARD from the slot and connect the NANOCOM to the computer.
2)You will see the Nanocom between the disk unit of the computer as a flash memory device called NC_FIRMWARE.
3)Copy the file .app(or .mex) (that you downloaded from the site, and extracted from the .zip format)
and paste it the NC_FIRMWARE memory.
4)the operative system ask you if you want to overwrite it to the file already present in the unit.
5)click "Yes" to overwrite.
6)Wait until the file is completely copied in the memory.
7)Disconnect the NANOCOM. It is now updated and ready to be used.


NOTE: if you have more file to upgrade, you can do it connecting the Nanocom only one time, but the
files must be copied and overwrite one by one.


HTH Thumbs Up
Post #52678 13th Jan 2011 12:54am
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Lorryman100



Member Since: 01 Oct 2010
Location: Here
Posts: 2686

DIAGNOSTIC FUNCTIONS OF THE ABS-SLS SLABS (DiscoveryII)


All the diagnostic functions have to be performed with the Ignition turned on to the second step and the
engine may be running or stopped. In many vehicles the communication with this module can be noisy and
this will not allow the Nanocom to communicate with this module when the engine is running. It is possible
to perform the diagnostic function also with the engine stopped, moving the wheel by hand; the only
parameters that results unreadable are the engine speed and the engine torque.
This problem can be in some case fixed by checking the ecu’s ground connection and the OBD socket’s
ground connection. If the ground is well connected and the problem is still present we suggest to ask us the
hardware adaptor that improves the noise reduction of the Nanocom OBD port.
FAULTS FUNCTIONS
The SLABS ecu has the READ FAULTS and CLEAR FAULTS to read and clear the fault codes. We don’t give
any faults explanation or suggestions, in order to avoid giving the user wrong information, we in fact think
that the faults codes must be collocated in the context of the car which they come from.
SETTINGS FUNCTIONS
Test status ENABLED-DISABLED – This setting is only an indication to inform that the ecu has been tested
Transport mode ENABLED-DISABLED – This setting enables or disables the transport mode (see workshop
manual)
ECU calibrated YES – This setting is only an indication to inform that the ecu has been calibrated
Suspension type AIR-COIL
Left stored height – Reference value of the standard height of the left air suspension
Right stored height – Reference value of the standard height of the right air suspension
INPUTS FUNCTIONS
The VABCO ecu has the READ ABS-SLS INPUT functions to read dynamically the parameters.
The parametesr can be analogue-numeric or digital-ON/OFF.
Front right sens(V) – Front left sens(V) – Rear right sens(V) – Front left sens(V) –
These voltages must be between 2.2V and 2.4V
Front right wheel speed(Km/h) - Front left wheel speed(Km/h) – Rear right wheel speed(Km/h) – Rear left
wheel speed(Km/h) –
These speed values must be 1.7-1.8Kmh when the car is stopped and increase when the speed is higher.
Front right outlet valve(V) – Front left outlet valve(V) – Rear right outlet valve(V) – Rear left outlet valve(V) –
Front right inlet valve(V) – Front left inlet valve(V) – Rear right inlet valve(V) – Rear left inlet valve(V)
These voltage must be 0V with valves off and 12V with valve on (the valves are active for short times only
during the modulation).
Engine speed(rpm)- Engine torque(N/m)- Throttle position(%)
Shuttle switch(V)-
The modulator has 2 valves that change theyr state when the two cylinder master pump of the brake pedal
is pressed. The two valves are connected to a resistor net composed by 3 resistor. The opening of one or
The modulator has 2 valves that change their state when the two cylinder master pump of the brake pedal
is pressed. The two valves are connected to a resistor net composed of 3 resistors. The opening of one or
both valves changes the resistance of the net. When both valves are open, the current goes through all the
3 resistors; when one of the two switches is closed, one of the 3 resistors is excluded by the net, and when
both valves are closed only one resistor is connected. This current is read by the SLABS to detect the activity
of the master cylinder and to check the circuit integrity.
The values that the shuttle switch should have are:
255-160 Open circuit (possible fault)
130-180 Pedal released (open switch)
61-129 Transition (only one switch is closed)
30-60 Pedal fully pressed (both switches are closed)
0-29 Short to ground (possible fault)
Note: these values are only indicative, so if your shuttle gives values different from the table, we suggest to
evaluate carefully how the shuttle switches work before considering it faulty.
Brake light relay(V)-Pump relay(V)-Ignition supply(V)-Valve supply(V)- Pump monitor(V)
Ground reference(V) – This value must be near to 0V it should not be more than +/-1V
Left sensor value – Right sensor value
These values must increase with the increasing if the car’s height. Normally they must be between 150 and
180 when the car is in the standard height.
Left sensor supply(V) – Right sensor supply(V)
These value must be near to 5V
Left valve(V)-Right valve(V)-Exhaust valve(V)-Compressor relay(V)
Neutral switch CLOSE-OPEN –HDC switch CLOSE-OPEN – Low range switch CLOSE-OPEN –Reverse switch
CLOSE-OPEN –Diff lock switch CLOSE-OPEN –Any door switch CLOSE-OPEN –Plip signal(not used)
OUTPUTS TESTS
These functions activate the relative outputs for a few seconds allowing you to check them.
Front right inlet valve
Front right outlet valve
Front left inlet valve
Front left outlet valve
Rear right inlet valve
Rear right outlet valve
Rear left inlet valve
Rear left outlet valve
Pump relay
Valve relay
SLS left valve
SLS right valve
SLS exhaust valve
SLS compressor

Brake warning LED- HDC warning LED-T.C. lamp-Speedo- HDC Info LED- HDC fault LED- SLS lamp- Offroad
lamp- HDC brake lamp- SLS Buzzer
UTILITY FUNCTIONS
POWER BLEED
This function allows to perform the oil bleeding of the main circuit. The function activates the pump for a
few seconds, and you must repeat the function until the oil reaches the brake. The same work can be done
by pushing the brake pedal.
MODULATOR BLEED
This function allows to perform the oil bleeding of the modulator circuit. The function must be performed
with the pipes closed, pushing the pedal with the maximum strength during the function. Once the function
is performed, release the pedal and repeat the function until the pedal stroke is normal.
FRONT RIGHT TEST - FRONT LEFT TEST - REAR RIGHT TEST - REAR LEFT TEST
This function activates the modulation of the brake on the desired wheel. During the function if you turn
the wheel by hand, you can see that it is blocked several times for few seconds.
RAISE LEFT - RAISE RIGHT - LOWER LEFT - LOWER RIGHT
This function allows to set the car heights increasing and decreasing it in both sides separately, and so it
also tests the air suspension.
STORE HEIGHTS
This function allows to store as standard height the height currently set.

HOW TO SET AND CALIBRATE THE AIR SUSPENSIONS
If you need to replace a sensor or you want to modify the suspension heights, you have to follow the
following procedure:
1 Set the car height with the RAISE LOWER functions
2 Verify with the SLS INPUT function that the values of the sensors are consistent
3 Perform the STORE HEIGHTS function once the height is set
4 Turn off the ignition for 60 seconds as Nanocom ask
5 Verify with the READ SETTING function that the stored height values correspond or are very closed
to the values read with the SLS INPUT inputs

HOW TO DISABLE THE SLS MANAGEMENT
If the air suspensions are replaced with coil you need to disable the SLS management
1 Perform the READ SETTING function
2 Modify the suspension type from AIR to COIL
3 Write the modified values with the WRITE SETTING function
4 Turn off the ignition for 60 seconds.
Post #52679 13th Jan 2011 1:14am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Forgot to add...ignoring updating the firmware as brian and i suggest

What are you doing with the ignition and have you adequate power.

I know that on other models you must have good power from the battery to use the diagnositcs and for somethings it ignition on and for others ignition off - sometimes you then have to cycle through on and off. Mike
Post #52689 13th Jan 2011 7:46am
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CFB



Member Since: 13 Sep 2007
Location: Bradford, West Yorkshire
Posts: 803

United Kingdom 
Thanks all

Brian, thanks i have those instructions from the Nanocom site Thumbs Up

Downloaded the Firmware 2.04 but when unzipped it is just a .exe file that i can't explore further, there is no README notes etc, I don't think copying this into the device will work as it doesn't replace any existing file that I can see

Power to the unit seems fine as other functions are working

Baffled.com Confused Andy
Post #52690 13th Jan 2011 7:56am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
CFB wrote:
Thanks all

Brian, thanks i have those instructions from the Nanocom site Thumbs Up

Downloaded the Firmware 2.04 but when unzipped it is just a .exe file that i can't explore further, there is no README notes etc, I don't think copying this into the device will work as it doesn't replace any existing file that I can see

Power to the unit seems fine as other functions are working

Baffled.com Confused


The .exe is for a different version to upgrade the kernal files i recall. Mike
Post #52691 13th Jan 2011 7:59am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
3)Open the NANOCOM box removing the screws on the bottom. Remove the jumpers installed in the pin 3 and 4 of
the 6 pole strip connector J6. Launch the program “KernelManager.exe” that you can download from the site within
the relative kernel upgrade. Connect the USB cable and wait until the program turns from “device not attached” to
“device attached”. Click one the button of the program “KernelManager.exe” relative to the kernel upgrade you need
to do, and wait that the unit is fully programmed. Install the jumper in the pin3 and 4 of the J6 connector(as it was
before).Disconnect the USB, the unit is upgraded and ready Mike
Post #52692 13th Jan 2011 8:00am
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CFB



Member Since: 13 Sep 2007
Location: Bradford, West Yorkshire
Posts: 803

United Kingdom 
I've managed to get it driveable again by changing it from AIR to COIL mode, not ideal but at least it is keeping the air inflated. For whatever reason it just will not change the SLABS setting to Transport Mode DISABLED, think my only option is to get it on a dealer TestBook to reset this.

I'm not sure about this Kernel upgrade, don't want to screw the unit up, is there not a simpler way of upgrading the Firmware on these units??? Andy
Post #52711 13th Jan 2011 9:55am
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