Nanocom

alfapat · Dec 29, 2016

Is there anyone in the area of Morayshire/ Grampian who had the Nanocom disgnostic tool as I believe it may enable my.front screen through the BCU.

neilly · Dec 29, 2016

Have you looked on the LZIR map to see if anyone is local to you .

If they are and still post, then you can always send them a pleading for help PM , cake may be in order though.

Cheers

alfapat · Dec 31, 2016

Hi Neil, the Landy zone IR?

neilly · Dec 31, 2016

@alfapat

Yes, have a look at the map.

But cake can get expensive........................

Cheers

neilly · Dec 31, 2016

I assume you have fitted a heated windscreen with all the fittings etc.

Cheers

alfapat · Dec 31, 2016

Yes that would be correct , I got the vehicle at least 7 yrs ago and had fitted a heated screen, wired in the scuttle and relays fitted and fuses. The only thing I have done is fit a switch on the dash ,
LR one . I use Contetech for a diagnostic , fairly comprehensive but doesn't enable the BCU .
Sorry where is this map?

neilly · Dec 31, 2016

If you got to page 1 of the LZIR thread,

First post, You will see a link to the map there.
DO NOT post a request there though , as the name suggests posting there is a cry for help because you are stuck alone on a moorland with a werewolf chasing you and your Landie has let you down. Not because you need help to get your windscreen working.

Cheers

brian47 · Dec 31, 2016

Obviously you would like to get the LR installed circuit working as it should, I can understand that, but failing to lay your hands on a Nanocom shouldn't mean the end to your quest. As far as I can see it, the main reason to get the system working might be the timing ability built into the original circuit.
If that is the case then you might have to consider installing a special timer relay to do the job for you. Maybe one like this ....
http://www.ebay.co.uk/itm/TIMER-RELAY-Adjustable-12-volt-10-Amp-ALT-ADJTIMERRELA12v-/140756974528?hash=item20c5c4fbc0:g:-ccAAOSwstxVSz8-

alfapat · Dec 31, 2016

Well that is interesting, so if this put in place of standard relay for H/S circuit this would overide the Bcu ?

brian47 · Dec 31, 2016

alfapat said:
Well that is interesting, so if this put in place of standard relay for H/S circuit this would overide the Bcu ?

More or less. Just forget about the BCU circuit altogether and wire this one as a totally separate circuit. I think the switch you have is a push button which is all that's required to trigger it as far as I can see.
Press the switch and the relay operates switching on the screen heater for say 5 minutes and then it switches off by itself.
At least it'll give you something to think about.

alfapat · Dec 31, 2016

OKdefinitely something to think about, thank you, so I will give it a go. I will check the pins for lives when the switch is activated .So what your saying is BCU is second in line to the circuit only to activated a timed circuit?

alfapat · Jan 1, 2017

Need a bit of help here, trying to download diagram of Rave to ask advice from any leccy to try and circumnavigate the heated screen operation , my take on this would be to link the four wires going into or coming out from the bcu and replace the relays for a timed relay?
First of all the diagram please.

Looks like pink/orange to/ from bcu should be linked to purple/brown

neilly · Jan 1, 2017

Have you got the rave download?

Cheers

alfapat · Jan 1, 2017

neilly said:
Have you got the rave download?

Cheers

CD

neilly · Jan 1, 2017

It should be on there. If it is the same as the download.

Did you find the electrical diagram and also the description of how the HFS works?

Cheers

alfapat · Jan 1, 2017

Yep Ive got all that , just not good at working out what I need to to do.So which icon above do I select above to attach a page , maybe you have the diagrams any way.

neilly · Jan 1, 2017

If you print the diagram you are looking at to a pdf file.

Then you can load the pdf file by using the upload a file icon , bottom right of screen when you write a new post.

Cheers

as an example......

brian47 · Jan 1, 2017

If I were you, I would try to stay away from cutting wires in and out of the BCU, there are a lot there and it would be quite easy to hack the wrong one.
Left to me, I would just forget about the BCU and disconnect it altogether at the connections to the windscreen at the scuttle and connect my own circuit there instead. The same would apply to the switch and indicator light, run in your own wiring.
That way if anything should go wrong, there's very little likelihood of upsetting the rest of the vehicle.
I've attached a hand scribbled diagram of how I would do it.

The connection to the switch I've just shown as Ground or 12 volts, as required, whichever is needed by the timer relay to work.
On second thoughts I might have taken the indicator light feed from the other relay contact so that it would show that everything is working not just the timer side of the circuit.

neilly · Jan 1, 2017

Or you can print to a pdf and then take a snapshot of the screen.

Cheers

neilly · Jan 1, 2017

Just one query there @brian47

As I assume you have done this and I expect it is a simple answer. You have a 20A fuse. But the fuses in the car if fitted are 40A for each side.?

Cheers

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