L322 MOST cable route

2006 range rover vogue....
Having just purchased this, knowing that the touch screen in stuck on the LR screen, i'm now trying to find the actual route of the cable and what comes first in the line ....there is no light at the rear end of the car, so it seems to be obvious its somewhere at the front end.
Has anyone any idea of where to start??? have ordered myself a link cable just in case. Think i've been all over the LZ looking for the answers but cant seem to find any so a nudge in the right direction would be a massive help.
Many thanks in advance...

Here is a picture of the Most Ring, I eventually sorted out the problems on mine after it had been in to a Range Rover specialist and an Auto Electric specialist, both of whom told me it was beyond repair so if you need any help DM me

Ray JH said:

Here is a picture of the Most Ring, I eventually sorted out the problems on mine after it had been in to a Range Rover specialist and an Auto Electric specialist, both of whom told me it was beyond repair so if you need any help DM me

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Sorry to piggi back Guys, but I'm having a similar issue with my entertainment system my post is here (https://www.landyzone.co.uk/posts/5428043/) was thus issue resolved?
Any assistance would be greatly appreciated

I am confused by the post, wht exactly is the problem you are currently having?

Ray JH said:

I am confused by the post, wht exactly is the problem you are currently having?

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To start off with I only had the driver information on the screen. I was able to select the radio but I had no audio and I couldn't select CD or TV.
I looked in the back LH corner, and found the nokia, HK7 & Traffic Master where all corroded with water damage.
I've purchased replacements & refitted. Now I have bluetooth connection but still no Audio. I can select radio (still no audio tho) but still unable to make CD or TV selection.
I have looked at the MOST & it all seems to be working with the optical light going into LH corner and around all units. All fuses seem fine, I've took the dash off and had a look at the TSD & IHU which seem OK too. In hindsight I should have checked the CD changer at the same time.
My next option was to replace and upgrade the TV unit as it is showing a bit of corrosion but not as bad as the other units.

Hope this make sense?

Is the fibre optic light a continuous light or flashing? it should be continuous. If it is continuous, what you suggest would make sense about replaceing the TV unit

have to add that i found it an advantage to buy a fibre loop on fleabay for a couple of quid when i had issues with my electronics. at least then there was no guess work involved as it was easier to cut out all the rear bits at once (was also helped by Ray JH supplying the MOST cable route termination order).
However i did learn that the light signal starts and links all parts instantly and the flashing occurs if recognition of an item isnt working (open circuit??) when i located the problem on our RR (bluetooth nokia thing) i used the loop to just bypass it and the system only worked when turned off and back on again...

IMO it will flash but too fast to see. It is a signalling bus after all.

backinblack said:

IMO it will flash but too fast to see. It is a signalling bus after all.

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As you say, the light level will modulate for data transmission but not visible with the naked eye, far too fast.

OK Team, I've changed HK7 amp, Nav player, small sub amp, traffic master, TV unit & nokia unit all due to water ingress. Do any of these replacement units need cooded to the car?
The MOST optical light is going around all the systems (selid light) I can now connect my phone but still no audio, can select radio but still no audio, the CD & TV I can't even select.
I've been in both MOST diag screens but can't make sense of them, can anyone assist?