L322 black screen of death

Hi guys, looking for some help before I rip out what little ginger hair I have left.
I own a 2006 vogue SE with touch screen etc, driving home yesterday sound went intermittent then cut out completely, screen turned off n that was that. Got it home, had a nosey in the boot area and found the culprit (corrosion on Nokia kit) did the fibre bypass loop and it started working again, got the plastic tube to hold the two cables together and it cut off again, this time it’s taken everything with it. No screen, no orange light, nothing.

I’ve had the car in pieces today, removed the IHU checked power to it, all ok, checked the radio unit same location, again power to this, though no optical output from either unit, checked all fuses all ok, battery resets etc. Checked units in boot, power to units but no optical feed, one thing I did notice is that even though the DVD navi drive has power, it won’t eject the disc. Checked all fuses in the rear fuse board, all ok, though the audio ones have no power running to them? Swapped the IHU relay didn’t make a difference. I’ve completely lost my head with it today. I’ve read on other forums that the navi drive could have failed, but I’m sure this isn’t in the MOST loop as there’s no optical input on the unit

any help greatly appreciated, two weeks into ownership and my patience is being tested already lol

thanks guys n girls

Sounds like you have the normal damp in the rear quarter problem, if one module has corrosion, you can bet some or all of the others have too. It has been known for pins to corrode off completely in the connectors.
If you have only had the car 2 weeks and it was bought from a dealer, take it back for them to fix.

Was bought as a private sale from a friend of the family. I’ve gone over the bootlid with a fine toothcomb today, pressure washed everything and can’t find it, I’m going to strip the rear quarter down and try it again. I believe my fault is down to the navigation drive, it’s just a case of finding someone local that has one I can try before I buy.... it that doesn’t work I’m all out of ideas and looks like I’ll be ripping the entire thing apart and fitting aftermarket

Thegingerone said:

Was bought as a private sale from a friend of the family. I’ve gone over the bootlid with a fine toothcomb today, pressure washed everything and can’t find it, I’m going to strip the rear quarter down and try it again. I believe my fault is down to the navigation drive, it’s just a case of finding someone local that has one I can try before I buy.... it that doesn’t work I’m all out of ideas and looks like I’ll be ripping the entire thing apart and fitting aftermarket

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A friend went through 3 of the Nav CD units due to water ingress plus the amp and some other bits.

Did they cause the same issue (black screen no orange light) nav unit is by far the cheapest, don’t know whether to just bite the bullet and see how I get on

Thegingerone said:

Did they cause the same issue (black screen no orange light) nav unit is by far the cheapest, don’t know whether to just bite the bullet and see how I get on

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Dead screen certainly, not sure if it was black, (don't forget, black screens matter). As all the stuff is linked on the CANBUS system, one duff unit can cause havoc as can the corroded connectors.