Couple of Small Questions - Touchscreen Navi unit,.

[sldwys]

Hey all - For some reaon my touchscreen/Navi unit in my 1997 FGDY33 Nissan cima does not display anymore. This controls all the heaters / Air con etc etc.
I have checked the fuses, I have swapped over the "TV unit" itself for another working one with still no luck. Any idea where to look next ? Is the brains for this in the boot ? I have about 12 ECU's in the boot connected to who knows where.

Next thing - My steering wheel controls, Periscope in / out works fine, But the Tilt up/down does not. Also the memory does not work for the driver position. I used to open the door and the steering wheel would raise and the drivers seat would slide back to allow fat people in. then it would go back to its set position - I have had an auto electrician look at this and he cant find the problem either.

3rd thing - My rear heater control panel in the arm rest of the back seat does not have any display. The buttons work ( well they did work when my screen in the fron worked ) but now they dont. Any way to fix this ?

Thanks all and hopfully someone can help me sort these out.

[Turbon8er]

Ok, i know it sounds crazy, BUT... Have you checked ALL the unrelated fuses? Sometimes a fuse for another component will actually supply power to random places. I've run in to that before. Check the under hood fuses too.

And by Check, i do NOT mean VISUALLY. Use a multi-meter and test for continuity. A good 'looking' fuse can still be bad.