Well - I have the headlining out and the sunroof glass panel removed.
Operating the slide open/slide close switch causes a click from the control unit relay(s) and the drive motor struggles a few turns in either direction, but there is no further movement.
Operating the tilt up/close down switch does nothing at all. The switch contacts themselves test ok, but there is no activity in the control unit.
I intend to investigate the mechanicals a bit further, everything seems covered with a sticky grease, it may be the reason for the failure to work properly. When I first purchased the car about 4 years ago, the sunroof operation was very sluggish, and not till very recently have I tried it again.
But the control unit ??? - Should there be a 'click' from either ( or both) of the relays in the control unit when trying the tilt open/tilt close switch ??
Units are same as in this photo:
http://trademe.tmcdn.co.nz/photoserver/ ... 396951.jpg
Thanks.