After a certain amount of head-scratching, pouring over the wiring diagram and discussion with MikkiJane, I tested the "Hot-On Always" supply to the CLP which comes into Pin 8 on the 10pin Black connector. This was at 3.8V. Strange but the low voltage would explain the desultory and, latterly, no action by the CLP. At the fuse panel it was 12V so obviously something is wrong along the harness. So I rigged a fused jury rig direct from the battery and, lo and behold, the pump burst into life when prompted by the fob! Connected the air lines and full remote unlocking was restored and interior lights came on as they should. 
So, there would appear to be poor connection somewhere along the harness which just appeared whilst the car was laid up for 7 weeks in a nice dry garage! (along with the DIS pixels which appear to have gone walkabout  )
Tomorrows job is the get some appropriate wire, connectors and fuse holder and put in a proper fused supply from the battery bypassing the harness supply.
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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1st November 2023, 03:23 PM
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