Breezy_Pete

The fact that fuse 22 is sometimes a source of 12V, but also sometimes a 0V connection will be unexpected by anyone without access to the circuit diagrams.

Unlikely I think, since it isn't controlled by any control modules directly, so it wouldn't be readily monitored as working/not working. Other than step 2, which I doubt would do anything useful, your strategy seems sound. I can't see that just reinstating the correct wiring will fix it, unless the blowing of fuse 22 was the original fault, and not found at the time of the bodgery.

Check that other fuse first, might save you any such work.

Yep. Wild guess that the relay has malfunctioned, and the subsequent bodgery has caused the observed behaviours and faults. Please also check fuse 31 (7.5 Amp rated), which feeds the coil of the washer relay (amongst other things),

Whereabouts are you based?

See above about the unusual configuration of fuse 22.

A subtlety that has just 'unbaffled' me is that the power source for fuse 22 is the rail B621, which itself can be switched up to 12V or down to 0V, thereby giving the reversability of the pump.

The green/white wire marked B622 on left of previous diagram, can be either floating (not connected to anything), 12V or 0V depending on stalk control position. Its origin is shown in the previous page of the diagram.

Relay located in position 1A, apparently:

I think this is the diagram then, with the rectangular box containing 8 coming from fuse 22. So there's a relay involved. V59 is the washer pump. Guessing the green violet wire is the one that's been replaced by a switched 12V from the G65 loom section.

Any 4I (India) codes?

Yes, low pressure fault is probably just pointing to low refrigerant level. See my last reply regarding PR codes, above please.

Turns out there are a few different circuit versions depending on PR codes. Can you share which codes you have that start 4F, 4K, 4I and 6K, to help pick the right pages, please?

Definitely not how it should be, but G65 fault may not be related, could just be refrigerant lack. Will show you correct washer wiring shortly.

Cheers Lee, appreciate the idea. Might try encouraging the main driver to eat more carrots for now. 😁

If my eyes don't deceive me, there only appear to be H4 options for Roomster. Ours has H7 for dipped beam and separate H7s for main beam. ☹️

Been mild since the above seal treatment, so no idea if it has alleviated that problem. New question though. Poor forward visibility on dipped beam reported by main driver. Changed the H7 dipped beam bulbs for Osram night breaker ones but no improvement apparently. Is it normal for the round lenses behind the front polycarbonate housing to look hazy and opaque? The outer polycarb is pristine.

Control module is probably integrated into the fan.

You could always go on erWin Skoda, and download the relevant, current document for your engine. It'll cost you a few Euros (7 + tax last time I bought an hour's access), but would offer some certainty. You could also download a bunch of other info whilst you're there, if you wanted. Don't dilly-dally though; they are closing to private individual customers in a week's time. Communication came through to that effect a few weeks ago. Not sure if they've already stopped allowing non-company users to register though, try it and see?

Such a lot of money...

They used to be helpful with Joe Public in some of their locations. Good luck today.

^ not for much longer. Access limited to company users from something like 18th December. Previously available to private individuals too.

But not your time. Your choice.

But the thermostat element in that may well be as dead as yours? If yours is original it has done 18+ years service, remember.

If there is no suction, it is a symptom of a blockage elsewhere, not a blockage of that hose or the valve at engine end of it.