A minor update on the Air-con repair, to keep the post ticking over.

I received a new Fan ECU in the week, I had to get it from Canada, as Amayama are out of stock with no idea of when the unit will be available again. A bit annoying as I had to pay twice the Amayama price but this is all part of NSX ownership I guess, now they are getting old cars, mine having had it's 30th a couple of months ago.

I swapped the Fan ECU over this morning & started the car up. Firstly the condenser fans didn't immediately start up, which is a first. I then checked to see if the compressor was engaging & it wasn't, so I shorted the triple pressure switch & then it did engage. So it would appear that there was two faulty components, the ECU & the pressure switch.

So now I'm gradually working through the issues & eliminating the faults, so I've got the next ones to deal with.

1. I'm not so sure the temperature is getting cold enough. It's not the hottest day today (it is England in May) but even on 18deg temp & Auto setting I'm able to hold my hand against the face vents quite easily but this is with the car stationary. On a run & the recirc switched off, the temperature did seem to get colder. I should've taken my temperature gauge with me but I didn't, so I need to do another run out to check & have a search of the forums to see how cold the temperature should get on the lowest setting.

2. I have a new Triple Pressure Switch but it looks like I will have to get the system de-pressurised to swap them & if I do that, I'm debating whether I should strip the IP down & replace the elements in the HEVAC unit.

Also, many thanks to Heineken for offering to re-solder my old Fan ECU.