finnie Posted March 21, 2010 Share Posted March 21, 2010 So I am stripping the wiring back today with the aim to disconnect the narrow band lambda that I have and fit the innovate. The install looks simple enough but I am worried about what i am disconnecting with the old. There are so many wires and one is going to another box which sits just beside the emerald ecu. See this photo (emerald not in this pic but you can guess where it normally sits!) http://i19.photobucket.com/albums/b184/finnieglasgow/Caterham/IMG_0317.jpg The cabling is so different from the innovate and there are loads fo wires coming back from this box to the ecu yet only one goes to it. Surely this isn't a wideband I'm trying to remove is it?? General pic of my pain today! http://i19.photobucket.com/albums/b184/finnieglasgow/Caterham/IMG_0318.jpg Also got another quick question, I see the drawing of pin numbers for the emerald but am confused which side it's started from From this pic can someone tell me which is pin 1 etc so that i can get my numbers right http://i19.photobucket.com/albums/b184/finnieglasgow/Caterham/IMG_0319.jpg Thanks Finnie Link to comment Share on other sites More sharing options...
finnie Posted March 22, 2010 Author Share Posted March 22, 2010 Can anyone at least then tell me what the box with the silver bracket is. I cant see what it is in the manual. I have four wires coming from the lambda probe, two go to the emerald connector for the lambda, ( i think pins 7 and 18) one big black wire goes into another bunch of taped and, get this, shielded wires which seem to go back to the neutral of the battery. Is this some wierd way of neutralising and shielding the other wiring. The last wire then goes to this mystery box. Is this some kind of switched power disctribution box? Also regarding the Emerald program, it seems to be selected that i have a wideband fitted yet closed loop is not used. If i also go into the AFR page of the ecu it says the lambda isn't used at all? I'm very confused. I put everything back together yesterday and glad to say it all still runs. Still have the wideband on my kitchen table. Another thing i also found out is that I apparently still have the IACV fitted. I thought the emerald was doing the business. Would i be better using the emerald to control the idle. I think yes but not sure of the nest way to start changing over. Help! (off to a course today so can't fiddle til the end of week but all help greatly appreciated!) Finnie Link to comment Share on other sites More sharing options...
finnie Posted March 22, 2010 Author Share Posted March 22, 2010 So a lucky internet hit resulted that it is the MFRU, can anyone give me an idiots guide as to how this functions and what it does? How do I control it etc, what each plug does??? Basically i want to know if I can use the same pin that the original lambda used to supply the power supply for the emerald???? Thanks again Finnie Link to comment Share on other sites More sharing options...
charlie_pank Posted March 22, 2010 Share Posted March 22, 2010 Hi Finnie. I'm not sure what the little box is that you've taken photos of Normally the emerald installation doesn't use the IACV. Maybe it's blanked off, disconnected while closed or has no power going to it? Most of your questions would be answered if you had an Emerald manual. I'm sure that it's available from their website, if not, give them a call. back here because I want to be. Link to comment Share on other sites More sharing options...
Molecular--Bob Posted March 22, 2010 Share Posted March 22, 2010 If you google rover mfru in google images the first page has a wiring schematic for the unit, and quite a few caterham related pages, might be worth a look. Link to comment Share on other sites More sharing options...
finnie Posted March 22, 2010 Author Share Posted March 22, 2010 That's what I actually thought about the iacv but there is a page in the emerald ecu section which shows the set up. I have the manual so will read through more. Will look that up when I get home. Link to comment Share on other sites More sharing options...
charlie_pank Posted March 23, 2010 Share Posted March 23, 2010 I think the emerald CAN control the IACV in some cases, but I seem to recall when I did my installation that it wasn't recommended by any of the armchair experts I consulted/insulted at the time. Things may have moved on/regressed since then. Put it this way: it's perfectly possible to run the K without the IACV and to control the idle by ramping up the advance towards 0 rpm, after setting up the grub screw to leave a little throttle gap for idling. back here because I want to be. Link to comment Share on other sites More sharing options...
Tony Whitley Posted March 23, 2010 Share Posted March 23, 2010 The later models can control a variety of IACVs and indeed mine did for a while. Link to comment Share on other sites More sharing options...
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