[apk919]

Originally Posted by ocelot27

OK... are you sure of the wires on my pic and are you sure they aren't using this sensor for IAT - it makes absolutely no sense to measure IAT pre-compression?????? Charlie or Thomas HELP US!!!

I just want to know what wire to use to control the fans for my IC - there's conflicting info here and before I go cutting wires I'd like to know for sure what's what.

Also, you're right the RLS setup relocates the IAT sensor to the post-IC tube for those doing water/meth.

-john.

Well, I'm as sure as I can be in the accuracy of the schematics in the Lotus service manual.

You saw this excerpt from the schematic, right?



The wire color codes match up... and as far as I can tell the note about not using the TMAP temperature sensor is accurate...

Originally Posted by ocelot27

Could they mean that the temp from the MAF isn't used in SC cars - this makes a lot more sense??? Plus why would they wire up the whole TMAP shebang and not use it???

-john.

I suppose they're using the pressure sensor part of the TMAP, just not the temperature sensor... without a schematic of the ECU itself (and it's software), I couldn't say what parts of the sensor are being used.