My understanding of the fan switch from the S4/A6 which is mounted in the lower part of the rad hose is that once it reaches a certain temperature, it closes a circuit, for two different circuits and at two different temperatures. Has anyone considered using that simply to trigger the fan relays, which the Boxster ECU normally does?
Otherwise, this guy makes some nice fan controllers that look like they will work nicely with the Boxster:
WWW.AUTOCOOLGUY.COM | CONTROLLERS
Quote:
Originally Posted by specboxCO
I used the stock Audi 7.1.1 ECU from the A8 adapted to the Boxster harness. ECU had to be hacked to remove the immobilizer and then flashed with a Euro S6 manual tune and finally modded to remove the rev limit for the missing vehicle speed sensor signal.
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Mind sharing the file?
Quote:
Originally Posted by Escy
On the later canbus Boxsters, I believe the last 1/4 of the tank is calculated by the ECU so the level just drops to zero. The low fuel light, engine temp warning light, engine temp gauge and check engine light are all on the canbus.
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I'm going to be doing some canbus sniffing in about a week or so. Might be able to get this stuff working properly with a arduino board. A local friend had to do this with his RX8/LS swap.
I'm also debating going with an EMU Black stand-alone instead of the factory Motronic. That's a pretty sweet ECU.
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