2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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S5 ECU Diagram

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Old 04-22-10, 11:41 PM
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S5 ECU Diagram

Does anyone have a diagram/schematic that depicts what all the wires go to?

I found this FD ECU Diagram, its exactly what I'm looking for, I just need it for the FC and complete.
Old 04-23-10, 12:00 AM
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http://mazdarx7.iougs.com/faqdiagnosing.shtml
BAM!

all i did was google "mazda rx7 diagnose"

but i've seen the page before, it's saved at work for it's usefulness.

see below for the one pertaining to your car, as they do vary.
Old 04-23-10, 12:03 AM
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Look in the 89-91 online factory service manual. There is a complete listing of every pin and what it goes to. Its in the emissions chapter. There are two different versions of the chapter, one for normally aspirated, and one for the turbo. Make sure you get the right one.

Links to the online FSMs are in the Frequently Asked Questions section of this forum.
Old 04-23-10, 12:14 AM
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Awesome, thanks guys.
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