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Scion tC 1G Forced Induction Turbo and supercharger applications...

Throttle position and RPM wire tapping...

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Old Mar 17, 2009 | 07:58 PM
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Default Throttle position and RPM wire tapping...

Ok, so I need to tap into the ECU for throttle position and RPM. Thanks to Dezod, I have this wonderful pinout diagram:

http://go.mahalo.com/?id=42X122&url=...inouts----.pdf

By looking at that, there are two symbols & terminal numbers for each terminal description. Which one do I use for an 06 mt? I'm hoping that when I go to the ecu there is only one color/terminal combo that matches of the two listed and that is the wire i tap into. UNLESS, am I supposed to tap into the TWO sets of wires? For example, the throttle position sensor is at (E8-21) & (E8-28 ) according to that diagram. Do I tap into both or just one? Would I need to worry about decelleration also? If so, would I need to tap into (E8-31)?

RPM only lists two at (E4-5) & (E6-1). At least, I think this is for RPM. The description says engine speed.

TIA
Old Mar 18, 2009 | 08:04 PM
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Anyone?
Old Mar 18, 2009 | 08:22 PM
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RPM can be tapped off of the ODB2 port near the hood release (black wire). i think the throttle position is there too, but don't quote me on that...
Old Mar 18, 2009 | 09:38 PM
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Tap into E8-21 - E8-28 is for sensor malfunction detection.
Old Mar 19, 2009 | 02:01 PM
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Thanks!

So, just to be certain, RPM would be E4-5, correct?
Old Mar 20, 2009 | 05:19 PM
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Can someone please inform me as to which terminal is for RPM? I do not want to tap into the wrong one.
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