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David Henderson
Tinkerer
Nsw
TT

Posts: 69
Reg: 08-2007

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Sunday, April 05, 2009 - 07:54 am, by:  David Henderson (Hendo)

Hi troy

I am in the process of putting factory cruise in a car which diddn't have it. I found a diagram from a supra which is very similar (same CC ECU)

http://pdftown.com/Toyota-Supra-1995-Wiring-Diagram.html



By those diagrams, Cruise control ECU pins 9 and 22 (colours in the diagram are different, correct colours on my loom from a '91 Auto are white / red stripe and brown / yellow stripe) go to the Auto ECU.

these might have to be left open cct.

Also, you will need the clutch switch (normally open, switches 12v to pin 3 of Cruise ECU to cancel set cruise) otherwise the car may rev its tits off if you change gears while cruising.

Also, my clutch switch has nothing connected to it so I don't think the ECU needs that signal. to make yours work with the new manual box, do as Mustafa advised and wire the normally open clutch switch to the points you bridged. This may mean you will need your foot on the clutch to start the car. Can anyone else verify this?

Does anyone have a pinout of the soarer speed control ECU? the pinout I have (supra) is nearly
correct, I'd like to check everything again, as well as know where to tap TPS and speed sense (from the odo) from.

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