monkey76364 Posted April 20, 2014 Share Posted April 20, 2014 Well the new project supra is an auto but only seems to have one gear so very slow pull away but does have top end. There is no kick down at all or gear change... Before the box gets ripped out and a new one put in, as this is how it seems to have been built/set up, what can we look for to see that it isn't the gear box? And Ecu wires ect that we can plug back in... Any help would be nice Link to comment Share on other sites More sharing options...
Chris88 Posted April 20, 2014 Share Posted April 20, 2014 Sounds like a shift solenoid failure which has caused the box to go into "Limp Home" mode. Link to comment Share on other sites More sharing options...
Swampy442 Posted April 20, 2014 Share Posted April 20, 2014 It won't have been built that way, theres 4 solenoids in the box controlling the selection of the gears, and the ECU, in conjunction with the gear stick/steering wheel buttons, controls the selection of those. Id say its an ECU before its the box, they are generally very reliable. Link to comment Share on other sites More sharing options...
monkey76364 Posted April 21, 2014 Author Share Posted April 21, 2014 Excellent cheers guys we will take a look and see what we can find. Link to comment Share on other sites More sharing options...
Swampy442 Posted April 21, 2014 Share Posted April 21, 2014 Oh, just one thing, if its an NA it will have 3 solenoids and the line pressure cable attached to the throttle body. Link to comment Share on other sites More sharing options...
monkey76364 Posted April 21, 2014 Author Share Posted April 21, 2014 No this ones a TT Link to comment Share on other sites More sharing options...
monkey76364 Posted April 23, 2014 Author Share Posted April 23, 2014 Hmmmm struggling now with working this out and not having or wanting to drop the box out yet wires all seem to be in place... Is there any obvious things I may have missed ? Link to comment Share on other sites More sharing options...
Swampy442 Posted April 23, 2014 Share Posted April 23, 2014 Pull the error codes? Link to comment Share on other sites More sharing options...
monkey76364 Posted April 24, 2014 Author Share Posted April 24, 2014 I have just had a mail from the people that sold it to say they previous owner had it set to run in manual change mode, normally used as overdrive function. Does this mean that there will be something unplugged and if so where? Or an ECU map? Link to comment Share on other sites More sharing options...
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