kevin smith Posted December 15, 2015 Share Posted December 15, 2015 Can someone tell me how the auto gear box is controlled, does it have a separate control box or is it all controlled by the ecu, please keep it simple as I am not that mechanically minded. Thanks Kevin. Quote Link to comment Share on other sites More sharing options...
Big Mark Posted December 15, 2015 Share Posted December 15, 2015 It has a separate controller located in the passenger footwell next to the ECU. Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted December 15, 2015 Share Posted December 15, 2015 It has a separate controller located in the passenger footwell next to the ECU. That is the TRAC ecu. Engine ECU also controls the Autobox on all MK4 Supras. Mk3 had a separate Autobox ECU. Quote Link to comment Share on other sites More sharing options...
kevin smith Posted December 15, 2015 Author Share Posted December 15, 2015 (edited) Mines a mrkiv so I have a trac ecu and the engine ecu ? Edited December 15, 2015 by kevin smith (see edit history) Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted December 15, 2015 Share Posted December 15, 2015 If you have trac then yes you will, otherwise you'll have an engine ECU which also controls the gearbox. Whats the issue? Quote Link to comment Share on other sites More sharing options...
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