dkwct Posted May 7, 2013 Share Posted May 7, 2013 I wold like to know if anyone out there can tell me what might be wrong with my ect Ctrl button in my 1990 conquest lights up when I push it in but as soon as I release it the light goes out and it does not seem to have any effect on the transmission. thanks for any info you can supply Dkwct a newbie Quote Link to comment Share on other sites More sharing options...
Oldiesel Posted May 8, 2013 Share Posted May 8, 2013 First thought that comes to mind is possibly the switch is bad.Try having someone hold the switch in while you are driving and see if that causes the trans to upshift at a higher than normal rpm.All that switch does is hold the up shifts longer to allow the engine rpm to get higher up in its horsepower range before it shifts up to the next gear. If that makes no difference then you could take the switch out and connect the wires on the back of the switch together and see what that does if it can be made to work by either of those methods i would replace the switch,beyond that you will get into some diagnostics that will depend on your mech/electrical abilities or you may have to take it to someone who understands the older Toyotas.Personally i would avoid the national chain transmission shops and any transmission shop that tells you the problem requires a trans overhaul! Quote Link to comment Share on other sites More sharing options...
Oldiesel Posted May 9, 2013 Share Posted May 9, 2013 If you are mechanically capable this link may help you. personal.utulsa.edu/~nathan-buchanan/93fsm/ Quote Link to comment Share on other sites More sharing options...
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