wwe Posted January 26, 2007 Share Posted January 26, 2007 hi all need some help i have a non turbo 93 j spec supra with problems 1- o/d off light flashes 2- engine light and stop light comes on together i put it on a diagnostic machine and it came up with code 41 throttle position/sensor signal code 42 speed sensor signal circuit so i got them checked out and the wires checked but no faults found i have been told it may be my main ecu is that true or could it be some other fault thanks to all who help a supra in need Link to comment Share on other sites More sharing options...
JustGav Posted January 26, 2007 Share Posted January 26, 2007 Try take out your speed convertor and see that solves the problem with the speed sensor #42. Link to comment Share on other sites More sharing options...
wwe Posted January 26, 2007 Author Share Posted January 26, 2007 my car is not in mph Link to comment Share on other sites More sharing options...
sdavies Posted January 26, 2007 Share Posted January 26, 2007 Could be dodgey joints on the odometer, I had a bunch of these faults, went through the checking of the sensor - wiring (good lord there is a lot of this) - converter/delimiter (I know you don't appear to have this bit but just fyi) - in the end the odometer was removed and appeared to have some ropey solder points on it! Re-soldered dodgey looking connections onto the board (weird oozing yellowy stuff and flakey bits that looked out of place) - and have not had the problem come back since! Don't know if this will help, just another avenue to explore... As an aside, how do you find a non mph speedo on these wonderfully speed camera populated roads? (my friend had an MR2 with kmh only on it - but did his head in so he got it converted ) Link to comment Share on other sites More sharing options...
wwe Posted January 26, 2007 Author Share Posted January 26, 2007 removed number plate (just kidding) i just take it slow at the mo but i have the bit to turn it to mph will be fitting it when problem solved. a mate has a spear odometer (speedo)i think Link to comment Share on other sites More sharing options...
JustGav Posted January 26, 2007 Share Posted January 26, 2007 Spare odo? won't work.. the UK ones are in mph, but they aren't the same I don't think. Far easier to use an electronic convertor, and much more common. Link to comment Share on other sites More sharing options...
sdavies Posted January 26, 2007 Share Posted January 26, 2007 I actually think that the odos work on the same principle at very least (I know there are some unpleasant re-soldering hacks to get the m to light up on the odo unit rather than the km so assumed they were the same but have not set eyes on a uk one) - and are possibly the same units with two different shorts on the board? I don't think the idea was to do the conversion to mph using the odo!? Just to fault find? I would be interested any rate to know if your friends odo fits/solves problem. As mentioned the common thing to do with the imports is to just whack a 110/115mph face plate on the existing one (no electronics needed) - better is to get the conversion module [sC+TSD] from somewhere like Thor (sounds like you have one). Link to comment Share on other sites More sharing options...
JustGav Posted January 26, 2007 Share Posted January 26, 2007 Hold on, sorry, I'm wrong here.... I was confusing odo's with clocks, sorry I'm tired... A spare odo would work, sorry I meant mph on the speed gauge. I just remembered, my VVTi has the odo on the speedo, but not on the pre-facelifts.. Link to comment Share on other sites More sharing options...
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