Guest rekan Posted July 27, 2012 Share Posted July 27, 2012 Hey there guys, first time here, so here goes nothing: Like the title says, I have a 96 N/A 5spd supra. The check engine light and ! light were on so i checked the codes it was throwing out. It came out as P0500, aka Faulty Vehicle Speed Sensor (VSS) I bought a new one, the one thats next to the transmission, though the light turned on again, Last night, I took apart the dash and did the "splice" thing where you cut the pink wire and splice it into the blue/red one. Next day, light came back again. Does anyone know what the problem is or had the same thing? I might take it apart again and resolder it, but I want to know if anyone has experienced the same. Thanks! Quote Link to comment Share on other sites More sharing options...
skippyboyo1 Posted July 27, 2012 Share Posted July 27, 2012 Stupid question but have you checked your brake fluid level????? I had something similar, ignore the engine code an check your levels Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted July 27, 2012 Share Posted July 27, 2012 Appreciate the fast reply! Well I actually haven't. I work a lot so I havent had time to really sit with the car and examine all the fluids. So even though im getting a VSS code, it could well be my brake fluid? Quote Link to comment Share on other sites More sharing options...
skippyboyo1 Posted July 27, 2012 Share Posted July 27, 2012 Yea sounds like that it will bring on the warning light. Give it a try if not let us no there's nothing the forum can't fix supra related Quote Link to comment Share on other sites More sharing options...
skippyboyo1 Posted July 27, 2012 Share Posted July 27, 2012 The code might be something else but the brake fluid is worth a try, in 8 years of ownership my na has never had the warning light come on for anything other than fluid level Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted July 27, 2012 Share Posted July 27, 2012 The code might be something else but the brake fluid is worth a try, in 8 years of ownership my na has never had the warning light come on for anything other than fluid level I dont want to sound redundant, but with the low brake fluid, the warning light AND check engine light comes on? Lol wish I did the brake stuff earlier, was at my mechanics, and we switched out the transmission fluid, differential fluid, and engine oil. AMSOIL ftw Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted July 28, 2012 Share Posted July 28, 2012 Well, I added in more brake fluid, drove a couple miles, but the check engine and warning light remain. Im going to drive a few more miles and see what happens. Also, should I reset the codes? Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted July 30, 2012 Share Posted July 30, 2012 Update: I soldered some more stuff next to the dash last night, though the check engine and warning light came on this morning. Any idea what I should do? I'm about to take it to a specialist for electronics and see if it's a wiring issue Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted July 30, 2012 Share Posted July 30, 2012 UPDATE: I went to the mechanics today, and they told me I have a bad odometer trip meter. Gonna cost me 800 apparently. Is there any way around this? gahhh Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted July 30, 2012 Share Posted July 30, 2012 that doesent sound right. are they saying itys the speed sensor? or the actual clock thats faulty. either way you can get replacements for pennies Quote Link to comment Share on other sites More sharing options...
Dazzi Posted August 1, 2012 Share Posted August 1, 2012 Do you have ABS? These act as a speed sensor. Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 1, 2012 Share Posted August 1, 2012 Its not the ABS. Apparently, its the Right Lamp Assy. basically, the cluster with the odometer and everything. I took it apart myself and saw it was burned and discolored pretty badly. Anyone ever have this happen before? Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 1, 2012 Share Posted August 1, 2012 Its not the ABS. Apparently, its the Right Lamp Assy. basically, the cluster with the odometer and everything. I took it apart myself and saw it was burned and discolored pretty badly. Anyone ever have this happen before? Quote Link to comment Share on other sites More sharing options...
Dazzi Posted August 2, 2012 Share Posted August 2, 2012 Not heard of that happening before. Have you tried to find another odo with simular mileage to replace your blown one? You could even get another one and get a certified clocker to adjust the mileage, seen this done plenty of times. Quote Link to comment Share on other sites More sharing options...
stevie_b Posted August 2, 2012 Share Posted August 2, 2012 Guys, this smells like code 42 (no.2 speed sensor error). The buffer output circuit of the odometer can give up after several years, and this will cause the ECU to throw a speed sensor error because the odo buffer is where it gets the speed signal from. I would try bypassing the output circuit. Not sure if you've done it already though (you mention the "splice thing" in your first post but don't say what that is). Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 6, 2012 Share Posted August 6, 2012 Not heard of that happening before. Have you tried to find another odo with simular mileage to replace your blown one? You could even get another one and get a certified clocker to adjust the mileage, seen this done plenty of times. I looked for a little, though not much and could not find anything. Wish I had tried a little more before forking over 600 bucks :/ Guys, this smells like code 42 (no.2 speed sensor error). The buffer output circuit of the odometer can give up after several years, and this will cause the ECU to throw a speed sensor error because the odo buffer is where it gets the speed signal from. I would try bypassing the output circuit. Not sure if you've done it already though (you mention the "splice thing" in your first post but don't say what that is). The splice thing is where you take apart the dash and cut a pink wire and twist it in with another wire (forgot which one) I have not bypassed the output circuit, I dont even know what that is. I do have a picture of the odo to show you what burned up. the circuit board behind it is discolored too. If this helps at all, my speedometer still reads right, and it logs miles properly too. Quote Link to comment Share on other sites More sharing options...
stevie_b Posted August 6, 2012 Share Posted August 6, 2012 i checked the codes it was throwing out. It came out as P0500 I've never heard of a P0500 error code. Did you check them yourself or did a garage do it for you? If you checked them yourself with a paperclip, the ECU can only flash digit-based codes at you, and AFAIK they don't go above two digits (I might be wrong though). See this diagram: http://homepage.ntlworld.com/peter.betts/supra/TechTips/dsc_speedo_mph.jpg Cutting pin 6 of the odo plug, blanking off the plug side of the cut and splicing the wire going into pin 5 of the speedo plug to the loom side of odo pin 6, will bypass the odo's output buffer. It's been done before with no ill effects, but of course you do this at your own risk. This assumes you don't have a speedo converter fitted. If you do, that changes the procedure a bit. The pink wire you cut or spliced, could that have been the one going to the ECU (pin 2 on the diagram)? Any wiring alterations are prime candidates for things going wrong so it could be worthwhile you lifting the carpet up and having a look to see what you spliced into what. Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 8, 2012 Share Posted August 8, 2012 thanks for the details stevie, and that was the "splice" I was talking about. The new part should be coming in pretty soon, if that doesnt fix it, Im definitely going to take it all apart and find it. Might as well fix up some stuff while Im down there, you know? Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 16, 2012 Share Posted August 16, 2012 Ok, I replaced the right lamp assy which was kind of burned out. Reset everything, but the warning and check engine came back on. I'm running out of ideas here to what the problem could be. Really don't have the time to take apart everything and check wire for wire. So, the car has been in an accident before I purchased it. A mechanic told me that a seatbelt sensor or something of the sort could be messed up, giving off that signal. Any opinions on this? My seatbelt does actually act funny and doesn't work very well Quote Link to comment Share on other sites More sharing options...
Guest rekan Posted August 3, 2013 Share Posted August 3, 2013 Ive never updated this. Took it to a good mechanic 5 times, and he re did all my splicing. Finally, the CEL showed it was a dirty EGR valve. got that cleaned up and im cool! Quote Link to comment Share on other sites More sharing options...
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