v6shep Posted July 4, 2012 Share Posted July 4, 2012 Obviously this will have been answered elsewhere, but I'm on school run and havent got time to search, but twice it's happened now around 70 mph I get a dash warning light: Any help appreciated, thanks, shaun Link to comment Share on other sites More sharing options...
safcdixon Posted July 4, 2012 Share Posted July 4, 2012 it will be your active spoiler switch, if it been removed it will be showing up that its not working switch off the active spoiler with the button on the dash and it shouldnt come on again, mine did the same when i first got my supra. Link to comment Share on other sites More sharing options...
welshbuddy Posted July 4, 2012 Share Posted July 4, 2012 is the door light coming on? if So your bonnet is lifting up from the wind so the sensor picks it up, could be that? Link to comment Share on other sites More sharing options...
Japlover Posted July 4, 2012 Share Posted July 4, 2012 or have you recently replaced one of the CATs with a de-cat pipe? Think the front one has a sensor to check air temp (or something) I had it on my old N/A when I put a fron de-cat pipe on..... I ignored it Link to comment Share on other sites More sharing options...
v6shep Posted July 4, 2012 Author Share Posted July 4, 2012 Cheers fellas, I haven't seen an active spoiler button lol. Interior bulb no coming on (only one of these work anyhows) And no buddy, still catted, only got an HKS backbox on, still silences half way down. But... So far, bonnet seems likely possibility Link to comment Share on other sites More sharing options...
Nic Posted July 4, 2012 Share Posted July 4, 2012 If it is coming on at a certain speed it's usually either - as said - the active spoiler has been removed or a problem with the speed delimiter/mph convertor. A diagnostic check should tell you if there are any fault codes stored on the ECU, see how to guide here http://www.mkivsupra.net/vbb/showthread.php?35920-How-To-Check-the-diagnostics-codes&highlight=codes If the light is coming on randomly, particularly when braking or going up/down a hill it could be the brake fluid level needs topping up - the sensor is very sensitive and can bring up a warning even if the brake fluid is slightly above the min mark. Link to comment Share on other sites More sharing options...
v6shep Posted July 4, 2012 Author Share Posted July 4, 2012 Ahhh, a number of reasons, will check fluid levels soon as I get home before anything else Link to comment Share on other sites More sharing options...
Iky Posted July 4, 2012 Share Posted July 4, 2012 Also check your bootlid is fully closed. Link to comment Share on other sites More sharing options...
v6shep Posted July 4, 2012 Author Share Posted July 4, 2012 Lol that sod rattles like nobody's business Link to comment Share on other sites More sharing options...
Kaan W Posted July 4, 2012 Share Posted July 4, 2012 I had this problem! And then it started flickering as I was driving then realised my boot was open slightly. After shutting it the light came back on again shortly after whilst giving it the beans but then goes off after turning the ignition off then on again? Link to comment Share on other sites More sharing options...
Guest version30 Posted July 4, 2012 Share Posted July 4, 2012 Lol that sod rattles like nobody's business off topic i know but my boot rattled bad so bought two of these and its now silent. http://www.ebay.co.uk/itm/251071287527?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 Link to comment Share on other sites More sharing options...
v6shep Posted July 4, 2012 Author Share Posted July 4, 2012 Ah cheers version30 something else sorted later then lol Link to comment Share on other sites More sharing options...
Ian C Posted July 4, 2012 Share Posted July 4, 2012 It'll be your speed sensor if it's happening at higher speeds. Code 42 I'm guessing, and I didn't even have to look that up Link to comment Share on other sites More sharing options...
v6shep Posted July 5, 2012 Author Share Posted July 5, 2012 Which means I need to.... :s Link to comment Share on other sites More sharing options...
Iky Posted July 9, 2012 Share Posted July 9, 2012 Which means I need to.... :s Check the speed sensor which is mounted on the upper side of the gearbox closest to the car's underside and it's connection is quite fiddley to get to. Speed sensor - Put the car over a pit or raise it on a jack. Look on top of the gearbox for a connector with three wires (red, Yellow and IIRC Red/Blue). This is the speed sensor's connector. Check that connection for damage, secure fastening etc. Link to comment Share on other sites More sharing options...
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