JoshC Posted January 23, 2017 Share Posted January 23, 2017 On a few occassions now when I've been a bit heavy footed, usually going up a hill on greasy roads, I've noticed that the handbrake light will flash on for a few seconds then sometimes the 'traction control off' light will come on and stay on until i restart the engine. It's started happening since changing my front tyres from MPSS to Goodyear Eagle F1's. So different tread pattern front and back also fonts are assymetrical, can't imagine that would be the cause but thought I'd mention it anyway. Anyone have any ideas why it's happening? Quote Link to comment Share on other sites More sharing options...
Richf Posted January 23, 2017 Share Posted January 23, 2017 First off make sure the brake fluid is at the max level and then get the codes read , lots of things can cause this and low brake fluid is often the cause for the handbrake light. Quote Link to comment Share on other sites More sharing options...
Ekona Posted January 23, 2017 Share Posted January 23, 2017 Dodgy/failing speed/ABS sensor would be a good place to start looking. Quote Link to comment Share on other sites More sharing options...
JoshC Posted January 23, 2017 Author Share Posted January 23, 2017 First off make sure the brake fluid is at the max level and then get the codes read , lots of things can cause this and low brake fluid is often the cause for the handbrake light. Dodgy/failing speed/ABS sensor would be a good place to start looking. Cheers both! Didn't think to check the fluid so will get that done first, failing that will take it in to get it looked at! Quote Link to comment Share on other sites More sharing options...
Ebized Posted January 23, 2017 Share Posted January 23, 2017 (edited) On a few occassions now when I've been a bit heavy footed, usually going up a hill on greasy roads, I've noticed that the handbrake light will flash on for a few seconds then sometimes the 'traction control off' light will come on and stay on until i restart the engine. It's started happening since changing my front tyres from MPSS to Goodyear Eagle F1's. So different tread pattern front and back also fonts are assymetrical, can't imagine that would be the cause but thought I'd mention it anyway. Anyone have any ideas why it's happening? Quite sure you have answered your own question as to the cause and that is not knowing what tyres you ahve on the rear and how worn they are. Edited January 23, 2017 by Ebized Quote Link to comment Share on other sites More sharing options...
JoshC Posted January 25, 2017 Author Share Posted January 25, 2017 On a few occassions now when I've been a bit heavy footed, usually going up a hill on greasy roads, I've noticed that the handbrake light will flash on for a few seconds then sometimes the 'traction control off' light will come on and stay on until i restart the engine. It's started happening since changing my front tyres from MPSS to Goodyear Eagle F1's. So different tread pattern front and back also fonts are assymetrical, can't imagine that would be the cause but thought I'd mention it anyway. Anyone have any ideas why it's happening? Quite sure you have answered your own question as to the cause and that is not knowing what tyres you ahve on the rear and how worn they are. The rears still have MPSS tyres with plenty of tread left. Would the mismatch in tyre patterns between front and back have any effect on the traction control system? Quote Link to comment Share on other sites More sharing options...
Ekona Posted January 25, 2017 Share Posted January 25, 2017 Yup, as you've changed the balance of grip between front and rear. Quote Link to comment Share on other sites More sharing options...
Richf Posted January 25, 2017 Share Posted January 25, 2017 I cant see how the traction light coming on and staying on will be anything to do with the tyres fitted , possibly when the tyres were fitted an abs sensor was damaged but as I said you need to see if there are any fault codes on there Quote Link to comment Share on other sites More sharing options...
Ekona Posted January 25, 2017 Share Posted January 25, 2017 I agree, which is why I suggested the sensors first. Quote Link to comment Share on other sites More sharing options...
Ebized Posted January 26, 2017 Share Posted January 26, 2017 I really cannot believe even the worst tyre fitter would damage an abs sensor simply taking wheels off and puttting them on again. Have you checked the tyre pressures on all 4 tyres? And you say plenty of tread left on the rears, but how much? How many miles have you done with the Goodyears fitted? Have you had a 4 wheel alignment done? They are two makes of tyres with different construction and compounds and the way the roads are remaining greasy at the current time I can tell you that even having one of the best cars made for traction/grip on 1000mile old MPSS, I'm spinning the wheels a lot more easily these days.í ½í¸„ Quote Link to comment Share on other sites More sharing options...
Richf Posted January 26, 2017 Share Posted January 26, 2017 The key here is "staying on" , loss of traction will cause the T/C light to flash but it only stays on if there is a fault with the system. Quote Link to comment Share on other sites More sharing options...
JoshC Posted January 26, 2017 Author Share Posted January 26, 2017 I really cannot believe even the worst tyre fitter would damage an abs sensor simply taking wheels off and puttting them on again. Have you checked the tyre pressures on all 4 tyres? Yes pressures are all fine And you say plenty of tread left on the rears, but how much? Not measured it but lots left, probably 5mm or so. How many miles have you done with the Goodyears fitted? Probably on a few thousand miles on the rears Have you had a 4 wheel alignment done? Did have about a year ago when the MPSS' were fitted but not since fronts have been changed They are two makes of tyres with different construction and compounds and the way the roads are remaining greasy at the current time I can tell you that even having one of the best cars made for traction/grip on 1000mile old MPSS, I'm spinning the wheels a lot more easily these days.������ Yeah would expect the TCS to be workig harder and more slipping in these current conditions but first time I've eve had the TCS actually turn off by istelf and stay off after some heavy footed-ness. Quote Link to comment Share on other sites More sharing options...
Ebized Posted January 26, 2017 Share Posted January 26, 2017 Did you check the brake fluid - 350 and 370 do seem to require it to be kept up the full mark? Otherwise, I wonder if you pulled the relevant fuse(s) and replaced to see if that clears the 'faults'. Quote Link to comment Share on other sites More sharing options...
JoshC Posted February 2, 2017 Author Share Posted February 2, 2017 Checked the brake fluid myself and it looked a little low but was still sitting somewhere between min and max marks. Took it into my mates garage to plug it in to see if there were any other codes showing up but turns out it was all down to the fluid, so topped it up and not had an issue since. He was surprised himself that the brake fluid would cause the TCS to turn off. Also pointed out that it possibly means pads could be low, so that's next on the list! Cheers for the advice all! Quote Link to comment Share on other sites More sharing options...
Ekona Posted February 2, 2017 Share Posted February 2, 2017 I wouldn't expect a level sitting at midway to cause those issues, that's just odd or screams of crap design! Glad it's all sorted though fella 1 Quote Link to comment Share on other sites More sharing options...
Richf Posted February 2, 2017 Share Posted February 2, 2017 I wouldn't expect a level sitting at midway to cause those issues, that's just odd or screams of crap design! Its a Nissan Yep they like to be kept at or very close to the maximum mark 1 Quote Link to comment Share on other sites More sharing options...
JoshC Posted February 2, 2017 Author Share Posted February 2, 2017 I wouldn't expect a level sitting at midway to cause those issues, that's just odd or screams of crap design! Its a Nissan Yep they like to be kept at or very close to the maximum mark Yeah apparently these cars do like to be fully topped up! Only when someone mentioned it above did I remeber the brake warning light flashing on my old 350 when brake fluid was just slightly low but just seemed a bit more concerning this time that TCS was turning off. Thankfully and easy/free fix it seems as light hasn't come on again since and I have tried to with a heavey right foot, just to be sure Quote Link to comment Share on other sites More sharing options...
Ebized Posted February 2, 2017 Share Posted February 2, 2017 Glad you got it sorted Josh I wouldn't expect a level sitting at midway to cause those issues, that's just odd or screams of crap design! You surprise me Dan saying that as there have been many posts in the past about the need the brake fluid to be kept fully topped up to stop dash light warnings, on both the 350s and the 370s. Quote Link to comment Share on other sites More sharing options...
Ekona Posted February 2, 2017 Share Posted February 2, 2017 Well, I've not seen them then if there's been that many. Fluid low and light flashing yes, lots of them, but midway and flashing? First I've heard. Quote Link to comment Share on other sites More sharing options...
Richf Posted February 2, 2017 Share Posted February 2, 2017 Well, I've not seen them then if there's been that many. Fluid low and light flashing yes, lots of them, but midway and flashing? First I've heard. Extremely common on the 370z , usually you notice the handbrake light coming on when you go around roundabouts or hard acceleration , lots of threads on it http://www.350z-uk.com/topic/99628-car-now-throwing-slip-light-on-with-hard-throtle/page__hl__%2Bhandbrake+%2Blight http://www.350z-uk.com/topic/89633-handbrake-light-and-traction-control-light-coming-on/page__hl__%2Bhandbrake+%2Blight http://www.350z-uk.com/topic/86081-handbrake-dash-light/page__hl__%2Bhandbrake+%2Blight http://www.350z-uk.com/topic/80428-handbrake-light-esp-off-and-skid-light-all-on-in-my-car/page__hl__+handbrake%20+light__st__20 http://www.350z-uk.com/topic/67214-fast-acceleration-breaking-dash-board-christmas-tree/page__hl__+handbrake%20+light#entry999873 Quote Link to comment Share on other sites More sharing options...
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