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Hello so I bought a 2009 g37x. Its rebuilt title it has a bunch of lights on for different things. I know some of these go together but it does not make sense since there is no codes and there is no typical symptoms linking the lights. The car starts and runs smooth. I've checked tire pressure pressure and made sure all tires are the same size. The only issue it had was a bad wheel bearing which I already replaced. Any input would be great 9
Last edited by Gabebapes; Nov 6, 2018 at 03:29 PM.
Reason: Solved
You need a code reader that can retrieve abs codes.
you're not seeing any codes because your check engine light isn't on. Most cheap code readers only retrieve engine codes. There's multiple other systems that can store codes. Abs, srs, etc.
your tire light is most likely on due to a malfunctioning tpms sensor. It'll need to be replaced and reprogrammed
In addition to whats mentioned above, inspect your rear brakes and the brake fluid reservoir as the VDC and slip lights are linked to a low brake fluid sensor in the MC reservoir. TCS is also linked to the rear brakes and can cause the lights to go on and disable the system if the rear brake pad are too low
In addition to whats mentioned above, inspect your rear brakes and the brake fluid reservoir as the VDC and slip lights are linked to a low brake fluid sensor in the MC reservoir. TCS is also linked to the rear brakes and can cause the lights to go on and disable the system if the rear brake pad are too low
If his brake fluid level was low enough it would trigger a red BRAKE light. I don't see one in the picture
In my experience just the "VDC Off" and "Slip" lights go off when fluid is low. I believe that has been the experience of many other people on this forum as well. If you experience has been different I would suspect that it may for a different year, but I can't remember anyone reporting the red "Brake" light indicating low fluid. Please post the year of your car as it may be an issue on newer years and will assist others who read your post
just to add to OP's inquiry check that you did not damage the ABS sensor when you replaced the wheel bearing as it gets removed when replacing it
with respect to the TPMS light it may be that the sensors are not even present or they just need to be programmed, theres a DIY on here on programming the sensors check it out
also please post up if you get the issues resolved and good luck!
In my experience just the "VDC Off" and "Slip" lights go off when fluid is low. I believe that has been the experience of many other people on this forum as well. If you experience has been different I would suspect that it may for a different year, but I can't remember anyone reporting the red "Brake" light indicating low fluid. Please post the year of your car as it may be an issue on newer years and will assist others who read your post
You could be right. However it's my understanding that all cars have a brake fluid level sensor in the master cylinder. When the brake fluid is low the sensor gets triggered and a red BRAKE warning light will illuminate. This is the same red BRAKE light that illuminates when you engage the parking brake.
Im basing it off of experience working at a dealership as a technician for Toyota. Perhaps Nissans/Infiniti are different
it's possible that the wheel speed sensor is damaged, faulty or has metal debris on it due to the bad wheel bearing.
also you said the car is a rebuilt title and has a new wheel bearing. Was the car in a accident? Where did it get hit and which wheel bearing was replaced?
Last edited by qmantran; Oct 30, 2018 at 07:59 PM.
You could be right. However it's my understanding that all cars have a brake fluid level sensor in the master cylinder. When the brake fluid is low the sensor gets triggered and a red BRAKE warning light will illuminate. This is the same red BRAKE light that illuminates when you engage the parking brake.
On the 09 and older models (with the red and blue gauges) (as the op posted above), the parking brake light is a symbol that looks like this: "(0)" in red, on the newer ones the parking brake light is the word "BRAKE" in red (which I believe is what you have).
Its definitely not as as intuitive as on some other brands such as Toyota, but on these cars its the combo of "VDC" and "Slip" lights for whatever reason Nissan decided and the "Brake" and "(0)" lights are just for the parking brake lol
You could be right. However it's my understanding that all cars have a brake fluid level sensor in the master cylinder. When the brake fluid is low the sensor gets triggered and a red BRAKE warning light will illuminate. This is the same red BRAKE light that illuminates when you engage the parking brake.
Im basing it off of experience working at a dealership as a technician for Toyota. Perhaps Nissans/Infiniti are different
it's possible that the wheel speed sensor is damaged, faulty or has metal debris on it due to the bad wheel bearing.
also you said the car is a rebuilt title and has a new wheel bearing. Was the car in a accident? Where did it get hit and which wheel bearing was replaced?
wheel bearing replacement was the front right. The sensor was not damage and did not get damaged. Also my car has the red brake light symbol when I engage the foot brake. It has never been on. Rear brake pads are at about 40% life left. I topped up all fluids when I purchased the car and did several ECU resets since then. I am just asking if there might be an issue with the cluster or any wiring or I should just tackle each problem individually? Also a link to how to replace awd transmission fluids and troubleshoot/reset abs sensors would be awesome thanks for the fast input you guys have given me. It's highly appreciated.
wheel bearing replacement was the front right. The sensor was not damage and did not get damaged. Also my car has the red brake light symbol when I engage the foot brake. It has never been on. Rear brake pads are at about 40% life left. I topped up all fluids when I purchased the car and did several ECU resets since then. I am just asking if there might be an issue with the cluster or any wiring or I should just tackle each problem individually? Also a link to how to replace awd transmission fluids and troubleshoot/reset abs sensors would be awesome thanks for the fast input you guys have given me. It's highly appreciated.
you can't assume there is a issue with the cluster and you can't fix each problem individually when you don't even have a clue why the lights are on.
go take it to a shop that has a scan tool that can scan for abs codes than start from there.
you can't assume there is a issue with the cluster and you can't fix each problem individually when you don't even have a clue why the lights are on.
go take it to a shop that has a scan tool that can scan for abs codes than start from there.
I'm very mechanically inclined I've built several cars in and out. I know based on my research that the slip/awd go hand in hand sometime due to low transmission fluid or different tire sizes . Abs and vdc are sometimes due to a bad wheel bearings or bad sensors. I am just wondering if anybody has suffered this issue before. I spoke to a good friend of mines that very familiar with these cars and he mention something about a harness or plug behind the dash that burns when the vehicles get in an accident. Do you know anything about that?
either way I agree I need to take it to someone with a capable scanner so I wont replace unnecessary stuff. Thanks again.
sorry bud, I've never heard of a harness or plug behind the dash that burns when the vehicles get in an accident
looks like you're on the right track starting with Qman's suggestion to get it read with a capable scanner let us know how it works out...
btw, harbour freight has ABS and TCM capable scanners for about $160.00 with coupons and you can get scanners for about $180-200 for the ones that do everything off ebay the only caveat is that they may be shipped from china
Quick update I ran the codes and the were no check engine codes. There were a bunch of air bag codes but it's irrelevant. 3 of my tpms sensors are bad and the front left speed sensor is bad which is the cause for the lights. Do you guys have any experience with cheap Chinese speed sensors?
glad you got he codes ran, I don't have any experience with Chinese speed sensors, but used OEM ones are plentiful on Ebay for both the TPMS and the speed sensors and re usually cheaper anyways...I have bought multiple sets of used TPMS sensors on ebay for my G for about $50/set and have never had problems. they usually come with brand new stems and a bit of warranty, I would get them over new aftermarket.
Update on this issue. I bought a $10 Chinese speed sensor and all the lights when off. The transmission would also kick and that got resolved as well. Just installed springs and waiting on new wheels to come in next week to fix Tpms light. Thanks everyone for your help.
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