Nissan Precollision warning -no codes?

Gery Diagnostician Florida Posted   Latest   Edited  
Resolved
Autonomous Vehicles
2019 Nissan Rogue SV 2.5L (QR25DE) (RE0F10D) — JN8AT2MT4KW252995

Hello fellow techs. This Nissan had a hood and windshield replaced. The pre-collision is flashing however there are no codes in any modules. I drive the car and cruise control works(standard cruise) but I noticed the lane assist did not. I realize that camera calibration is recommended after windshield replacement but can the lane camera on the windshield cause the Precollision to flash even though there are no codes?

I’m not gonna lie, I did radar calibration but not camera cause I didn’t have the targets with me. Coming back tomorrow and just trying to be proactive. Not sure why flashing error but no codes.

0
Helpful
Keith Diagnostician
Oklahoma
Keith
 

Get a Consult R2R subscription and check the codes in the modules that the Autel doesn't talk to. That's a guess, but it's impossible to help without that happening first.

+1
Ð Awarded
Agree
Gery Diagnostician
Florida
Gery
 

Thanks Keith. Gonna get the subscription in the morning and see what’s going on.

0
Ð Awarded
Rogelio Owner/Technician
Texas
Rogelio
 

Check the mounting position of the windshield camera. Usually I see the back isn't sitting in these triangular shaped grooves. You'll notice when you pop it in correctly it has quite a bit of resistance, but it will pop in just fine. After that just drive the vehicle on a well l marked road, light will clear itself within 10 minutes usually.

0
Ð Awarded
Gery Diagnostician
Florida
Gery
 

Thanks Rogelio. You are correct it was not mounted correctly. The triangle tabs on the bottom weren’t in there place. I mounted it correctly but the light is still on. Gonna go with consult3 and attempt calibration and driving.

0
Ð Awarded
Cody Diagnostician
Illinois
Cody
 

I haven't experienced it myself but i've been to class that had a similar issue and it turned out to be an aftermarket windshield was installed. they replaced the windshield with an OE and the problem went away. just my 2 cents.

+3
Ð Awarded
Agree
Gery Diagnostician
Florida
Gery
 

Thanks Cody. Gonna attempt calibration and if not gonna recommend oem windshield. It is an aftermarket windshields.

0
Ð Awarded
Erik Diagnostician
Florida
Erik
 

It’s rare that there are no codes and an issue with LDA. Speaking on a Toyota import side of things normally it will come with an out of calibration or Axis calibration undone. I’m in agreement with Keith make sure the scan tool you use is as close to OEM. Simple re-calibraiton may be all it needs. I’d ask if the camera got changed. My experience almost all body shop/ aftermarket places thinks…

+1
Ð Awarded
Gery Diagnostician
Florida
Gery
 

Thanks Erik gonna try calibration with consult 3.

0
Ð Awarded
Rick Owner
Michigan
Rick
 

I believe there is a distance sensor attached to the bumper system. Maybe a little more then a Hood and windshield was replaced. Check for proper aiming of the distance sensor. Just a guess

0
Ð Awarded
Gery Diagnostician
Florida
Gery
 

Thanks Rick. Yes I did do the radar calibration but it’s still flashing.

0
Ð Awarded
Rogelio Owner/Technician
Texas
Rogelio
 

Circled in blue are the triangle alignment marks. Usually they won't be flush with bracket. In red usually this is below the windshield bracket. So module needs to be installed as to where the front of the module slips in first, then the back clips in.

+2
Ð Awarded
Helpful
Gery Diagnostician
Florida
Gery
 

You’re right. The camera wasn’t mounted correctly so gonna try calibration and test drive. If that doesn’t work gonna recommend oem windshield

0
Ð Awarded
Chris Owner/Technician
Alabama
Chris
 

I believe the camera calibration is REQUIRED not just recommended.

+3
Ð Awarded
Agree
Rogelio Owner/Technician
Texas
Rogelio
 

Yes sir. On the ones where I had this issue I still Calibrated after the issue was resolved. But there where a few where the shop did not approve a calibration and wanted to see what would happen on its own. Advised against this route but usually the customer was paying out of pocket and wanted to avoid an issue with the glass company. Even on those I never got a call back with an issue.

0
Ð Awarded
Kevin Technician
Tennessee
Kevin
   

I've seen this issue if the windshield is not polarized correctly

0
Ð Awarded
Louie Technician
New York
Louie
 

I’ve experienced this before no fault codes even when using a consult 3 .try this bulletin.

0
Ð Awarded
Gery Diagnostician
Florida
Gery
 

Thanks Louie for the bulletin. Makes sense since the camera wasn’t mounted correctly

0
Ð Awarded
Chris Owner/Technician
Alabama
Chris
 

Did you drive it after the windshield calibration or did you do radar as well before test drive. We’re there pre-scan codes? I think you said this was from a body shop. Both windshield and radar did calibrate successfully? If you can’t figure it out after the next steps you stated. Reach out to me , think I can help you. I think you are doing a lot of unneeded work BUT I might be wrong with…

0
Ð Awarded
Caleb Diagnostician
Indiana
Caleb
 

If it was mounted incorrectly then it needs a calibration. Do the cal and see were you are after that.

0
Ð Awarded
Christopher Diagnostician
Florida
Christopher
 

Don't know what you were using to scan or why it wouldn't show dtc but a slow flashing collision warning light indicates a c25xx code indicating a rationality of the camera . Overtemp,obstructed etc. Don't overlook steering angle once you have centered the car for distance sensor or lane camera aiming also. Lane camera rationality faults once repaired, require a 10 minute key off to cycle fault…

0
Ð Awarded
Kevin Technician
Tennessee
Kevin
 

Just to give you a tip. I cant really say about Nissan and before you go deep into this thing, I went through hell in a similar situation you are in now over an aftermarket windshield when I used to work at Hyundai. I could not see any visible defects in it and was clear and I spent hours trying to get it to relearn or “see” the target where it was suppose to be at. Eventually I had the company…

0
Ð Awarded
Gery Diagnostician
Florida
Gery Resolution
 

Thanks guys for all the replies. I did the camera calibration with consult and all is well. There were no codes even with consult. I believe the issue started with the camera not being mounted correctly. On a side note, shop called me and said the customer said it happened again for a few seconds. I told them they have to start with an oem windshield. Thanks again,Gery

+1
Resolution Ð Awarded