Headlights not working

Tiny
SHEREF
  • MEMBER
  • 2009 NISSAN SENTRA
  • 94,000 MILES
I have a problem only in the low beam light only at the drivers side it is not working, however the high beam is fine.
Wednesday, July 19th, 2017 AT 10:08 AM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuses in picture. if not that then do a CAN scan for codes as it may be a body module problem. Here is a video that shows how.

https://youtu.be/InIlnsjOVFA

You can get a CAN scanner for $40.00 on Amazon
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Wednesday, July 19th, 2017 AT 3:40 PM
Tiny
SHEREF
  • MEMBER
  • 3 POSTS
I checked and replaced the fuse but nothing changed
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Monday, July 24th, 2017 AT 8:25 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

There are several fuses and relays that work the system. Here are some guides and diagrams (Below) that will help you get the problem fixed.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken
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Monday, July 24th, 2017 AT 7:13 PM
Tiny
SHEREF
  • MEMBER
  • 3 POSTS
  • 2009 NISSAN SENTRA
  • AUTOMATIC
  • 94,000 MILES
First the left side low beam did not work although the high beam is working. I checked the fuses they were fine. Now the tail light on the left side is also not working at all.
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Monday, August 7th, 2017 AT 3:53 PM (Merged)
Tiny
REY-GTS
  • MEMBER
  • 1 POST
Thanks for this post I had this problem and had to get a new IPDM which cost $176.00 all fixed I love this site.
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Tuesday, November 5th, 2019 AT 2:57 PM
Tiny
JFF_KOCH
  • MEMBER
  • 2 POSTS
  • 2002 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 10,300 MILES
Both low beams not working. Left and right headlights are fused separately (under the hood), fuses are good, and high beams work. Bulb APPEARS to be a single unit for both beams. Could this be a faulty switch, and if so, do I need a pro to replace it? Also, fog lights work but go out with high beams on. Is this normal?
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Tuesday, November 5th, 2019 AT 2:59 PM (Merged)
Tiny
JFF_KOCH
  • MEMBER
  • 2 POSTS
I bought one headlight and replaced it on the left side - it worked. I tried it right side - it worked. Although the light APPEARS to be a single unit it actually has separate elements for low and high beams. Turns out both headlights failed at the same time! Replaced both - works fine, $36.00 fix.
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Tuesday, November 5th, 2019 AT 2:59 PM (Merged)

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