Headlight wiring

Tiny
STJOHN MICHELLE
  • MEMBER
  • 2014 TOYOTA COROLLA
  • 2WD
  • AUTOMATIC
  • 56,000 MILES
My headlights on my car stop working. I only have bright lights; no daytime running lights or low lights working. Please help!
Saturday, September 28th, 2019 AT 3:29 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

There are 10 fuses that run the headlight system through the main body ECU (BCM). Here is a guide to help check the fuses and the headlight wiring diagrams so you can see how the system works and what fuses to check:

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

If all fuses are good I have included how to replace the BCM. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Sunday, September 29th, 2019 AT 4:54 PM

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