The low beam suddenly went out. The high beams work fine?

2004 TOYOTA HIGHLANDER
130,000 MILES
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ANONYMOUS
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  • 1 POST
The low beam suddenly went out. The high beams work fine. I checked the bulbs and fuses. They are ok. Could the problem be the relay? I have not checked the switch. I do not know how to get into it.
Dec 31, 2012 at 6:29 PM
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SATURNTECH9
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If both low beam bulbs and fuses have been checked and found to be in working order, the next possible culprit could indeed be the relay.
Dec 31, 2012 at 6:35 PM
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JAVIERMARTINEZ
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Hello, never got the end result of this issue. I'm having the same issues on the same vehical. I do have a multi meter and i have tested passenger receiving 12v. driver side nothing. high beam, yellow light and fog light all work. driver side is dead. fuses are all good. i even purchased a new relay headlight switch and had no change. please help
Jan 15, 2013 at 11:34 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
So just the low beam driver side is inop?
Jan 15, 2013 at 5:42 PM
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CRAZYFROGZ
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I have the same issue, but mine it the passenger side, up on replacing the bulb after receiving the car , I noticed someone packed a bunch of grease in it, So not I am assuming that the connector can possible be bad, itself, so if u could send me some of the diagrams or videos to help change the connector. I would appreciate it.
May 30, 2023 at 4:02 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,224 POSTS
It could be a bad fuse, relay or the bad body ECU. here is a guide to help you test for power so you can see where it loses it at, and the headlight wiring diagrams in the images below.

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

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.


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Jun 1, 2023 at 6:51 AM
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