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My light out warning light keeps coming on?

Tiny
LEFTHANDER12324
  • MEMBER
  • 1989 TOYOTA CAMRY
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 158,000 MILES
My warning light keeps coming on. To warn me theres a light out. But theres no lights out. I notice it only comes on when I step on brake pedel. Restart the motor it goes out, comes back on hit brake pedel. Some times it go off for a few weeks then come back on.
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Thursday, October 30th, 2008 AT 10:52 PM

2 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More than likely you have an issue with the light failure sensor.

I am attaching the wiring diagram below that will help with this, but we need to check the voltage on each of the wiring coming out of it.

Basically, on pin 3 you should have no voltage and if you do then more than likely the resistor inside the unit has failed and it needs to be replaced.

Here is a guide that will help with this:

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please run through this and let us know what questions you have and what you find.

Thanks
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Saturday, November 13th, 2021 AT 9:12 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I just went through two manuals and neither shows the location. So, from memory, if you open the trunk, it should be behind the left side insulator. It will be a yellow box approx. 3"x3".

I attached a pic below of what you are looking for. Let me know if this helps.

Take care,

Joe

See pic below.
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Sunday, July 10th, 2022 AT 8:42 PM

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