
11-20-2007, 10:09 PM
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Junior Member
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Re: DIY: How-To-Enable DRL – 2007 Tundra
Quote:
Originally Posted by BigO.
Great post. Can you answer another question?
I HAVE drls and the auto lights on my truck. When the truck sits overnight and I turn it on in the morning the DRLS don't come on with it idling, in park, with parking brake on. Once I put the truck in Drive and pull the parking brake the lights come on. BUT after getting to work and engaging the parking brake and shifting it to park the DRLs stay on. Is their a timer on them? Even if i turn the truck off and turn it back on the drls come back on with the parking brake engaged and the shifter in Park.
Thanks
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My guess is you also have the Auto Lights Off Feature on your truck. There are several parameters that can be set which control when and how the light turn off automatically.
I believe your truck has the 30-second timer set.
1. If that is the case, after you shut the key off, remove key, open at least one door, close all doors and then lock all the doors. All lights should go off automatically within 30 seconds.
2. There is a sub-option that can be set when the 30 second timer feature is activated, “Off on Double Lock”
To test to see if it is set on your truck do all of the above, (shut key off, remove key, open and close at least one door, close all doors, lock all doors) then lock the doors a second time using the remote door lock key fob.
If this option is set, all lights will go out immediately, without waiting the 30 seconds, once you lock the doors a second time with the remote.
3. There is a third sub-option that can be set, which will turn off all the lights immediately when the key is shut off and removed and the drivers door is opened.
I believe you have the 30 second delay set on your truck, and that timer has not expired or has not been reset by other means, and that is why the Running Lights are coming back on when you start it back up right after shutting it off even though you have the parking brake and tranny in park.
I do not know this for sure, but that is the best I can come up with given the inadiquite functional description in the factory service manual.
I honestly believe this section of the manual was written first in Japanese and then translated to English. It is very poorly written and extremely hard to make heads or tails out of. (I should know I am an expert at poorly writing things myself.) But in truth, it is very hard to understand.
Hope this helps,
Frank
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