View Full Version : Does any 1 know how to get fog lights on at the same time as parking/low/high beams?
spiceyhotwings
07-09-2011, 05:00 AM
I have a 2009 Yaris RS
I can only run my OME fog lights when the low beams are on. They won't turn on in the parking light or high beam mode.
What must be done so that I can turn on the fogs in any (parking/low/high beam) mode?
CTScott
07-09-2011, 09:02 AM
With you OEM fogs, if you have the headlight stalk with the fog switch on the tip of it,
you can allow them to turn on in any headlight mode by cutting the wire in pin 4 of the headlight stalk connector (which is at the base of the stalk on the column). Cap off the harness end of the wire and tap the connector end to the wire in pin 13. This will allow them to turn on with the parking lights, low beams or high beams.
http://i372.photobucket.com/albums/oo163/ctscott329/Misc%20Yaris/D4-Wires.jpg
spiceyhotwings
07-09-2011, 03:14 PM
My fog light connector looks different than the one in the pic or it seems
that I can't find one that looks like that.
My connector has 2 signal and 2 fog light pins on the top row.
It has 2 parking lights and I believe 2 side marker pins on the bottom row.
It might be the same as the one in your yaris.
CTScott
07-09-2011, 03:35 PM
My fog light connector looks different than the one in the pic or it seems
that I can't find one that looks like that.
My connector has 2 signal and 2 fog light pins on the top row.
It has 2 parking lights and I believe 2 side marker pins on the bottom row.
It might be the same as the one in your yaris.
That's not the fog light connector that I am showing, it is the headlight stalk connector. Does you Yaris have the foglight switch on the tip of the stalk or is it a separate console mounted switch?
spiceyhotwings
07-09-2011, 03:43 PM
Where does one find this headlight stalk connector?
I might not be looking at the right spot.
My fog light on/off switch is on the signal arm just to the right of the low/high beam toggle.
All the functions seem to be on that one arm.(signals,high beam on, low beam, fog on/off switch, parking lights.)
CTScott
07-09-2011, 03:47 PM
Where does one find this headlight stalk connector?
I might not be looking at the right spot.
My fog light on/off switch is on the signal arm just to the right of the low/high beam toggle.
All the functions seem to be on that one arm.(signals,high beam on, low beam, fog on/off switch, parking lights.)
That's the "arm" or "stalk" I am talking about. Follow it down to under the steering column cover and you will find the connector. There are three screws that you have to remove to remove the lower steering column cover. Two are under the steering wheel (rotate the steering wheel about 45 degrees in either direction and you will see them). The thirds is next to the lever for adjusting the steering wheel height.
spiceyhotwings
07-09-2011, 06:08 PM
Hi....I tried doing this and it didn't work. I hooked everything back to normal and am going to settle with the factory setting.
The only problem now is I think I blew the fog light fuse, because my fog lights don't work now.
I can't seem find the fuse box that houses the fog light fuse.
It's not in the one under the hood and my manual says it's under the instrument panel, but I can't find the fuse box.
I will be happy just to find the fuse box and get my fog lights working again.
Could you please give me any advise on how to find this fuse box.
CTScott
07-09-2011, 06:16 PM
Hi....I tried doing this and it didn't work. I hooked everything back to normal and am going to settle with the factory setting.
The only problem now is I think I blew the fog light fuse, because my fog lights don't work now.
I can't seem find the fuse box that houses the fog light fuse.
It's not in the one under the hood and my manual says it's under the instrument panel, but I can't find the fuse box.
I will be happy just to find the fuse box and get my fog lights working again.
Could you please give me any advise on how to find this fuse box.
That definitely should have worked if you understood my directions.
The FOG fuse is in the under dash fuse panel, literally under the bottom of the dash behind the lever that opens the hood.
formulation
07-31-2011, 03:21 AM
Just to be clear, by cutting the wire in pin 4 of the headlight stalk connector and capping off the harness end of the wire, this wire is just removed from the circuit. Then tapping (splicing) the end of the cut wire from pin 4 to the wire in pin 13 will allow them to turn on with the parking lights, low beams or high beams.
Thanks
CTScott
07-31-2011, 09:29 AM
Just to be clear, by cutting the wire in pin 4 of the headlight stalk connector and capping off the harness end of the wire, this wire is just removed from the circuit. Then tapping (splicing) the end of the cut wire from pin 4 to the wire in pin 13 will allow them to turn on with the parking lights, low beams or high beams.
Thanks
Correct
spiceyhotwings
09-07-2011, 12:50 AM
http://www.toyota-tech.eu/aimuploads...01%20190-1.pdf Do you know if the part (N) on page 7 of 35 is a fuse? I fried my fog light relay and have checked all the fuses and still can't get them to work. I was wondering if part (N) was a fried fuse and if I replaced it would it get my fogs back running. If that doesn't work I was planning to put in a new aftermarket relay system.
CTScott
09-07-2011, 07:43 AM
http://www.toyota-tech.eu/aimuploads...01%20190-1.pdf Do you know if the part (N) on page 7 of 35 is a fuse? I fried my fog light relay and have checked all the fuses and still can't get them to work. I was wondering if part (N) was a fried fuse and if I replaced it would it get my fogs back running. If that doesn't work I was planning to put in a new aftermarket relay system.
Part N is the fog light relay. Did your Yaris have daytime running lights?
spiceyhotwings
09-07-2011, 09:00 AM
yes it does have DTL.
CTScott
09-07-2011, 09:06 AM
yes it does have DTL.
Can you snap a picture of how you have things wired? You said that you "fried the relay". If you are asking if N is a fuse (where it is actually the relay), what relay did you actually "fry"?
spiceyhotwings
09-07-2011, 08:16 PM
I actually don't know what got fried. It's a 2009 RS with daytime lights. It is all stock pre-wired OEM fog lights. I tried to get the fogs to work with low or high beams on by cutting the 4 wire on the headlight stalk connector and splicing it to 13. That didn't work.The problem was that because of the 2009 RS model wires looked different in color from what you had posted. I tried touching the 4 wire to other pins to see if I could get it working that way and that's when something got fried. I checked all the fuses and they seem to be fine. Now I was wondering if I remove the part (N) could I test it to see if it is fried? Maybe if I replaced part (N) that would get my fogs and dashboard indicator to work again. If all else fails, I'm gonna wire up the fogs the old school way. I just better not forget to turn off my fogs. I will try to get a photo but I'm not sure how to post it here.
CTScott
09-07-2011, 10:08 PM
I actually don't know what got fried. It's a 2009 RS with daytime lights. It is all stock pre-wired OEM fog lights. I tried to get the fogs to work with low or high beams on by cutting the 4 wire on the headlight stalk connector and splicing it to 13. That didn't work.The problem was that because of the 2009 RS model wires looked different in color from what you had posted. I tried touching the 4 wire to other pins to see if I could get it working that way and that's when something got fried. I checked all the fuses and they seem to be fine. Now I was wondering if I remove the part (N) could I test it to see if it is fried? Maybe if I replaced part (N) that would get my fogs and dashboard indicator to work again. If all else fails, I'm gonna wire up the fogs the old school way. I just better not forget to turn off my fogs. I will try to get a photo but I'm not sure how to post it here.
There's a sticky thread on how to post pictures, but in a worst case, you can PM me for my email address and then just email me the pics.
You can test the foglight relay with an ohm meter. One pair of terminals should be about 70 ohms and the other pair should be open (infinite resistance). The typical failure mode of a relay is for the coil to fail and in that case both sets of terminals would read as open.
spiceyhotwings
09-07-2011, 10:32 PM
How and can the relay (part N) be easily removed? If it does happen to be fried,would replacing it with a new one solve my non functioning fog lights and fog light indicator?
CTScott
09-07-2011, 11:22 PM
How and can the relay (part N) be easily removed? If it does happen to be fried,would replacing it with a new one solve my non functioning fog lights and fog light indicator?
The relay just pulls out of its socket. If it is bad, then it could cause all of the symptoms you are seeing.
spiceyhotwings
09-08-2011, 03:27 AM
Is the relay light blue and have the part # 90987-02027 on it? If so then I have the right part.
CTScott
09-08-2011, 07:58 AM
Is the relay light blue and have the part # 90987-02027 on it? If so then I have the right part.
Yes
spiceyhotwings
09-09-2011, 04:03 AM
The relay had a reading on one pair of terminals and the other pair of terminals did not register a reading at all. Does that mean that the relay is good or bad?
CTScott
09-09-2011, 07:41 AM
The relay had a reading on one pair of terminals and the other pair of terminals did not register a reading at all. Does that mean that the relay is good or bad?
That would theoretically mean that it is good.
ggrieco
05-20-2012, 10:48 AM
Hey Scott,
I tried your mod for havong the fogs run independent from the other lights and it did not
work. I also noticed a similar post that says to splice the orange wire at pos 4 to the white wire at pos 13.
What gives.
Gary
CTScott
05-20-2012, 10:58 AM
Hey Scott,
I tried your mod for havong the fogs run independent from the other lights and it did not
work. I also noticed a similar post that says to splice the orange wire at pos 4 to the white wire at pos 13.
What gives.
Gary
You've got too many threads going now on this, but as far as the pin 13 versus others go, there are many ways to skin the cat. Jumping to 13 makes the fogs only work when the headlights are on (but with either high or low beam), whereas normal operation is only with low beams and grounding makes them work at any time, even without the headlights.
spiceyhotwings
05-20-2012, 08:51 PM
http://www.toyota-tech.eu/aimuploads/%7b7A33F18B-65E7-4AA5-777C-843D63C465E7%7d/Front%20fog%20lamps%20PZ457-B0512-00%20AIM%20001%20190-1.pdf
Check it out, it might help you out too.
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