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05-28-2009, 10:06 AM | #109 |
Drives: 09 Yaris 3 Dr White LB Join Date: Mar 2009
Location: PA
Posts: 432
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05-30-2009, 06:57 AM | #110 |
Drives: 09 Yaris 3 Dr White LB Join Date: Mar 2009
Location: PA
Posts: 432
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I finally got it to work after cutting about half the waires off, I am using a different 12V source and the voltage divider, the TPMS unit is unplugged. Not pretty but does work. CTScottt mentioned there is a regulated 4V signal coming out of theTPMS uit, I couldn't find one on my 09 only a 6V.
Last edited by regal; 05-30-2009 at 07:59 AM. |
05-30-2009, 07:31 AM | #111 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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05-30-2009, 07:49 AM | #112 |
Drives: 09 Yaris 3 Dr White LB Join Date: Mar 2009
Location: PA
Posts: 432
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05-30-2009, 01:45 PM | #113 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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My '07 & 2 '09s have normal headlights that you have to turn on, no DRLs. (Thankfully!) Must be a state law thing.
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07-07-2009, 06:31 PM | #114 |
~ ambient one ~
Drives: 2009 Bayou Yaris Liftback Join Date: Jan 2007
Location: Long Island, NY
Posts: 1,046
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Sedans don't get the DRL options like the lifback. My old '07 had them as well as my new '09.
I did the switch today. I had to leave it dangleing because I don't think the quick connects (splicers) made a solid cut through the facotry wires. I'll get to it eventually lol.
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07-07-2009, 08:18 PM | #115 | |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
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Quote:
Here's an even easier method that I figured out one day. I just haven't gotten around to writing up a DIY on it: |
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07-07-2009, 11:54 PM | #116 |
~ ambient one ~
Drives: 2009 Bayou Yaris Liftback Join Date: Jan 2007
Location: Long Island, NY
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So now we are back to three wires? I did the heat shrink and all with the 150ohms.
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07-08-2009, 08:00 AM | #117 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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It's not cutting the VSS and ESS wires (like the original started with). In doing some reverse engineering of the TPWS, I realized that it has a regulated 5VDC output that powers the radio receiver module. Tapping the white wire in pin 5 gives us this regulated voltage, so the resistor voltage divider isn't necessary. Both methods work, but this one is a bit more simple.
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07-28-2009, 11:01 AM | #118 |
Scrubble with a poke.
Drives: 2009 Yaris LB Join Date: Jul 2009
Location: Holland PA.
Posts: 166
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I just took off my rims, I will be doing this in a little to get the light off permanently.
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07-28-2009, 11:29 AM | #119 |
Drives: 09 Yaris 3 Dr White LB Join Date: Mar 2009
Location: PA
Posts: 432
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I found my 09 to have completely different colors, I used a DMM to find the right wires.
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07-28-2009, 11:38 AM | #120 |
Scrubble with a poke.
Drives: 2009 Yaris LB Join Date: Jul 2009
Location: Holland PA.
Posts: 166
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I re read this thread and realize I am not even close to competent to do this lol.
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"If you cannot find truth right where you are, where else do you expect to find it?" Dogen |
07-28-2009, 11:45 AM | #121 |
Drives: 09 Yaris 3 Dr White LB Join Date: Mar 2009
Location: PA
Posts: 432
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learn how to use a DMM they cost like $6 at harbor freight, use the resistors to split a 12V line to 5V and send to the indicator light.
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07-28-2009, 11:51 AM | #122 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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Just look at post #115 above. As long as your wire colors/positions match up, it is quite simple, especially if you do the non-switch version. Basically, you clip one wire and tap it to another.
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08-19-2009, 10:06 PM | #123 |
Drives: 2008 Red Yaris LB Join Date: Nov 2008
Location: Hicksville, LI
Posts: 125
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ehh I did the resistor thing anyway, so basically the resistors was just for a 5v dc?
Doesn't matter soldering is fun Anyways you da man CT |
08-29-2009, 01:00 PM | #124 |
Drives: 08 liftback 5spd Join Date: Oct 2008
Location: adirondacks, ny
Posts: 220
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i just completed this in 90 seconds with a pocket knife.
it'll take another 30 seconds when i have a piece of tape to finish. |
09-22-2009, 02:15 PM | #125 |
I've made a post!
Drives: 08 Yaris Join Date: Sep 2009
Location: Kelowna BC
Posts: 1
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CT Scott:
Great thread. Using your scematic, I did the fix in 30 mintues. Thanks! |
09-23-2009, 01:12 PM | #126 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Hmm I bought a rim for my Yaris with a useable tire but no sender. What happens if the warning light goes off! Ok to put tape over it?
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