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11-19-2008, 07:30 PM | #1 |
Drives: '07 Yaris 3D HB Auto Join Date: Jul 2007
Location: Cal
Posts: 44
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DIY: Unlink A/C from Defroster
My first DIY post.
Total Time: 7 mins (if you know what you're doing)Tools: Small flathead screwdriver to disconnect wire harness and push in the little clips that holds the plastic pieces together. (But not required. I could have done it with my keys or just my fingers.)Follow instructions for changing the LED to access the back of the vent dial. Everything comes apart really easy. http://www.yarisworld.com/forums/sho...light=led+dash On the back of the circuit board (the one with the A/C button), there is a momentary switch (momentary means it requires continuous pressure to be closed) with a little metal arm. I know this description is vague, and I'm sorry I don't have pictures, but there's nothing else on the back and once you're there, it'll be obvious. Bend the metal arm a few times and it breaks right off. Presto! No more annoying A/C with defrost. Reassemble. How it works: the back plastic piece has a ridge that engages when the vent knob is in the defroster mode. The ridge presses on the metal arm to trigger the momentary switch. No metal arm means the ridge can't trigger the A/C switch. For the belt and suspender people to check you have the right switch (which is what I did), you can turn on the car and press the switch and see if the A/C turns on. It's easiest to tell when the car is fully warmed up since the difference in idle speed between A/C off and A/C on is very noticeable. I also had a scangauge to check fuel flow, but you can open the hood and check the condenser fan. Tips:
Man, this mod made my week. I've been pissed at my defroster for so long. Maybe someone can post pics. I don't have a digi-cam. Though, the knob has a few sticky points. I didn't pay enough attention before to know if I made it stickier or it has always been this way. I can't think of anything I did that would affect the smoothness of the knob. |
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