A/C Issues - 93 GS300
#17
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Originally Posted by EG8
Thanks I fingered it out. Its code 21. What is that ?
You rock![Rock On](https://www.clublexus.com/forums/images/smilies/rockon.gif)
You rock
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Last edited by turbogs300; 08-11-05 at 08:35 PM.
#18
Lexus Champion
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Originally Posted by turbogs300
Solar sense circuit
Did you do the test outside in the sunlight, or with an electric light overhead? If not then it's not the code 21. If it is solar sensor, check for 5volts dc between wires R/Y and G/B on the back of the A/C control assembly , if no voltage replace a/c control assembly. if voltage replace sensor.
![Cool](https://www.clublexus.com/forums/images/smilies/cool.gif)
Also what would make the sensor work intermittantly ?
Thanks alot for your help. The lexus dealership wanted 212 bux to look at it. They would have prob. done the same thing you told me to do.
#20
Lexus Champion
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Originally Posted by turbogs300
You misunderstood, it's need to be tested in the sunlight or with a bright overhead light (shop light) or you'll get the code 21. So doublecheck it in the "light". ![Cool](https://www.clublexus.com/forums/images/smilies/cool.gif)
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#22
Lexus Champion
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Originally Posted by turbogs300
Yes, On top of the dash near the glovebox, I believe ![Wink](https://www.clublexus.com/forums/images/smilies/wink.gif)
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#23
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Originally Posted by EG8
Ok so now that I jacked this thread officially
I checked the code outside in the sunlight and it flashes 00. I dont know if that means theres no code or if that is a code. Whats wierd is that the problem is intermittant. The AC will work for a while then stop, I turn the ac off and wait a minute and its working again ? I have a R134 pressure gauge, and it reads full. What gives ?
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#24
Lexus Champion
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turbogs300, I finnaly went to check the reading last night and it occoured to me that I dont know which is the high and which is the low side ? Is the low side the one you fill ?
#25
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Originally Posted by EG8
turbogs300, I finnaly went to check the reading last night and it occoured to me that I dont know which is the high and which is the low side ? Is the low side the one you fill ?
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#26
Lexus Champion
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Originally Posted by turbogs300
That's correct , it should be larger in diameter than the hi side line and cool to the touch when the ac is on. ![Wink](https://www.clublexus.com/forums/images/smilies/wink.gif)
![Wink](https://www.clublexus.com/forums/images/smilies/wink.gif)
I didnt get the temp. Ill do that tonight.
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