LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

AC/condenser fans questions!

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Old 05-14-09, 10:47 PM
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Do.Man
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Default AC/condenser fans questions!

how does the fans turn on?? by that i mean when is it suppose to turn on.
everytime i rev past 1000 rpm they turn on and when i let off the gas it trns off.
what could be the problem.
both the fans in front of the radiators turns on at the same time when this occurs.
could this be cause by faulty relay?? ECT sensor?
its bugging the ***** outta me.
no overheating problem at all.
just that its not quiet anymore due to those fans runnning..
help please!!
Old 05-15-09, 12:08 PM
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3UZFTE
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Is your AC on at this time? Try turining it off, and see if you get the same results? Did you check over any of the wiring?
Old 05-15-09, 04:24 PM
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Do.Man
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no, the ac is not on when this is happening.
i am trying to figure out which wires to check and the location.
i dont really know where to start. =/
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