GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Heating not the same temp on driver and passenger sides

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Old 12-31-07, 03:30 PM
  #46  
darrylg33
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Thanks drewmack, every bit of info helps--it's worth a shot
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Old 12-22-08, 06:12 PM
  #47  
99GSThree
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Originally Posted by gs-ireland
Has anybody tried the auto-calibration????????????????

Its a piece of cake to do (non-nav cars).

Step 1.
Turn on ignition lights ONLY when holding the AUTO + RECIRC buttons together. Any error codes will appear. 21 & 24 will appear if it is dark out(solar sensor).
Step 2
Press RECIRC and let the system do the auto-calibration cycle. Let this run 2-3 times, turn ignition OFF then start her up and see if it works!!!
I know this is an old thread. I am having an issue with no air from lower vents. I tried your recommendation with the "auto calibration" function. Got a code 23...anyone know what that means???? I got some good info in another thread but i figured i'd try this too. Thanks!!
Old 06-14-10, 10:29 AM
  #48  
99GS4
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I started my GS4 the other day and nothing but hot air blows out of both driver and passenger zones. Is it possible both servo motors went out at the same exact time? Is there a fuse for the servo motors? I got code 00 from diagnostics, refrigerant pressure is good, clutch is engaging? Any ideas?
Old 06-14-10, 02:29 PM
  #49  
RONSKI23
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This also happens with my GS - also, when I start the car - there is a weird noise that comes from the middle vents and it goes for like 20 seconds. Sometimes when I change the MODE - it comes back even louder - sounds like something is stuck.

Anyone else has this issue?
Old 06-14-10, 02:53 PM
  #50  
sakataj
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Originally Posted by 99GS4
I started my GS4 the other day and nothing but hot air blows out of both driver and passenger zones. Is it possible both servo motors went out at the same exact time? Is there a fuse for the servo motors? I got code 00 from diagnostics, refrigerant pressure is good, clutch is engaging? Any ideas?
i already answered you in the thread im posting

Originally Posted by RONSKI23
This also happens with my GS - also, when I start the car - there is a weird noise that comes from the middle vents and it goes for like 20 seconds. Sometimes when I change the MODE - it comes back even louder - sounds like something is stuck.

Anyone else has this issue?
as long as you been on, im suprised you havent seen this or something about this

https://www.clublexus.com/forums/gs-...vo-motors.html
Old 06-14-10, 06:11 PM
  #51  
bmackinnon
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Subscribed... (for the dash removal pdf's.... where the heck does one get those??)..
Old 06-15-10, 09:57 AM
  #52  
sakataj
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Originally Posted by bmackinnon
Subscribed... (for the dash removal pdf's.... where the heck does one get those??)..
dont have to remove the dash............read the ones i have linked in mine

Last edited by sakataj; 06-15-10 at 10:02 AM.
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