How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Doug Your Own Question

Doug
Doug, ASE Certified Technician
Category: Lexus
Satisfied Customers: 6682
Experience:  Toyota Factory training and worked for a heavily Lexus trafficked Toyota store
21364095
Type Your Lexus Question Here...
Doug is online now
A new question is answered every 9 seconds

2000 rx: master..window was stuck in down position, i..replacing

Resolved Question:

i have a 2000 rx 300, master widow switch problem.. window was stuck in down position, i assume it was the motor, so after hour's of work getting it out, puchasing a new one, replacing it, it seemed to function the same as the old... so after hours of replacing regulator into the door shell, with window is in down position, and installing a new used switch, when window is now activated, window will go down and stop in proper position, when switch is activated to go up, window travels to the top, does not stop in closed position, continues to travel down, then stops in half way down position
Submitted: 4 years ago.
Category: Lexus
Expert:  Doug replied 4 years ago.

Hi,

 

Whenever the automatic window motors are replaced or disassembled, they must be put into learn mode to reset the jam protection. The window system 'knows' where the top of the glass should be based on a learned value. Anytime the glass is moved without the motors request (taking off the regulator), the learned value becomes invalid, and auto-up will think it is jamming and automatically lower itself.

 

Unfortunately this is going to require removing the unit again to repair.

 

To put the window back into learn mode, lower the window so that it is in a 'good' position for removing the regulator.

 

Remove the regulator and motor from the door.

Paintmark the scissor gear so it can be assembled in the same position before reinstallation.

 

Remove the motor from the regulator.

 

Reconnect the motor to the door wiring.

 

Run the window motor in the "UP" direction between 6 and 10 revolutions of the gear (this tells the system it is far beyond its mechanical limits, and puts itself back into jam-protection learn mode.

 

Once you have rotated the motor "UP" (it MUST be "UP" direction) more than 6 revolutions, but less than 10, reassemble the motor to the regulator, matching your previous paint marks up.

 

Reinstall the regulator to the door, and attach the glass. Be sure you do NOT push the down switch at any time.

 

Once reassembled, push the "UP" switch to bring the window to the fully closed position.

 

Then run the window through its motions fully down and again fully up a few times, then check the Auto operation.

 

Jam protection should function normally now.

 

 

Customer: replied 4 years ago.

when window was in the full down position,it is seemingly easiest to first remove glas s from regulator, slide it up in track to top position, tape it in place and out of way, then loosen all attachment bolts that hold regulator in place, then slide regulator and attached motor out the door, is it then that I run the motor in the ''up''position 6 but not more tha 10 times ?

does that make sense ?

does it matter what position window is in when you remove glass from regulator ?

Expert:  Doug replied 4 years ago.

Hi,

 

To get the regulator out, it is usually easiest to unbolt the window first, slide it up out of the way and tape it or suction cup it to the top of the door. Then adjust the regulator to the lower position where it is mostly folded flat, and easiest to get out of the door.

Then paintmark the scissor gear so when you reinstall the motor after cycling it 6 times it is easy to match up again.

 

Just remember you must remove the motor from the regulator to run it up 6-10 revolutions. You can not do that with the regulator still attached to the motor.

 

Customer: replied 4 years ago.

ok

would it be advised to discontect switch from the wiring after the 6 revolutions to make sure switch doesn't get accidently pushed in down position ?

re-assemble as directed, then reconnect switch to test ?

Expert:  Doug replied 4 years ago.

Hi,

No, you can leave it connected, but be mindful not to push it in the down direction.

Essentially, if you move the unit before the glass is attached or run up all the way, the new learn mode will already be started and your stopping point will be invalid, putting you back to square one.

 

 

Doug, ASE Certified Technician
Category: Lexus
Satisfied Customers: 6682
Experience: Toyota Factory training and worked for a heavily Lexus trafficked Toyota store
Doug and 2 other Lexus Specialists are ready to help you
Customer: replied 4 years ago.
thanks,most helpfull, will this whole question andanswer session be emailed to me for ongoing referance, I cannot print from this laptop..
Expert:  Doug replied 4 years ago.

You should have an email for each post I make; I am not sure if the customer end emails have the text in them or not; on my end the emails have the full text of your posts.

 

If you need to access the information in the session, you can access this page again either via the links in the emails you have received or by logging in to your questions. As well, you can post again if necessary and I will receive an email notification of your post when I am available.

 

 

Customer: replied 4 years ago.

thanks for all your guidance

Greg Cassady

Expert:  Doug replied 4 years ago.

You're welcome, Greg,

Thanks for using JustAnswer!

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • THANK YOU, THANK YOU, THANK YOU!! I've got my baby back. Tomorrow I will get a tank of high octane, remove the top, go for a long long ride and enjoy my car. THANK YOU! Jughead USA
< Last | Next >
  • THANK YOU, THANK YOU, THANK YOU!! I've got my baby back. Tomorrow I will get a tank of high octane, remove the top, go for a long long ride and enjoy my car. THANK YOU! Jughead USA
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
 
 
 

Meet The Experts:

 
 
 
  • lexpert

    Lexus Master tech

    Satisfied Customers:

    2100
    Master Certified with lexus, 8 years experience with Lexus
< Last | Next >
  • http://ww2.justanswer.com/uploads/LE/lexpert/2012-6-14_21259_Ja2.64x64.jpg lexpert's Avatar

    lexpert

    Lexus Master tech

    Satisfied Customers:

    2100
    Master Certified with lexus, 8 years experience with Lexus
  • http://ww2.justanswer.com/uploads/SK/skyvisions/2012-6-9_23736_JACropped3.64x64.jpg Skyvisions's Avatar

    Skyvisions

    ASE Certified Technician

    Satisfied Customers:

    1329
    Lexus Expert
  • http://ww2.justanswer.com/uploads/DR/drivefast1971/2012-1-12_172422_0009051tQKh.64x64.jpg Ron Z.'s Avatar

    Ron Z.

    - Lexus Tech -

    Satisfied Customers:

    250
    18+yrs experience. State Inspector and Lexus Diagnostics
  • http://ww2.justanswer.com/uploads/AM/amdhcds/2012-4-1_04039_3911361015044607312849462040349387767831419345287n.64x64.jpg AMD's Avatar

    AMD

    Master Technician

    Satisfied Customers:

    229
    L1 Advanced Level Diagnostics Specialist
  • http://ww2.justanswer.com/uploads/joecamel90/2008-11-13_03615_head_shot.jpg George H.'s Avatar

    George H.

    ASE Certified Technician

    Satisfied Customers:

    164
    15+ years ASE Master w/L1 Drivability certification
  • http://ww2.justanswer.com/uploads/CA/caprio23/2011-12-13_155550_20111213105344.64x64.jpg Anthony's Avatar

    Anthony

    ASE Certified Technician

    Satisfied Customers:

    117
    ASE Master Automobile Technician with over 20 years exp. in this field.
  • http://ww2.justanswer.com/uploads/RO/rodcuda/2011-7-25_224114_Donhoff1.64x64.JPG Neal's Avatar

    Neal

    Mechanic

    Satisfied Customers:

    114
    Shop owner experienced in most brands.
 
 
 
Chat Now With A Lexus Mechanic
Doug
Doug
Technician
47 Satisfied Customers
Toyota Factory training and worked for a heavily Lexus trafficked Toyota store