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2011 ISF front seat problems

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Old Aug 25, 2021 | 11:07 PM
  #1  
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Default 2011 ISF front seat problems

I created a thread on the ISF section but wanted to post it in here. I don’t know if the seats are the same or even compatible. But I figured I’ll ask for help here anyways. See below

Hello CL family! So I bought a set of white Isf seats for my car awhile back.

Took the old black seats out and installed the white ones. Everything bolted fine, plugged the connectors in and check for functionality before torquing the bolts down. Found out that all the buttons work except the part where the seats goes up and down. The odd part is the seat angle works just fine.

I removed all the plugs and plugged them in. Again, all functions work except the seat height adjustment. At this point I’m starting to get frustrated. I pull the seat back out and exchange the whole adjustment module with my old seat which I know was good. Still no joy. I put everything back together, install the drivers seat and move on the passenger hoping I won’t have any problems. Find out it’s doing the same exact thing as my drivers seats, all functions work except the seat height adjustment.

So, I wanted to check if I was messing something up with the install so I took out the passenger seat and put the old one back. Yup, the seat works perfectly.

I tried searching any info about the seats but all I could find is check the fuse, unplug and plug the connectors, wiggle the seat to make sure nothings preventing it from moving and lastly unplug the battery and reset it. Which I did all the above.

Has this happened to anyone? If so, how did you fix it. Any help would be great! Thanks everyone in advance!
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Old Aug 26, 2021 | 07:14 AM
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So you have a 2011 ISF and you're installing what model year ISF seats into it?
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Old Aug 26, 2021 | 08:10 AM
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Originally Posted by predacon47
I created a thread on the ISF section but wanted to post it in here. I don’t know if the seats are the same or even compatible. But I figured I’ll ask for help here anyways. See below

Hello CL family! So I bought a set of white Isf seats for my car awhile back.

Took the old black seats out and installed the white ones. Everything bolted fine, plugged the connectors in and check for functionality before torquing the bolts down. Found out that all the buttons work except the part where the seats goes up and down. The odd part is the seat angle works just fine.

I removed all the plugs and plugged them in. Again, all functions work except the seat height adjustment. At this point I’m starting to get frustrated. I pull the seat back out and exchange the whole adjustment module with my old seat which I know was good. Still no joy. I put everything back together, install the drivers seat and move on the passenger hoping I won’t have any problems. Find out it’s doing the same exact thing as my drivers seats, all functions work except the seat height adjustment.

So, I wanted to check if I was messing something up with the install so I took out the passenger seat and put the old one back. Yup, the seat works perfectly.

I tried searching any info about the seats but all I could find is check the fuse, unplug and plug the connectors, wiggle the seat to make sure nothings preventing it from moving and lastly unplug the battery and reset it. Which I did all the above.

Has this happened to anyone? If so, how did you fix it. Any help would be great! Thanks everyone in advance!
Look at the PN on the wiring harness. Are you absolutely sure those seats have that function?

Hop on any of the Lexus sites that offer "where used" and put in the two PN's for the upper level seat assembly and see what comes up.

Originally Posted by Gville350
So you have a 2011 ISF and you're installing what model year ISF seats into it?
I second this.... ^^
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Old Aug 26, 2021 | 10:08 AM
  #4  
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Originally Posted by 2013FSport
Look at the PN on the wiring harness. Are you absolutely sure those seats have that function?

Hop on any of the Lexus sites that offer "where used" and put in the two PN's for the upper level seat assembly and see what comes up.



I second this.... ^^
The used seats came out of a 2011 ISF and I installed them into my 2011 ISF.
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Old Aug 26, 2021 | 10:43 AM
  #5  
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With both seats out stock, and replacements. Does the wiring match the same color pin for pin?
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