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

UCF21 - Could a LHD Power switch work on a RHD ?

Thread Tools
 
Search this Thread
 
Old 04-06-14, 06:44 AM
  #1  
MattLS400
Pole Position
Thread Starter
 
MattLS400's Avatar
 
Join Date: Aug 2013
Location: Miami Dade
Posts: 291
Likes: 0
Received 2 Likes on 1 Post
Default UCF21 - Could a LHD Power switch work on a RHD ?

Members,
From the subject at caption, could a 1996 LS400 (LHD) power window switch work on a 1996 Celsior (RHD) ? Despite the obvious where the driver's window will be "Auto"...meaning, if I were to use the LHD on my RHD, the passenger window will now be auto...The first pic is taken online from a 1996 LS400

This link is for the pic of the jack for the 1996 LS400 ;

http://cas08.mainstreetcommerce.com/...c453443&ebay=1

the second and third pics are from a 1996 Celsior. One can identify that the pins are the same...

I just need clarification that the LS400 will work on my Celsior before I order, despite the obvious mentioned above.
Attached Thumbnails UCF21 - Could a LHD Power switch work on a RHD ?-lhd-top.jpg   UCF21 - Could a LHD Power switch work on a RHD ?-rhd-top.jpg   UCF21 - Could a LHD Power switch work on a RHD ?-rhd-bottom.jpg  
Old 04-06-14, 07:13 AM
  #2  
Yamae
Moderator
 
Yamae's Avatar
 
Join Date: Aug 2011
Location: Japan
Posts: 3,742
Received 855 Likes on 646 Posts
Default

Things are not that simple. You are only trying to compare switches but you also need to check the connections between the multiplex network door computers. I have a JDM wiring diagram but I don't have a USM one and I have no idea to compare.
Old 04-06-14, 09:33 AM
  #3  
Kingsoup
Pole Position
 
Kingsoup's Avatar
 
Join Date: May 2008
Location: Alberta
Posts: 265
Likes: 0
Received 0 Likes on 0 Posts
Default

so are you just replacing switches? something doesn't work or you're putting in auto down for more then one window?
Old 04-06-14, 01:20 PM
  #4  
PureDrifter
BahHumBug

iTrader: (10)
 
PureDrifter's Avatar
 
Join Date: Aug 2004
Location: California
Posts: 23,918
Received 94 Likes on 86 Posts
Default

reasonably sure it won't work without custom wiring. The windows are all multiplexed in the UCF2x cars as I recall.
Old 04-06-14, 01:59 PM
  #5  
MattLS400
Pole Position
Thread Starter
 
MattLS400's Avatar
 
Join Date: Aug 2013
Location: Miami Dade
Posts: 291
Likes: 0
Received 2 Likes on 1 Post
Default

Originally Posted by Kingsoup
so are you just replacing switches? something doesn't work or you're putting in auto down for more then one window?
Presently,

on my Celsior's driver control switch, the following is what i experience;

Passenger (Left side) window option doesnt work
Both Rear Passenger window options doesnt workAll door
All door lock option works fine
Driver (Right Side) window option works



Therefore, I was considering purchasing another driver control switch.. However, the price of these for my Celsior (RHD) are wayy to expensive as compared to those i found for the LS400 (LHD)..hence the reason for my question of whether or not i can use the LHD...
Old 04-06-14, 11:24 PM
  #6  
Yamae
Moderator
 
Yamae's Avatar
 
Join Date: Aug 2011
Location: Japan
Posts: 3,742
Received 855 Likes on 646 Posts
Default

Originally Posted by MattLS400
Therefore, I was considering purchasing another driver control switch.. However, the price of these for my Celsior (RHD) are wayy to expensive as compared to those i found for the LS400 (LHD)..hence the reason for my question of whether or not i can use the LHD...
As I read your post, 2 proverbs,"You get what you pay for" and "Light cheap, lither yield" were remembered.

Modern cars that have electronics circuits a lot are not simple as old mechanics or average users can think of. Most of switches are not connected to loads directly. In between them, there exist circuits or computers that are very sensitive against the abnormal energy coming in or driving out. Replacing only the switch often kills those connected. To prevent additional damages, we should know what are behind the switch viewing wiring diagrams or circuit schematics. Without these, you'd better not to act.

For an example, no indication of a gauge is often caused by the micro computer circuit not by the sensor. I have been seeing shop owners were worrying about mechanics to make the situation worse and compensate those.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
wahaus
LS - 1st and 2nd Gen (1990-2000)
2
08-20-18 07:32 PM
SPhoto
LS - 1st and 2nd Gen (1990-2000)
6
10-22-12 12:22 AM
kmoenck
LS - 1st and 2nd Gen (1990-2000)
2
11-06-11 03:44 PM
dbullen
LS - 1st and 2nd Gen (1990-2000)
3
12-07-09 03:46 PM



Quick Reply: UCF21 - Could a LHD Power switch work on a RHD ?



All times are GMT -7. The time now is 02:43 PM.