LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Center console lights sometimes go out

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Old 05-27-18, 03:09 PM
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jls667
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Default Center console lights sometimes go out

I have a 2004 LS430. The center console lights sometimes go out. All the functions seem to work, but the buttons are hard to see at night when the lights go out. The lights include the map, radio and climate buttons. There must be a flaky wire. Does anyone have the electrical wiring diagram that would include the offending wire? Thank you.

John
Old 05-27-18, 08:45 PM
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Hagar
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I had the same problem with my 04 and sometimes smacking (lightly) would cause the light to come and then eventually, this didn't work anymore. Just replace the light in the counsel. We are talking about the light indicating which gear your in, right?
It was super easy to replace and can be in 5 mins or less. I LED'd mine, more bright and cool. Its a #74
Old 05-28-18, 09:10 AM
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rkw77080
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Originally Posted by jls667
I have a 2004 LS430. The center console lights sometimes go out. All the functions seem to work, but the buttons are hard to see at night when the lights go out. The lights include the map, radio and climate buttons. There must be a flaky wire. Does anyone have the electrical wiring diagram that would include the offending wire? Thank you.

John
The wiring responsible for illumination are powered through terminals 1 and 2 of a connector called "M4".



Old 05-29-18, 05:21 AM
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jls667
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Thank you. The diagrams look great. I will try to find the connector and check it.
Old 05-29-18, 08:04 AM
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rkw77080
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Originally Posted by jls667
Thank you. The diagrams look great. I will try to find the connector and check it.
You're welcome. Attached are some pages from the factory repair manual can may be helpful to you.
Attached Files
File Type: pdf
Multi-Display.pdf (88.4 KB, 389 views)
Old 01-26-19, 08:41 PM
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willic7
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Originally Posted by rkw77080
The wiring responsible for illumination are powered through terminals 1 and 2 of a connector called "M4".



Is this the same as what you would find on a 2005 model?
Old 01-28-19, 05:48 AM
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jls667
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Originally Posted by willic7


Is this the same as what you would find on a 2005 model?
It looks like the wires are behind the screen. How do I remove the screen? I can remove all the stuff below the screen down to the gear shift.

I think my issue has something to do with the day/night sensor for the screen. Where would that be in the car?
Old 02-11-19, 10:58 AM
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jls667
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Where is the light sensor that detects day/night for the Nav screen? I think mine is flaky.
Old 02-11-19, 11:09 AM
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jonathanz
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Originally Posted by jls667
Where is the light sensor that detects day/night for the Nav screen? I think mine is flaky.
same here with same issue, at night some time the car think is day time, car turned the screen to BRIGHT "day mode"
Old 02-16-19, 04:49 AM
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jls667
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When the nav screen thinks it is daytime, do all your center console buttons go dark?
Old 02-16-19, 06:33 AM
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jonathanz
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Originally Posted by jls667
When the nav screen thinks it is daytime, do all your center console buttons go dark?
yes! all center console buttons went dark, i had to hit few bumps then get it back to normal.
just need to research where are the sensors
Old 02-16-19, 06:44 AM
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jls667
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We have the same issue. I am surprised nobody seems to know where the light sensors are located. I would like to figure out this issue.
Old 02-16-19, 07:00 AM
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jonathanz
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i think there's one on center of the dash, there should be another one.
Old 03-23-19, 04:51 PM
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jls667
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This is my nighttime center dash. No buttons are lit. I still think it is the day/night sensor.
Old 03-25-19, 07:38 AM
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Default Automatic Light Control Sensor

i may have found the part on the Internet. Could it be part 89121-50020?


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