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Resetting Ls430 Maintenance Reqd Light

maint reqd light reset

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#1 empeasea

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Posted 27 January 2013 - 12:36 PM

Need to reset maintenance required light on a 2005 LS430.

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#2 curiousB

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Posted 27 January 2013 - 03:12 PM

OK go ahead and do it.

#3 curiousB

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Posted 27 January 2013 - 03:15 PM

Ah perhaps you mean you want to know how to do it yourself..


To reset the data, perform the following operations:
  • Push the “ODO/TRIP” button to change the display to blank.
  • Turn the ignition switch off.
  • Turn the ignition switch to “ON” with the trip meter “RESET” button held down.
  • Keep pushing the “RESET” button for longer than 5 seconds after the ignition is turned on.
After the above operation, the master warning light comes
on, a warning tone sounds and the above message
appears to inform you that the engine oil maintenance
data has been reset. (U.S.A. only)

#4 landar

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Posted 27 January 2013 - 06:54 PM

Rather good of you to answer this RTFM question, curiousB.  :cheers:

#5 empeasea

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Posted 27 January 2013 - 07:11 PM

I appreciate the answer, but not the sarcasm. I hyave been playing with this issue for a year. With your advice I did the A trip, then the B trip and then changed the oil change data in the computer. All within 2 or 3 minutes of each other. I had done what you suggested more than once but could never get the light to go off. At any rate your answer prompted me to do the above seversl times and the light is gone. Again, thanks. Guess I was doing something wrong.

#6 empeasea

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Posted 27 January 2013 - 07:15 PM

Rather good of you to answer this RTFM question, curiousB.  :cheers:

You are a real prince.

#7 curiousB

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Posted 27 January 2013 - 10:28 PM

With your advice I did the A trip, then the B trip and then changed the oil change data in the computer.


Reread the instructions. This only works when neither A nor B trip odo is showing. It will never work with either showing.

That is the point of the first instruction:

- >> Push the “ODO/TRIP” button to change the (trip) display to blank.

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