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

1998 LS400 doesnt unlock door and turn off alarm :/

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Old 01-19-11, 01:27 AM
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Qwerty256
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Default 1998 LS400 doesnt unlock door and turn off alarm :/

I have first serious problem with my LS400, today when i want go to work, i couldnt open a car by the remote. when i opened and enter key into ignition, alarm was beeping.
I tried two other keys for my LS400. Locking funcion works as: when i click and hold lock i hear beep that tolds me that the windows will be closing (noting happens)
when i click TRUNK OPEN key, trunk opens as always... but nothing happens when i'm using UNLOCK key (just red led on key blinks)

What happened ? my alarm central is broken ?
Old 01-19-11, 07:46 AM
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etex
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You may well need a new battery in your remote.
Old 02-06-11, 09:27 PM
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ef8sir1988
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I have the same problem any figure it out yet.
Old 02-06-11, 10:08 PM
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RA40
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Try a new battery first. If not another remote with fresh battery. Barring that, hunt down another compatible remote to test.

PD can chime. To reset although the ignition usually does it, a lock and unlock sequence with the key in the driver door is the method I use.
Old 02-07-11, 02:13 AM
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Qwerty256
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Originally Posted by ef8sir1988
I have the same problem any figure it out yet.
My problems was in wires from main computer to DRIVER DOOR ECU, check the wires
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