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

Stubborn Door Locks - 1993 LS400

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Old 01-21-06, 12:29 AM
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mmccutchin
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Default Stubborn Door Locks - 1993 LS400

Recently I've noticed that my doors won't lock. . .esp. in the mornings when the car is first started and the temperature is cooler.

I've checked that ALL doors are completely shut. . .but. . .the manual lock button (which should lock all four doors) unlocks itself right after I attempt to initiate a lock. . .sometimes it doesn't happen right away. . .and sometimes I don't even have this problem (esp. late afternoons/early evenings).

What could be the problem. . .what needs to be fixed?

Thank you in advance!
Old 01-23-06, 05:41 PM
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mmccutchin
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Default Once again. . .AMAZING!

Twenty-six (26) hits and no one has an idea about what the problem is here, how to fix, etc?

Thank you anyway. . .I've got my list of minor (but annoying) problems to give the dealer for my annual visits.
Old 04-26-15, 08:33 PM
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3foreign
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Did you ever find a fix to this problem?
Old 04-26-15, 11:07 PM
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RA40
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What symptoms is yours having? Same as OP's?

Would be curious as well. Usual suspect are the actuators or main switch but in this instance Can't recall another similar thread.
Old 04-27-15, 02:15 AM
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dicer
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First of all he says "MANUAL BUTTON". And then says it locks all 4 doors? Not consistent with the manual buttons, as they only lock the door they are on. So he must be talking about the switch on the window and door lock panel on the driver door. The problem could be as simple as a bad switch or the door lock ecu.
By the way, using the word manual should denote something that is not done either electrically or automatically.
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