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Replaced driver door lock actuator but remote still doesn't…

Customer Question
Replaced driver door lock...

Replaced driver door lock actuator but remote still doesn't operate it.

Mechanic's Assistant: What is the model/year of your Lexus?

2001 LS430

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

Replaced driver door lock actuator assembly.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Remote operates other 3 door locks but not driver door, why?

Submitted: 4 months ago.Category: Lexus
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Answered in 4 minutes by:
3/21/2018
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago
Skyvisions
Skyvisions, ASE Certified Technician
Category: Lexus
Satisfied Customers: 14,994
Experience: Lexus Expert
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Is the door lock actuator a known good part? Do the rest of the door locks lock and unlock with the remote and do the rest of the door locks lock and unlock using either inside switch on the driver or passenger side?

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Customer reply replied 4 months ago
brand new actuator assembly installed. Transmitter operates other 3 doors fine. Inside driver door switch works fine just as before. No difference after installing new actuator on driver door.
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

Do you have a voltmeter to check a few voltages?

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Customer reply replied 4 months ago
Have a meter but door is fully reassembled. Guess I assumed replacing new assembly would fix it. What needs to be checked if I take it back apart?
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

Power to the actuator and the switched signal inputs.

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Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

Are you a the car now?

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Customer reply replied 4 months ago
I assume meter would need to be connected to leads then click transmitter? Should only be powered at the exact instant transmitter button is pushed, correct? If no power when clicked, what is the next place to check back up line?
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

Gathering some tests now.

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Customer reply replied 4 months ago
No. Won’t be at cat until tonight.
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

Once you get the door panel off snap a picture of the inside of the door panel I need to verify the drivers door lock ECU configuration. And a picture of the master window switch connector. Post them back here.

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Customer reply replied 4 months ago
Okay. Will post as soon as able to.
Lexus Mechanic: Skyvisions, ASE Certified Technician replied 4 months ago

:)

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