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Where does the electrical feed to the heating servo motor in…

Customer Question
Where does the electrical...

Where does the electrical feed to the heating servo motor in the lexus rx300 come from?

Mechanic's Assistant: Okay, I'll connect you to the mechanic to help find that for your Lexus. Before I do, is there anything else you want him to know?

I want to replacethe servo motor but if the electrical feed hasno signal, may be its not the motor?

Submitted: 8 months ago.Category: Lexus
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Answered in 3 minutes by:
9/8/2017
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago
David Craig
David Craig, Auto Mechanic
Category: Lexus
Satisfied Customers: 5,415
Experience: Owner/Mechanic at 3D Automotive
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Hi Im David, thanks for visiting the site. what servo motor are you talking about? for the modes or the temperature?

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Customer reply replied 8 months ago
the one that control the temperature, the lower one under the glove compartment
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

ok, and its not getting power to it?

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Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

what year is the vehicle?

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Customer reply replied 8 months ago
no
Customer reply replied 8 months ago
2003
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

ok standby and no what?

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Customer reply replied 8 months ago
just wanted to know where electrically the servo motor is connected to? is there a computer chip in the car that connects it for control?
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

thats the air inlet servo you are talking about. the air mix(temp) servo isnt accessible unless the dash is out

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Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

there is an A/C ECU that controls the servos

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Customer reply replied 8 months ago
we got it out after taking out the glove compartment. what is at the other end of the wiring feed? there is no signal, does it mean the computer chip is broken too?
Customer reply replied 8 months ago
is the ECU a lexus part or is there a after market part?
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

its a lexus part and part of the combination meter

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Customer reply replied 8 months ago
okay thank you. I guess I will have to go to the dealer.
Lexus Mechanic: David Craig, Auto Mechanic replied 8 months ago

good luck

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