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  1. #1
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    Default Rx300 Air conditioner blows hot when sunny

    After my diagnosis I got this error code . Can someone please give me a way out

    B1421 - SOLAR SENSOR CIRCUIT( PASSENGER SIDE)

    B1431 - AIR MIX DAMPER POSITION SENSOR CIRCUIT ( PASSENGER SIDE)
    Attached Images Attached Images
    Last edited by Automedics231; 22nd December, 2020 at 10:54 PM.

  2. #2
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    Default

    I've got the same error... Do you have the solution? B1431 - AIR MIX DAMPER POSITION SENSOR CIRCUIT ( PASSENGER SIDE) - this one is appearing all the time. As I understand, I need to somehow change the damper position to fix it. Unfortunately, I have no idea what a damper is and how to change its position. Probably, I will call the repairing service. I'm already using an air conditioner chemical wash service, so now I need to spend even more. I would never think that I will spend twice as much of the device's cost to just maintain it. Hilarious...
    Last edited by martiscore; 11th June, 2021 at 12:00 PM.

  3. #3
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    Default

    Just change the conditioner for working one

 

 

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