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A/C CCU Board Service

  1. Kaz-kzukNA1's Avatar

    A/C CCU Board service – The Worst 02

    by
    Kaz-kzukNA1
    , 22-11-2015 at 03:41 PM (Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer)





    More scraping………



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    A/C CCU Board Service
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  2. Kaz-kzukNA1's Avatar

    A/C CCU Board service – The Worst 01

    by
    Kaz-kzukNA1
    , 22-11-2015 at 03:34 PM (Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer)
    From time to time, I support Honda dealers and other garages through my services.
    This time, I was asked to refurbish the CCU board at very short notice.

    At that time, I was massively behind with the service on the NSX (and still I am….) so I told the representative that I would not have enough time to meet the time limit especially without knowing the level of damages to the existing board.
    So, he decided to get hold of replacement board from somewhere else and I thought     ...
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    A/C CCU Board Service
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  3. Kaz-kzukNA1's Avatar

    A/C CCU Board service 02

    by
    Kaz-kzukNA1
    , 13-10-2015 at 11:44 AM (Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer)






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    A/C CCU Board Service
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  4. Kaz-kzukNA1's Avatar

    A/C CCU Board service 01

    by
    Kaz-kzukNA1
    , 13-10-2015 at 11:36 AM (Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer)
    Addition to the Bose AMP and Alpine Audio Head Unit, I was working on the A/C CCU board for another owner recently.

    The owner bought the NSX recently and noticed that the fan speed control only operates when it was set at the max speed setting so typical CCU board failure mode.
    Basically, when the fan speed is set at max, it bypass the power transistor’s base voltage duty control and simply triggers the blower high speed relay and applies battery voltage on the blower motor resulting     ...
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    A/C CCU Board Service
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  5. Kaz-kzukNA1's Avatar

    Bose AMP, Audio Head Unit, A/C CCU Board service 04

    by
    Kaz-kzukNA1
    , 03-07-2015 at 03:00 PM (Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer)






    Testing the A/C CCU board using my NSX.

    Went through all sorts of test scenarios including the Function & Operation check.
    Testing in Mode 5 at the moment.

    Fan control is now recovered and operates from Min to Max linearly.


    Happy with the result so the board is ready to be returned to     ...
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    A/C CCU Board Service , My NSX
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