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"switching module"

R501
in S30 Fairlady

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part number 22710 N4400

It sits under the driver side seat but I have no idea what it does.

22710 N4400.jpg

22710-N4400 is part of the catalytic converter operating system on later production NAPS (Nissan Anti Pollution System-equipped) Japanese market models:

1-L3 FIG.A20-02.jpg1-L3 FIG.A20-02 close-up.jpg

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    • Author

    That's fantastic, where can I access that english/JDM service manual you posted?

    9 hours ago, R501 said:

    That's fantastic, where can I access that english/JDM service manual you posted?

    PM me your e-mail address and I'll see if I can send a PDF file to you.

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    • Author

    Understood, but I didn't see a JDM S31 parts resource.   HS30-H hooked me up!

    • Like 1
    3 hours ago, dutchzcarguy said:

    Maybe now you can put that on there, send a copy to @Mike (JDM S31 parts resource)

    There's a public distribution restriction on it. 

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