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  1. Speaker - Repair

    Introduction
    Failure of the NSX active speakers is a common fault, especially for the early build years. The modules are class-D switching amplifiers with a MOS-FET driver bridge.
    The output driver relies on the fact that two opposing transistors are never conducting at the same time. If this happens, a direct connection between GND and VBAT is created, with fatal consequences.

    Diagnostic
    Typical failure is due to capacitor leakage. The fluid travels underneath ...

    Updated Yesterday at 09:05 PM by Heineken

    Categories
    Technical Information
  2. SRS Controller 06

    by , 27-02-2021 at 12:16 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)










    ...
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    SRS
  3. SRS Controller 05

    by , 22-02-2021 at 03:28 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)










    This is the controller for the NSX with the passenger SRS.





    ...
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    SRS
  4. Airbag (SRS) - Capacitor Replacement

    Introduction
    The Supplementary Restrain System (SRS) ECU suffers from ageing capacitors the same way as many other ECUs in the NSX. Two things makes it a special issue: The SRS is a safety device and a permanently lit warning light means failing the regular vehicle checks in most countries.
    Especially the first generation ECUs (cars with only a driver's Airbag) tend to fail by shorting an important MOS-FET inside the housing which complicates repairs.

    Diagnostic
    Due ...

    Updated 21-02-2021 at 03:49 PM by Heineken

    Categories
    Technical Information
  5. SRS Controller 04

    by , 12-02-2021 at 04:18 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)










    The cowl sensor (silver metal) and circuit board configuration difference.

    The round/cyl cowl sensor has two rollers inside whereas the square one seemed to be just one roller
    ...

    Updated 13-02-2021 at 12:36 PM by Kaz-kzukNA1 (extra info)

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