***STICKY*** - ABS 2000 and 2002 NSX-R Conversion Instructions & Brake Line Map

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Here is the link to instructions that are meant to supplement other ABS conversion instructions posted on the forum. These instructions provide the locations for the 8 brake lines that come with the conversion kits, and address what's additionally required if the optional NSX-R Master Cylinder and Brake Booster are installed with the NSX-R Modulator. https://drive.google.com/file/d/1j4zn-PN11dlDWd-7PSfvilfDpZezdNxU/view?usp=sharing
 
Here is the link to instructions that are meant to supplement other ABS conversion instructions posted on the forum. These instructions provide the locations for the 8 brake lines that come with the conversion kits, and address what's additionally required if the optional NSX-R Master Cylinder and Brake Booster are installed with the NSX-R Modulator. https://drive.google.com/file/d/1j4zn-PN11dlDWd-7PSfvilfDpZezdNxU/view?usp=sharing

Thanks, Joe. This is a great addition to the NSX reference library!
 
Some questions on the conversion. I'm collecting parts for the S2000 ABS which uses mostly the same parts.

-Marc's S2K ABS kit didn't come with the brake pipes W and X, which are the pipes through the fender grommets to the FL/FR brake hoses and calipers. Are those two pipes necessary or can the originals be reused? The only P/N different is -N00 vs. -J00. Parts diagram at https://www.amayama.com/en/catalogs...-1/chassis-and-transmission-7/brake-line-1726

-I've seen some recommendations to replace the mechanical relay that comes with most ABS harnesses to a solid-state relay especially if you have a digital gauge cluster. Could something like this (https://www.mouser.com/ProductDetail/Crydom/DC60S3-B?qs=RMiEzKrVl1cOpYFGDQQqeA==) be used with some extra wiring to the terminals or is there an option that plugs into the factory square 4-terminal plug?

-Any other guides that give a more detailed breakdown of how to install the wiring harness and have a functional SCS connector?
 
Last edited:
Big McLargeHuge said:
Some questions on the conversion. I'm collecting parts for the S2000 ABS which uses mostly the same parts.

-Marc's S2K ABS kit didn't come with the brake pipes W and X, which are the pipes through the fender grommets to the FL/FR brake hoses and calipers. Are those two pipes necessary or can the originals be reused? The only P/N different is -N00 vs. -J00. Parts diagram at https://www.amayama.com/en/catalogs...-1/chassis-and-transmission-7/brake-line-1726

You can re-use the old front lines, but you will have to bend them to fit the new modulator.
I ordered the fronts from US Acura to save on shipping. Not too expensive.


-I've seen some recommendations to replace the mechanical relay that comes with most ABS harnesses to a solid-state relay especially if you have a digital gauge cluster. Could something like this (https://www.mouser.com/ProductDetail/Crydom/DC60S3-B?qs=RMiEzKrVl1cOpYFGDQQqeA==) be used with some extra wiring to the terminals or is there an option that plugs into the factory square 4-terminal plug?

Per Kaz, you need to use the solid state relay with the AP1 modulator due to the differences in the AP1 ABS light versus the older NSX version.

-Any other guides that give a more detailed breakdown of how to install the wiring harness and have a functional SCS connector?

I'll e-mail you my AP1 wire diagram. I've got it all sorted out. :D
 
Here is the link to instructions that are meant to supplement other ABS conversion instructions posted on the forum. These instructions provide the locations for the 8 brake lines that come with the conversion kits, and address what's additionally required if the optional NSX-R Master Cylinder and Brake Booster are installed with the NSX-R Modulator. https://drive.google.com/file/d/1j4zn-PN11dlDWd-7PSfvilfDpZezdNxU/view?usp=sharing
Link is dead - any chance @nsxspdfreak that you can update it?
 
For anyone that was looking, Mita Motorsports got 2000+ ABS kits back in stock today (11/30/2023) and did *NOT* increase their pricing despite these modulators becoming unobtanium. e.g. another vendor is charging almost 3x the price of Mita. I had just gotten all the pieces together for S2K conversion but ordered this 2000+ NSX kit from Mita anyway.
 
For anyone that was looking, Mita Motorsports got 2000+ ABS kits back in stock today (11/30/2023) and did *NOT* increase their pricing despite these modulators becoming unobtanium. e.g. another vendor is charging almost 3x the price of Mita. I had just gotten all the pieces together for S2K conversion but ordered this 2000+ NSX kit from Mita anyway.
Who's charging $5000? 🤔
 
UPDATE. ABS Modulators are discontinued again. We have limited stock.
 
These are detailed instructions for upgrading to the 2000 NSX and 2002 NSX-R ABS systems. These supplement the instructions provided with the Mita conversion kits.
Hi, I just installed my Mita ABS last month however I have tested the unit and the wheels only lock up and the car slides. No pulsing in the pedal. I used the ground on the module and other ground on the fuse. Maybe I need to install a jumper....??? the plug set up under the glovebox is for the NA100 which is right for my 1991. otherwise I cannot figure out why the ABS is not working..... I have driven the car about a 100 miles now. Any insight would be great. thanks for the DIY PDF
 
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