ABS upgrade....

[britlude]

and lo, on christmas eve eve it began....1.50pm to be precise.....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_13_50_32_Pro_zps5ebkgva6.jpg

soon turned into this....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_24_47_Pro_zpso4shliow.jpg

and this

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_25_11_Pro_zpsjkjji9q3.jpg

became this.....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_45_06_Pro_zpsowdqbcnp.jpg

[britlude]

hang on, that's a bit dull.... how about......

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_13_50_09_Pro-ANIMATION_zpstuqkljop.gif

[britlude]

that seems to work... so.....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_25_11_Pro-ANIMATION%201_zpsf9kearae.gif

[britlude]

the other side..... somewhat simpler, and identified the sides the piping feeds...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_50_36_Pro-ANIMATION_zpszuodk3ik.gif

as i'm leaving the refit until the morning, i've used the blanks that came with the new ABS modulator to cap off the rear brake lines, and the ends of the front flexy pipes!

[britlude]

just to finish off.... getting to the front brake lines, animated :)

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_03_26_Pro-ANIMATION_zpshgjs0fmq.gif

[britlude]

while i was sorting stripping things off, found the scuttle drain had a little debris....

the down pipe drain....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_51_44_Pro_zpsysegw8ms.jpg

the debris!
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_52_58_Pro_zpstnll8evt.jpg

pipes all out, ready for the new stuf... well....mmm grubby
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_49_57_Pro_zpsktnsycs8.jpg

mmm better!
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_16_18_29_Pro_zpsefkrv22l.jpg

not going to tell you what i cleaned it with, it only starts arguements!

[britlude]

never to clatter in my car again..... (ironically did it this morning!)

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_42_49_Pro_zpshhamgcc7.jpg


stripped to relieve it of the required bracket!

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_15_49_21_Pro_zpsuckfdu1b.jpg

if anyone has the need for a 'working fine when i took it off '92 ABS unit', you know where it is! i also have the 'Warrenw' of NSXPrime rebuild kit to go with it.....

....accumulator was replaced with a new one by me sometime on the past, can't remember when, but it's in my Build thread!!!!


while the heater motor assembly is out, i had a quick peek at the air-con evaporator....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20strip%20out/WP_20161223_14_56_56_Pro_zpsus6mphi3.jpg

looks nice and clean, the filter i put over the fresh air intake seems to be doing the trick!

[Pride]

I think my iPad's playing up, the images are jumping all over the place.

A perfect excuse to convince my "Santa" to buy me a new one before the Apple Store closes tomorrow at 4.

[britlude]

day 2.... putting it all back together.... ok, i got a bit carried away and forgot to take some pics at the start! needless to say the most awkward pipe to thread through is the passenger front corner..... when the car was built none of the air con system was in place to get in the way, alas upgrading we don't have that luxury, so it's a case of gentle tweaks to get the pipes in, then gentle tweaks back to their original form!

anyhoo.... running pipes and loosely fastening them, just to make sure the pipes are in the right order to go across the car
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_11_32_58_Pro_zpsearp9fln.jpg

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_11_33_05_Pro_zpsd71eh1ui.jpg

then from this..
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_11_44_21_Pro_zpsv4sx9aqv.jpg

to this.....http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_13_37_13_Pro_zpsi6mrzmcm.jpg

[britlude]

with the magic of gif..... (as it's still new to me and amazing, tho will get annoying soon...)

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_11_44_21_Pro-ANIMATION_zps0rgnr2rf.gif

lots of pipes...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_12_35_54_Pro_zpsh5p7q1vu.jpg

more pipes (well the same pipes, different angle....)
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_13_26_23_Pro_zps75nvl2ax.jpg

started routing the wiring loom....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_13_37_35_Pro_zpsfyi0mzix.jpg

[britlude]

as i'm running the wires, i realise i have a nice 40Amp supply right next to the ABS unit, the one that powered the clattery ABS pump on the old system, so a plan hatched.... as the new unit's motor requires the same level of power supply, i salvaged the connector off the old clatter pump, and picked out the motor supply and earth (pin 9 and 25) from my loom and tweaked a spare connector mount to give this...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_14_47_50_Pro_zpsprxsnak9.jpg

(the cable was tied in a more supporting manner once i'd finished fiddling!)

i also decided fairly early on that i was going to use the battery earth lead for the ABS earth point, my loom had the earth leads already around the right place... apart from the one already stripped out and connected to the old motor connector...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_14_48_01_Pro_zpsrtwsk5m5.jpg

also gave the battery earth connector a bit of a restoration at the same time!


AC evaporator looking clean... (double checked!!)
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_14_53_20_Pro_zpszronhnc6.jpg

no pile of debris here any more!
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_14_53_34_Pro_zpsayb0h4zn.jpg

[britlude]

as i decided to use the original ABS motor feed, i had to do a little relay tweak.... on the original system, when the ABS computer detects low pressure in the accumulator, it fires a relay, and this sends 12v to the motor, running the pump until the pressure is restored. with the new system, the control is all in the magic ABS box of tricks, so just needs a constant 12v.....so...

get the relay...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_15_41_36_Pro_zpsrf7mfkw0.jpg

open it....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_15_41_44_Pro_zpsahnmallo.jpg

chop off the coil (don't need it) and after a bit of bending solder the 'contacts' together....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_15_47_16_Pro_zpsvlvabwnr.jpg

lob the cover back on, and now i have a dummy relay, that doesn't look out of place in the fusebox!

next step is wiring and bleeding the system (i did a quick bleed, just to get the new ABS pump and pipework to the front wheels and bulkhead primed)
and fit these....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161224_13_40_42_Pro_zpscdqzchaf.jpg

[duncan]

You're a star!

[Pride]

I hope Jon, for Christmas Day as a present to you it all works successfully, you deserve it. Well done mate.

[britlude]

grabbed a quick hour on the car.... stripped out the glovebox and computer rack....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_11_25_29_Pro_zpswfsxnnw5.jpg

so i could route the cable in thru the large loom grommet (fat tube through a small hole = good seal!)
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_11_33_21_Pro_zps50nn5qyr.jpg

now inside the cabin....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_11_36_49_Pro_zpsbroanlcs.jpg

and put it all back together....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_11_57_05_Pro_zpsvn91xqn0.jpg

the computer rack had to come out, as i wanted the remove the abs computer for various reasons! the computer is held in with 4 M6 bolts, one in each of the corners accessable from the glovebox side, one at the back accessable through the re-circ vent hole for the heater, and one that is soooo totally inaccessable that the rack HAS to come out, like it or not!!!!


oh, and Merry Christmas everybody!!!!

[britlude]

grabbed another 5 mins, (avoiding 'Frozen', lol) started the wiring as underbonnet is all back together....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_15_45_30_Pro_zps3utix5kk.jpg

the sheets of paper have the colours of my wires from the ABS connector, and the '92 diagram giving the '92 colours and pin locations, just a case of joining the dots, and adding the relay for the ALB warning lamp.... i've taken the second permanent power feed from the connector (the fat black pair), so i'll now have one fuse for the ABS permanent supply, and the other is now dedicated to the TCS circuit...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161225_16_17_25_Pro_zpszh2w5t60.jpg

that'll do for today, it's dark now!

[Pride]

There's so much to be said for good old fashioned cadence braking don't you think??? 😎

[britlude]

where's the fun in that....

[Silver Surfer]

Jeeps... your back must be killing you now Jonathan!!

SS

[Kaz-kzukNA1]

Hats off for carrying out this task on the jack stand….
With my back injury long time ago, I won’t even try it without using the lift….
Hope you will be back on the road soon to enjoy the night and day difference of the modern ABS.
Merry Christmas.

Kaz

[britlude]

back is fine ta :)

thanks Kaz!

anyhoo where was i....

finished putting terminals on the end of the remaining wires, and put the pins in their respective sockets....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_14_04_00_Pro_zpstkbm5mgl.jpg

checked and double checked the ABS plug wires to NSX harness just to make sure i hadn't made any silly mistakes... confirmed my dash ABS lamp needed to be earthed to illuminate, and connected that to the appropriate connection on my little relay board. having the changeover relay makes any corrections easier!!!

with the brakes bled, and all the brake pipe ends checked for no weeps of fluid under pressure, the front end was put back together...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_14_03_17_Pro_zpskdbzg9ik.jpg


i must say the Speed Bleeders certainly made it easier, it makes a change for a product to actually do what it claims!

with that the car was taken around the block, and the ABS tested. it's pretty rural around here, so plenty of quiet roads where you can place a front wheel on a grassy/dusty verge and safely fire the ABS on that corner... it all seems to work as it should, seems a lot smoother operation, higher frequency, and without the usual clatter after 3 or 4 applications! all good :)

the traction control still works, ( necessary i think as i drive it in the snow and ice!!) so the extra £900 was all worth it! lol!

[britlude]

Back at base it was now a case of refitting the interior, but another tweak first....

the new ABS has a separate SCS diagnosis circuit. i've seen looms that ignore this wire completely, other solutions that make the connection available at the ABS pump, but i was aiming for something a little more ... well... me!

first up was the original SCS connector... you know the famous blue plug, that gets attacked with a paper clip to short the connectors and make the flashing lights on the dash... i don't want to do that any more, scrabbling in the footwell trying to find it, so i need to wire it in! for that i need to find a socket to match it....

on mine, i'm sure its the same with yours, Honda fitted a blue socket for the plug to clip into, to stop it rattling about when not in use.... hmm a socket..... just like this...

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_09_56_05_Pro_zpssmkpe8nq.jpg

so could i use this? of course i can, but i need pins....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_14_09_32_Pro_zpsjojxwkp8.jpg

yup, they'll do, the ones left over from the AMP sockets i just used for my ABS loom....they needed a slight tweak to the 2 small prongs in the back side (basically folded them in) and once crimped to a bit of wire, i had this....

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_09_58_44_Pro_zpsfvzc8sae.jpg

[britlude]

so now i have a pair of blue wires that can be connected together to give me my original diagnostics, and a pair of black wires, one direct from the ABS modulator SCS terminal, and the other to earth to give me the ABS diagnostics, i just needed a double pole switch to connect the 2 circuits independently

plan A was to put a nice little matching rocker switch above (or below) the boot release master switch in the glove box... the boot release master switch is double pole, but only uses one... nice, neat, oem, £49 for the switch from honda... errr no!

plan B was to use a less attractive switch and hide it a bit!

simple toggle switch, with a simple connector...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_14_04_28_Pro_zps9nhqilkd.jpg

mounted on the footwell undertray....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_16_16_08_Pro_zps69kwgx1e.jpg

slightly further back...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/abs%20going%20back%20in/WP_20161226_16_16_18_Pro_zpsacfqr5t5.jpg

i'll make up a label later!!!


fortunately i have no error messages on the car after the short run (any others would have vanished as the battery has been on the garage floor for 3 days!!!), but i did do the ABS reset procedure in the car, and all was as it should be!

right, now what to do for the rest of the holiday.....


edit.. need to do up that screw!

and sort the orange connectors that use to supply the solenoids.....

[NSXGB]

Pah! I didn't even use axle stands when I did mine. :)

Do you think 'someone' may accidentally knock that switch where it is? Especially if they were wearing Tribble slippers....?

[britlude]

Do you think 'someone' may accidentally knock that switch where it is? Especially if they were wearing Tribble slippers....?

it should be fine, that's why i put it at the front.. or is it the back? closest to the seat anyway!... tribble girls feet are big, but not that big...

for those in the dark.... i got Sarah some star trek tribble slippers (tribble purr and everything!) amongst other things for xmas, as she is away with her family this week, hoping the batteries are flat when she returns :)

[Pride]

with that the car was taken around the block, and the ABS tested. it's pretty rural around here, so plenty of quiet roads where you can place a front wheel on a grassy/dusty verge and safely fire the ABS on that corner... it all seems to work as it should, seems a lot smoother operation, higher frequency, and without the usual clatter after 3 or 4 applications! all good :)

the traction control still works, ( necessary i think as i drive it in the snow and ice!!) so the extra £900 was all worth it! lol!

Well done mate.👏👏👏👏👏👏👏👏👏👏👏👏

[L696ULO]

for those in the dark.... i got Sarah some star trek tribble slippers (tribble purr and everything!) amongst other things for xmas, as she is away with her family this week, hoping the batteries are flat when she returns :)

I'm surprised you didn't make them !!

[britlude]

last bit of tidy up of the old cables....

now as these are all surplus, time to tidy...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_13_53_51_Pro_zpsu9zgju7x.jpg

took off the short piece of convoluted tube.... wasn't very neat anyway!
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_13_54_09_Pro_zpse3smaevs.jpg

point of no return.... chop off the plugs...
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_13_54_59_Pro_zpsruocmdcj.jpg

now i don't cut them off the same length, if i cut them progressively shorter..

1. the ends of the wire are not in the same place, so stray wire shorts unlikely
2. there doesn't get a fat end to the wrapped cable
3. if it were to go back together, it's easier to ID wires, AND the joins won't be in the same place, tho that's not going to happen in this case anyway!

with the wire cut, i then pull the wire, the outer sleeve stretching slightly, the copper core not so, so the end of the copper disappears into a nicely insulated tube....

[britlude]

then wrap the wire.....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_13_58_06_Pro_zps8xagyrtw.jpg

repeat for the second set of wires....
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_14_00_20_Pro_zpsaurgpzks.jpg

then finish off with a new slightly longer piece of convoluted tube....

before and after
http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_13_53_51_Pro_zpsu9zgju7x.jpg

http://i1376.photobucket.com/albums/ah32/jonathan1937/NSX%20stuff/ABS%20conversion/WP_20161229_14_04_46_Pro_zps1sp1syit.jpg

sorted, that's that done then....

[britlude]

my old ABS is with its new owner, hopefully helping to keep another car on the road in the future :)

thanks to all those that enquired!

[jonathanolney]

Inspired by the rapid progress on your upgrade I have just installed the components that had been on the shelf since the summer. Only difference is that I used an S2000 AP1 modulator. Many thanks to Kaz for his generous support. Anyone want a later type NA1 unit?

https://lh3.googleusercontent.com/SRfbfphCwx1JnvrWyH6u4C09j0RzuV-II_qO30nfRNnzWi-mNcaT-jF7CRnQztXp5iqtb0h-vQem7o4KFNQrWHqQCJ3RwxjGDbYUaaE89Gx9tMcIpiQytLc6G5 XZm3wFg8kVjbfvxEPgsn5IsJp1tTVravrsKytdMtBkeOFCWDeF bD7dviWSCbObSBnJAy2gLlk4gfEig22KNd9fBAUpms0gaGkPTa-mkupqcucuFSAtlCh_moNr3W5i3noY8kZf1JGgef64e9AXX9Jt_ 8wUFnX2D1V1TalOXForEEOxKVvwj3BhfEJBSPZfSuuz9bAWTkL 2mkTaYeIamQEc0RAd9kvuBT4uGga19iaAHX8U5ERFZCEm-t6PKlAfIYQISdR4fxJ3p2kFbVV_ErfkWqvWfP_dDIVghdXWC2F 1o409FQWyvoSWCC8M-O23oSl0_AVn9Br0LSpc5kdBOb4JNYkSceghdjDdlnUmdYm2iFY PussySD8pkLVQHqRV6EfBIvDzR7wcE3s-9y1HfPGjLHHz3LpEyvjcMscIk4bzI2nt1Q5ju69a_XSyABye8X B36hpbFxlf3cqCBvRihZookuYUPICLYc_3dEJTZ0qctiWZhlut bms8RvKXLWdEWrlM1oa1Xwmm5XuJ_u2dy3ppwSvjSEUZswDGJg 5iWcF0qHrZie4=w1791-h1344-no

https://lh3.googleusercontent.com/XPW7--b0nFZenfZ_wIIUxUNqesXwjaBw6hPzqRDKw61e50TZPZtWdo6e w5elKg3iEInciNgZosQGkKDR8COObhiCnUkd8OxD1uEeBUV9eC qpIWm2ax7GEu2iPiAF8jbHp47niKDERuEIMp5rKG9xlL_5XfVy dSyO7O485q_vNJj6tPuW-WdiqvDv2CCROuJOD2vvFDGjVq7rXAFlWZ0dGG-D1Joi9_ndtHkBJnE30eSUIyooSSVABKrKMpXZwIRZnIaWrRirj 824C5dzLV-dtA7w84icj282fpr7gkglnXzkSiemedDGZwYtf11a6PbNBipCw 9xJ8FWhiqsRo29d2_-dsb34_M2xE5Ro7DHVm-f3o_WVtO9Dp9A7KkTeL4tMg9YIihIrOMmtSzYOGziFROTudqM9 obhMP0dzrtPu2ErVBQ3HF7MGGONgzHQEF3cWT2ddDMtx_fYAJS eKnIa8S7vlcJHOs3rE2wBeVhEAt2sI65nExlUKnwCbufcnD5fT 0QpX2FWiV7utweCufOjypc2pmhDfgc0wHtu7Sz7R9OishnVGzg tmE0hS908ameB3mODeYOlZyP0JejdqggsG31mh59i5IlOXnEqD X8h8aUulZjvO7BJObegkVE8uKxQj-eFJVO_x34xzPJWcDS-PSsi8vprXWy2TGS62ua-3geY=w1791-h1344-no

[nigel]

Is the original pump still working?
If so I could use it for my '91 Prelude if it fits on a l/s drive car.

Cheers
nigel

[jonathanolney]

Nigel,

PM sent

John