Author Topic: Enabling the ABS  (Read 1279 times)

culzean

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Re: Enabling the ABS
« Reply #15 on: September 28, 2019, 03:18:05 PM »
Except for some specialist motors all DC motors need brushes,  so that will be a weak point in all the ABS systems. 

I can't remember exactly, but ours was definitely over 150K miles  when the pump fialed, so I don't think that's unreasonable really. Unfortunately, it's just one of the drawbacks of the complexity of modern cars once they reach an age where electronics start to fail. The brushes do seem quite puny though.

I think what makes it a bigger issue for many is the cost of repair at the main dealer, and indeed the cost of a new ABS modulator. You can, of course, send it to somewhere like BBA-reman for repair, but that means having to take it off, and it's still going to cost 200-300. You could also fit a used one, but as I said in the other thread, they are all over 10 years old now and likely to be well on their way.

Apparently a bit of a nightmare to bleed brake system after fitting another ABS module,  you need the proper gizmo to plug into electrics to open the valves in the module to get air out.  Much better to fix in-situ as you have done.
Some people will only consider you an expert if they agree with your point of view or advice,  when you give them advice they don't like they consider you an idiot

sparky Paul

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Re: Enabling the ABS
« Reply #16 on: September 28, 2019, 07:47:46 PM »
Apparently a bit of a nightmare to bleed brake system after fitting another ABS module,  you need the proper gizmo to plug into electrics to open the valves in the module to get air out.  Much better to fix in-situ as you have done.

Don't know how bad the Jazz is to bleed from scratch, but I can vouch for the fact that the ATE modulators fitted to some VWs are impossible to bleed completely without access to the diagnostic tool, VAG-COM.

drooopy

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Re: Enabling the ABS
« Reply #17 on: October 04, 2019, 07:31:55 PM »
Hello again,
I'm starting to get a bit annoyed with this ABS issue now.
I went today to a scrap yard and got only the motor from the abs pump, after the brush holders on my old motor just disintegrated when I tried to replace the brushes.
After putting the motor on the pump I took it for a drive to see if it works. Here comes the interesting part:
1. After a couple of meters I noticed the ABS light turned off and I decided to test the brakes to see if it works. The abs worked as normal but after I stopped completely the light came back on. :o
  So i turned off and on the engine and the light went off again. Then I decided to brake test again and after hearing the abs working and coming to a stand still the light came on again, but now it's not turning off at all.
2. So i decided to take the "new" motor off and replace the brushes(which were really low also). The only problem is that the light is still on.

Does the ABS reset trick with jumping the pins 4&9 in the work on this model of Jazz?


sparky Paul

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Re: Enabling the ABS
« Reply #18 on: October 05, 2019, 12:02:04 AM »
Does the ABS reset trick with jumping the pins 4&9 in the work on this model of Jazz?

I never had any luck with it, I don't think it works on the Jazz. The only way I could get any sense out of it was with the Honda diagnostic tool. The light should go off once faults are corrected anyway.

You may have additional problems. Have you checked that the pump is running with the ignition on, using the screwdriver trick? Did the replacement brushes slide in easily with no binding? Also, a resistance test of the sensors proves the wiring, but doesn't prove that the sensors are actually functioning.

« Last Edit: October 05, 2019, 12:03:43 AM by sparky Paul »

drooopy

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Re: Enabling the ABS
« Reply #19 on: October 05, 2019, 04:55:17 PM »
I have finally found a friend that has a more proper diagnosis tool and I was able to delete the codes properly and now ABS works as it should.

Now I have to sort out the Instrument cluster because somehow when taking the paper out of the ABS light I managed to break the backlight and then, when trying to fix that I think I fried something because the speedometer and the lcd for the gear no. doesn't work anymore.  :'(

It really feels like this car doesn't want to be fixed.  :D

sparky Paul

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Re: Enabling the ABS
« Reply #20 on: October 05, 2019, 07:03:07 PM »
It really feels like this car doesn't want to be fixed.  :D

It's certainly giving you the run around, but at least the ABS is fixed - and that's an issue that's meant the end of the road for a few old Jazzes now.

culzean

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Some people will only consider you an expert if they agree with your point of view or advice,  when you give them advice they don't like they consider you an idiot

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