VP VQ ABS Help needed

Wiring diagrams and questions
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Re: VP VQ ABS Help needed

Postby VTXU8 » Sat Mar 11, 2023 8:13 pm

You're welcome mate.

Yeah It looks very basic but works pretty good.
Good luck.

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Re: VP VQ ABS Help needed

Postby Deuce » Sun Mar 12, 2023 4:03 pm

VQ304, if by chance you have recently changed to a staggered tyre set on the car this might be your issue (say, the rear is taller than the front). Although I doubt these ecu's were that advanced back then and this might only be a later vehicle thing. Even a single low tyre pressure can trigger the light on some vehicles.
Or holding the front brake on your motorbike and smoking the rear before your run down the strip will throw the light - had that before and needed to clear code after every run, lol

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Re: VP VQ ABS Help needed

Postby Charlescrown » Sun Mar 12, 2023 4:20 pm

Going off that diagram it's a basic system with no diagnostic codes which surprises me.

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Re: VP VQ ABS Help needed

Postby vp304 » Sun Mar 12, 2023 8:23 pm

Deuce i know new cars are very fussy like that with miss matched tyre sizes etc
But i have been running 195 60 15 fronts and 255 60 15 rears for over 1 year now no worries
I checked the sensor gaps tonight they are a little larger than whats recommended tho pulling one shim outa rear end sensor and the gap become way to close/ tight.

I cleaned the front sensors and ring, with some cleaner and blew the crap outa them with the compressor. Will drive the car tonight and see how i go.

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Re: VP VQ ABS Help needed

Postby vp304 » Mon Mar 13, 2023 1:35 am

Update drove car still no good. After 5 mins on freeway or so throws the abs light on still dammm

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Re: VP VQ ABS Help needed

Postby Deuce » Mon Mar 13, 2023 9:27 am

vp304 wrote:Update drove car still no good. After 5 mins on freeway or so throws the abs light on still dammm

I would go back to checking electrical connections and plugs etc.
Or re-inspect the wiring in the wheel arches etc for possible stone damage.

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Re: VP VQ ABS Help needed

Postby vp304 » Mon Mar 13, 2023 1:56 pm

Hey deuce i checked resistance on front sensors and both were very close similar will check rear ones and for any damage on wiring and resistance when i get time again.

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Re: VP VQ ABS Help needed

Postby VTXU8 » Tue Mar 14, 2023 7:00 pm

Silly question. But have you fitted LED brake light globes to it recently?

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Re: VP VQ ABS Help needed

Postby vp304 » Tue Mar 14, 2023 11:39 pm

vtxu8 no i have not has all normal globes

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Re: VP VQ ABS Help needed

Postby VTXU8 » Wed Mar 15, 2023 4:07 pm

All good. Read somewhere recently that someone fitted cheap led globes to their VR and it caused havoc with abs and cruise control.

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