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abs sensors

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abs sensors

Postby g-man on Fri Apr 18, 2008 8:58 pm

hi all, i have a 54 plate 3.2 v6 swb and my abs light is on,i got it checked and there was two codes came up i replaced the o/s one but the abs light is still on .is it usual for both to go at the same time.

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Re: abs sensors

Postby Red Oktober on Fri Apr 18, 2008 9:20 pm

they probably just need a good clean off ...
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Re: abs sensors

Postby country_Est on Fri Apr 18, 2008 9:31 pm

On mine when it first came on a goo clean would sort the fronts, but when it came on and wouldn't go off wit h a claen the code showed it was the rear one the was faulty. It fits into the dif. Replacemnt was about £38 + labour of course.

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Re: abs sensors

Postby g-man on Fri Apr 18, 2008 9:33 pm

they said that they cleaned them both and one fault came up and they replaced the os side one trying to get a second hand one now
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Re: abs sensors

Postby Drift on Fri Apr 18, 2008 9:34 pm

Did they reset the ecu ?
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Re: abs sensors

Postby g-man on Fri Apr 18, 2008 9:43 pm

i am not sure they pluged in the diagnostic computer and an error came up he then said that i will need a new sensor for the rh side
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Re: abs sensors

Postby Drift on Fri Apr 18, 2008 9:49 pm

It could be the old fault code appering again as its stored in the ecu memory and it may need clearing out.

One of the B serise guys will be able to confirm or comment on this for you :wink:
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Re: abs sensors

Postby g-man on Fri Apr 18, 2008 9:52 pm

ok will ask about thanks for youre help
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Re: abs sensors

Postby bofus on Sun Apr 20, 2008 10:28 pm

if you have replaced the duff sensor - drive at 8-10 mph for about 30 metres or so, this is stated in the Isuzu manual.

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Re: abs sensors

Postby nitromotor on Mon Apr 21, 2008 12:46 am

Its common for abs sensors to become dirty especially on recreational vehicles so check and clean.
Also its important to check the wheel bearings are not out of adjustment.
Code readers/scan tools are only a diagnostic aid to work alongside other diagnostic aids.
Get hold of an accurate multimeter and some thin probes.

The resistance for the front sensors measured at the abs multiplug on pins A2&B2 (left front) is between 2100-2600 Ohms . the right hand side uses pins A3&B3 also between 2100-2600 Ohms.
The rear wheels are pins A4&B4 and a reading between 1100-1700 Ohms.

The output from the sensor is checked at the wheel, lift vehicle, disconnect the sensor and rotate the wheel by hand ( a brisk 60rpm) the output from the sensor should be measured in Volts AC with a reading around 0.1Vac minimum, (best to check with a scope if you have one)

The tightening toque for the sensor is 11Nm.
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Re: abs sensors

Postby Superspy2510 on Sat Dec 28, 2019 1:48 pm

I know the chances of getting a response are very unlikely, but what was the ref of your swb v6? As I think there’s a chance I have bought yours, and the abs light is still on haha
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Re: abs sensors

Postby lucamax on Sun May 31, 2020 6:46 pm

I have change the left front sensor with one from Mazda , 10,5 Euro , even if it has 1,5 K Ohm, it works !
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