UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Steering Angle Calibration Procedure |
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Hi
After the latest update within the nanocom firmware, we now have the ability to calibrate the steering angle sensor. Now there are no instructions that I can see, so knowing that some on here have carried this out already - could someone please help me understand the correct procedure for carrying out this calibration.
For example, engine off, engine on, key in stage II etc. Reason I ask, is that there is no graphical / numerical display to see what the current eensor value / reading is, so before I potentially screw things up, I thought I would try and find out.
Kind regards
Jay
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17th Aug 2014 8:40 pm |
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Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
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Jay, I've done mine before but admittedly it was with an IID tool.
I cannot remember the key position but it must have been with dash lit up.
I think the only thing you really need to ensure is the front wheels are pointing dead ahead with the steering wheel centralised before doing the recalibration.
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17th Aug 2014 9:24 pm |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Thanks for coming back on this Narpy, it is appreciated!
What I can see with the latest update for the nano is that it has a single selection to chose 'calibrate steering angle sensor', but then nothing in terms of graphical / numerical display that I can find (maybe me being dumb )
With that in my mind, it appears to me that it is all calibrated in the background, whereby there is nothing I can see to let me see the actual value before / after.
Therefore I can not as yet understand how I can see if the sensor is calibrated or not from what I can see on the nano, therefore I am trying to see if I am missing something here.
Also, from what I am reading, it appears that when working on ecu's etc, the engine needs to be off - but the ignition on position II - so does this rule apply to the SAS?
Reason I do not wish to make any mistakes, is that I have a traction control cut in issue on right hand bends every so often since wheel alignment, whereby I know they have not got the kit to calibrate the SAS, so I wish to rule this part out before looking elsewhere for the cause.
Kind regards
Jay
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17th Aug 2014 10:16 pm |
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John P
Member Since: 12 Aug 2011
Location: West Sussex
Posts: 1278
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Jay, I've calibrated my SAS, with my MSV-2, and all I did was point the steering wheel in the ahead position and click calibrate. The ignition was on, but the engine was not running. The MSV-2 can read the SAS values, so I could see the before and after affects. Sorry I don't have any experience with the nano.
Cheers
John
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18th Aug 2014 7:32 am |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Thanks John.
Looks like I am simply going to have to take a gamble and press calibrate
Regards
Jay
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18th Aug 2014 11:14 am |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6299
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Just as Narpy says steering wheel set to central position ignition switch to on and make sure your battery is good, or even better put it on charge, then fire up the Nanocom and select SAS calibration, it take about 20 seconds to do it once done thats all you have to do.
Flack
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18th Aug 2014 11:18 am |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Thanks Flack,
Will go and do it now. One more question if I may - if this does not cure the traction control kicking in every so often on a right hand bend, where would I look next, as reading numerous posts it seems to come down to SAS a lot of the time?
Regds
Jay
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18th Aug 2014 11:22 am |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6299
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It could be a few things , tyre, wheel bearing or even the wheel rim itself, or a faulty wheel speed sensor.
Flack
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18th Aug 2014 11:27 am |
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Martin
Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18537
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Or alignment. 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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18th Aug 2014 11:34 am |
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maplecottage
Member Since: 01 Feb 2011
Location: Norfolk
Posts: 3171
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Or too much loud pedal
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18th Aug 2014 11:39 am |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Thanks Flack
Tyres are all new, so I will swap them round to see if fault moves, the rims are free from damage so I would hope they are not the cause.
Wheel speed sensor, wheel bearings could be replaced when I change the brake disks and pads to remove those two possibilities, and the struts / airbags will be getting replaced also as the front is a bit nosey in corners, so I feel the dampers are coming to the end of their life.
Kinda regards
Jay
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18th Aug 2014 11:41 am |
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L319
Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2081
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I had the steering angle sensor come adrift, so resetting would be of no benefit in that situation.
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18th Aug 2014 5:12 pm |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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Martin wrote:Or alignment.
I did think that Martin, so I have had it carried out 3 times now on a hunter machine (I put vehicle into TTM last time). Print outs show it is (or should be accurate) and the tyres appear to be wearing uniformally compared to previous ones on the car.
Kind regards
Jay
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18th Aug 2014 6:11 pm |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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maplecottage wrote:Or too much loud pedal
If only it was that simple I would be happy, but even driving like Miss Daisy sometimes reaps this reward
Regards
Jay
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18th Aug 2014 6:13 pm |
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UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 432
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L319 wrote:I had the steering angle sensor come adrift, so resetting would be of no benefit in that situation.
I have not checked the positioning of the sensor yet, as I do not know the location, but I assume it is somewhere on the upper steering column?
Something further to check
Kinda regards
Jay
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18th Aug 2014 6:15 pm |
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