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BigJimnyMeet (North) 2024 (12 Jan 2024)


BigJimnyMeet 2024

14th July 2024
Parkwood Nr. Leeds

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Re:Re:Re:Steering wheel slightly off centre.

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28 Sep 2023 06:52 #251055 by lookonimages

mlines wrote: I agree it has an angle sensor but you described an angle adjuster, it does not have any angle adjuster. You have to under some circumstances have to reset the angle sensor but the adjustment of the steering itself is purely physical.

After the lift the Angle readout does show a variation of around 7 degrees. You simply get under the car and adjust the bar until it is back at zero, you do not electronically reset it

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I hear what you say. As per my post qouted, not even wheel specialists could correct it. I have had the jimny at least at 5 wheel allignment places. No-one could do wheel alignment with a level steering wheel.
That then forced me to go to specialist in Cape Town.

Only once the steering angle sensor setting had been adjusted eg. 7 degrees out was set to -7 degrees the steering wheel return to level position when you start to drive and wheel alignment could then be done with a straight steering wheel.

How do you explain the videos clearly showing you no matter how much it is adjusted underneath car the the steering wheel return to a fixed position of 7degrees after lift, the moment you start driving. The only effect is that it now pulled left or right but steering wheel always 100% return to 7 degree position the moment the vehicle tyres start rolling.

Currently i know of at least 15 jimnies in cape town that the steering wheel only will return to level position if the steering angle sensor adjustment has been performed.

We are an extreme huge group in Cape Town, and all came to same conclusion with a lift and correcting the steering wheel.

Tiger wheel and tire is one of biggest wheel allignment places in SA and they all now follow the procedure.







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28 Sep 2023 08:35 #251059 by mlines
Well I am happy to be corrected but I really cannot see how the steering wheel can move itself back to 7 degrees when it is directly connected to the front wheels, this can only happen when there is not a direct connection between the steering wheel and wheels (i.e fly by wire). Now its true that the sensor can read whatever it likes. I will look further in to it.

Martin

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
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28 Sep 2023 11:28 - 28 Sep 2023 11:32 #251063 by lookonimages
Martin
I agree with what you saying. I know I know.

That is why not even "specialist" could fix it and it took us months to work this out as the only way to get steering wheel to return to level and not to go back at angle.

My videos clearly show how steering return to the angle once wheels start to turn when you pull away irrespective of how the bars was adjusted + or -.

Dont ask me but it do happen.
Lets rather leave this for now.

My steering wheel perfect with my fix and yours are perfect with your fix.
We both happy

We do not get the LCV version only the 4 seaters.

Come for a holiday to sunny SA. I will gladly accommodate you a few days so you can experience this phenomenon, and proof us all wrong.
Last edit: 28 Sep 2023 11:32 by lookonimages.

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28 Sep 2023 12:19 #251065 by mlines
Would love to come (and join in the large Jimny meet), You do effectively have the LCV as you have the lower spec. Jimnys on which the LCV is based. We have one already lifted and it drives no problem without any electronic correction and as I mentioned we are doing another this coming weekend.  I will document my findings.

Martin

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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29 Sep 2023 18:09 #251086 by lookonimages
Martin
I fully understand your point. You basically have a triangle and 3 fixed sections. If you make adjustments on one length it will result in movement on another point.

I showed all people your video when we tried it when they could not fix it. All confirmed that you are correct and that is how it should work and that is what they are doing. I am talking about highly respectable companies in Cape Town. the one is tuning/building racing cars. Believe me we have been all over Cape Town.

Unfortunately none could made it work on my Jimny and then solved it for couple after me.

Like I said it seems to have beaten 99% in Cape Town until I found a guy building racing cars and he put in a good 3 days work, and one suggestion was let's change the Steering angle sensor value. And see what ihappened. He had those car computors an it seems the bently for getting into suz compotor sustems. He was ģooď exctract and change crazy stuf

I still can't explain it but it also work on many after me with lift kits.

So I cannot ad anything more. More



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30 Sep 2023 07:19 - 30 Sep 2023 07:19 #251094 by facade
The question that I'm left with is:

Does the car run straight both with the wheel at 7 degrees and after the solely electrical correction is applied to make the wheel sit at zero (but read as +7)?

If it does then there has to be some lost motion somewhere between steering wheel and road wheels

There is a torque sensor in the steering column that has to twizzle up when you turn the steering wheel, then the power steering acts so as to reduce the angular displacement between the two ends of the torque bar to zero. It has end stops so that turning the wheel with no power doesn't snap it off, but I doubt if it is anywhere near 7 degrees worth of displacement,

If the torque sensor had a zero error, the steering would just power itself to the end stop when you let go of the wheel though.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)
Last edit: 30 Sep 2023 07:19 by facade.

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01 Apr 2024 10:59 - 01 Apr 2024 11:04 #255340 by lookonimages
As per my post somewhere else on lifted jimny gen4 and skew steering wheel afterwards. I post this also here for reference.

This South African company have written a block post of steps. They are known here for their 50mm lift kits.

So very important to note that there are indeed an electronic steering sensor at play on the gen4's in South Africa and most probably also in other countries.

Cruicial is to use a wheel baĺansers/alignment spesialist that ungerstand electronic steering and have the obd2 tool to correct the stèring wheeĺ angle sensor percentage.

Hundreds of jimny attested that this is the only way to alighn skew steering wheel after a 50 mm lift, to bring the vehicle steering wheel back straight in SA

The electric steering component at the steering wheel value have to be corrected with an obd2 scanner writer.

des-sol.co.za/addressing-steering-wheel-...n-your-lifted-jimny/


My original post with videos and the whole saga to find out there are indeed an electric steering wheel sensor at play after a lift kit install.

www.bigjimny.com/index.php/forum/6-jimny...mny-pulling-to-right
Last edit: 01 Apr 2024 11:04 by lookonimages.

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01 Apr 2024 11:06 - 01 Apr 2024 11:16 #255341 by mlines
As far as I am concerned, there is a sensor. It is used to measure the rate of turn and provide the angle of turn to increase or decrease the electric torque assistance the power steering gets.

The main thing I think it would affect is the lidar system

The Suzuki workshop manual implies it is effectively self resetting by averaging the position and therefore assessing the average to be the zero position

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Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Last edit: 01 Apr 2024 11:16 by mlines.

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