C5 1.6 Hdi Steering wheel angle sensor

mooseshaver · Post by **mooseshaver** » 21 Sep 2010, 15:54

Another fault my Lexia showed me was wrong or no parameters? fromt he steering wheel angle sensor.
Is there some way a compelte muppet with a Lexia can recalibrate the sensor?

Post by **Paul-R** » 21 Sep 2010, 18:57

It's there somewhere - I managed it!

Not that that's much help in exactly where. I just poked around the menus until I fell over it. It was a Phase 1 though, I can't see the Ph I being so completely different.

cachaciero · Post by **cachaciero** » 21 Sep 2010, 19:31

mooseshaver wrote:Another fault my Lexia showed me was wrong or no parameters? fromt he steering wheel angle sensor.
Is there some way a compelte muppet with a Lexia can recalibrate the sensor?

It should be under ABS/ECP menu as I remember, assuming that the 1.6 has ECP if it hasn't then no calibration is required at least on an S1

cachaciero

citrokid · Post by **citrokid** » 22 Sep 2010, 21:28

what does this error mean and is a recalibratuion the solu.tion

Citroenmad · Post by **Citroenmad** » 22 Sep 2010, 22:28

I thought id odd that mine came up with this fault too, as its not a hydractive plus. Though as mine doesnt have ESP i cant imagine it has any effect on the car, ive put it down to me changing the Comms unit without coding. Might cause problems with cars with ESP though.

mooseshaver · Post by **mooseshaver** » 22 Sep 2010, 23:04

Not had a chance to have another go with it. I believe my VTR has ESP, but there are no warnings saying its been disabled.
The steering wheel is wonky. Driving straight on the wheel causes car to drive at an angle. That might be related?

Citroenmad · Post by **Citroenmad** » 22 Sep 2010, 23:21

I wonder if your car has had the Comms replaced at some point? Its a possibility i guess, as that would explain your wonky steering wheel too, as it has to be removed. Though that could be down to tracking or a number of things.

cachaciero · Post by **cachaciero** » 22 Sep 2010, 23:28

mooseshaver wrote:Not had a chance to have another go with it. I believe my VTR has ESP, but there are no warnings saying its been disabled.
The steering wheel is wonky. Driving straight on the wheel causes car to drive at an angle. That might be related?

The car drives at and angle to the steering wheel because at some point somebody has done the tracking on one side only.

This does mean that it's likely that the sensor will agree with the wheel which in turns means that when driving straight it will have an offset.

Get the tracking done with the wheel clamped in the straight ahead position then worry about the sensor.

On the S1 sensor calibration at straight is -127 degrees or +52 deg there is no hysteresis straight ahead can be either. I have to say I think it's a bit strange but that's the way it is, on mine at least, if this is wrong I would like to know.
It is probably not so strange, on S1 non ESP equipped cars there is a steering sensor but as far as I know it is only a left / right switch which goes into the BSI and as far as I know the only thing which looks at it is the autobox when fitted.
For cars fitted with ESP the sensor is connected to the ESP ECU via CAN bus and as well as position it also gives angular velocity.

I guess S2 cars being all CAN bus have the same sensor even if they don't have ESP and if they don't have an autobox either I can't see that it does anything for anything.

Both the Autobox and ESP are only interested that there is a deviation from straight, the autobox doesn't care if it's left or right it only uses the signal to suspend any gear change that may have been pending. The ESP needs to know if it's left or right after that it's only interested in how quick the wheel is moving, at least that's my understanding.

The ESP "knows" that the sensor has been calibrated BUT it has no real way of knowing that the calibration is not accurate so the ESP will not fail with a badly calibrated sensor, again thats as I understand it

cachaciero

mooseshaver · Post by **mooseshaver** » 23 Sep 2010, 10:22

The steering was perfect when I got it.
Then there was a winter pot hole.
The main Dealer has agreed to look at he faults and report them to my warrenty company in an attempt to get them fixed under the warrenty.
I bought the car far away, and garages around here generaly don't want to deal with the warrenty, even if I pay and get reimbursed by the warrenty.

RKM · Post by **RKM** » 30 Oct 2010, 22:50

For various reasons, including having the tyre pressure monitors replaced, I had my 56 plate C5 Exclusive being worked on at Citroen UK's HQ and I spoke to several senior technicians there. My car had the steering angle fault recorded in lexia, which they cleared. I was told that this was a common "ghost" fault and they did it when they were new. It is a strange quirk and does not affect how the system works

R

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C5 1.6 Hdi Steering wheel angle sensor

C5 1.6 Hdi Steering wheel angle sensor

Re: C5 1.6 Hdi Steering wheel angle sensor