Power steering calibration

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My Name: ASH

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Hi guys

I have a c3 1.4hdi and the steering is pulling when stationary.

I have been told that it can be calibrated using a lexia 3.

I have now brought a lexia 3 and was wondering if someone can point me in the right direction on how to do it.

Many thanks in advance.

ASH
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My Name: C3CAR

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Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Hello ASH. I have never had to do the calibration, but you can access the steering ECU in Lexia, from:

Diagnosis, test by function, driving aids, power assisted steering, electric power steering ecu.

Lexia will probably talk you through the steps required (well, it does for some jobs).

Good Luck!
My Name: P1darbs

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Hello, I have not got lexia3 yet!! But do have the problem of NO power steering & it jerking the wheel left or right when pulling away slowly... And my speedo has stopped at 0???
The two must be connected... I have purchased a speed sensor drive cog... This sits under the sensor... Can anyone tell me where the sensor is?
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My Name: C3CAR

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Posts: 2708
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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The speedo gets its reading from different places, depending on the spec of the car, some take it from the ABS, others from the gearbox.

If its driven by the gearbox then the drive sensor is on the rear of the gearbox housing - next to the inner end of the right hand drive shaft.
My Name: Missing Lincs

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Joined: Mon Mar 05, 2012 9:29 pm
Model: C3 2002-2005, Original shape model
Year: 2004 (04)
Engine Size: 1.1
Fuel Type: Petrol
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Location: United Kingdom
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P1darbs wrote:But do have the problem of NO power steering & it jerking the wheel left or right when pulling away slowly... And my speedo has stopped at 0??? The two must be connected
I'd say they are very much connected. The power steering is speed sensitive so without a reading for speed there's a good chance it has disengaged as a safeguard.
As C3CAR says, where the speed reading comes from depends on the car, what model and year do you have?
If at first you don't succeed, destroy all the evidence and pretend you never tried :lol:
My Name: P1darbs

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Joined: Sat Feb 16, 2013 8:40 pm

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Yes I found the speed sensor on the bsck of the gearbpx once removed I cleaned the connections and reinstalled but didn't resolve the issue.
I have ordered a new sensor so will try again tomorrow.
My Name: P1darbs

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Fitted new sensor & drive pinion still not working! Not sure what to do now :-(
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My Name: C3driver52

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Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
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Hi P1darbs

I think its time to do some proper diagnosing of the problem with some testing, seeing as the 'changing bits and hoping for the best' has failed this time :(

lexia tool for Citroen (our topic) is the choice for testing the computer system on the C3.

Other choices for testing are an oscilloscope on the output of the speed sensor. This can then prove or disprove the gearbox/speed sensor and move you towards the wiring,BSI,dashboard display and anything else in between.

You need to check that

1. the speed sensor is giving an output

2. the speed signal is getting to the BSI /engine ECU

3. a signal is also getting to the dashboard display

While you are connected to the diagnostic port, I would read out all the error codes and see what the power steering ECU has to complain about.
My Name: P1darbs

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Joined: Sat Feb 16, 2013 8:40 pm

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Thanks for the guidance...
Hears the bad news, took the car to Peugeot/Citroen specialist as they have the dealer equipment! They couldn't give me a quote for the job as they said could be anything and wouldn't get an exact fault diagnosis???

So feeling pretty fed up went to see my mate who has a SOLAS (snap on) we plugged in and got loads of errors and bad news tried to clear the faults but they appeared to remain so we gave up and I left to do some research.

As I drove away I noticed the speedo was reading then turning the steering noted the power steering had returned... YAAAAHHHHOOOO
I have been driving all day in it done perhaps 100 miles and everything is working.
Seems that clearing he codes allowed the ECU to rethink what was happening & perhaps even the new speed sensor also helped anyway problem sorted.

Here are the some of the codes found...
C1400 torque sensor information fault
P0500 vehicle speed information fault
P0654 engine status information fault; value received incorrect

For the record I noticed on the second scan after scrolling back and testing the steering whilst stationary the torque sensor information code C1400 did not reappear and it was only once driving the car that the ECU recognised the the other two codes were now working properly.

I will be buying my mates a big drink this weekend for sure!! As this was a no charge fix!!!
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