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Ford C Max 2003 - Steering assist failure #

Posted by James Rushforth on September 19, 2011, 9:18 pm

Year of Manufacture *: 2003 (53)

I have Ford C Max coming up with steering failure on the cluster after engine start. The power steering appears to function ok according to the customer although I thought it a little stiff.
The fault in the system is for the steering angle sensor, open circuit, short to ground.
I spoke to Ford parts and they were no real help and couldn't tell me the location of the sensor. i myself think its part of the airbag squib at the back of the steering wheel but not 100%.
It has 6 wires on it, 2 for the horn contact, 2 for the airbag, and i'm thinking the other 2 for the SAS. I'm not too sure as the sensors i've done before have had a power and ground connection to them also.
Anyone shed any light on the location, or had any experience with this fault?

Re: Ford C Max Steering assist failure

Posted by andyhyoung <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5148' width='330' height='300' border=0 style='border:none;'> on September 19, 2011, 10:18 pm, in reply to "Ford C Max Steering assist failure"
Andrew Young

Not totally sure about C-max,but a standard focus with electric/hydraulic pas has the angle sensor in the steering rack turret.Access from engine bay.The last one I looked at flagged angle sensor fault but there was no power supply to it.Further tests showed this sensor +feed from the power steering pump.New pump fixed this.hth

Re: Ford C Max 2003 - Steering assist failure #

Posted by James Rushforth <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1400' width='330' height='300' border=0 style='border:none;'> on September 26, 2011, 8:47 pm, in reply to "Ford C Max 2003 - Steering assist failure #"
James Rushforth

Thanks Andy, I checked for a supply voltage on the sensor but nothing, so I am thinking along the lines of the control unit fault.

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