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Ford Focus MK2 1.6 2009 - Wipers only working on fast speed - Fixed #

Posted by Peter Warman on March 28, 2017, 9:16 am

Year of Manufacture *: 2009
( Optional ) Engine Code or CC: SHDA

Hi All

Chassis: WF0PXXGCDP9J56571

Customer says the wipers only work on the fast speed, we have had it in twice and both times working OK

Came back in this morning, working OK but then started to just work on high speed, if you come down one speed they just stop mid screen, but work again on high speed

Have done a bit of digging but cannot find anything around that year

The wiring diagram shows 2 relays in a "Wiper Control Unit" but not sure if this is a separate item

Looks like it it may be a fairly common fault, have had this on other vehicles and always a motor fault, anyone seen this before?

Thanks

Peter

Update

Posted by Peter Warman <iframe src='https://members4.boardhost.com/ukautotalk/info/user=Peter+Warman' width='330' height='300' border=0 style='border:none;'> on March 28, 2017, 10:59 am, in reply to "Ford Focus MK2 1.6 2009 - Wipers only working on fast speed"
Peter Warman

OK

I have found the procedure to test the system

"With the ignition on check for 12 volts at fuse 129 if there isn't 12 volts at the fuse then the fault is an internal fuse box/GEM failure. If there is 12 volts then disconnect the wiper switch connector and bridge terminals pin 6 (black/green) and pin 3 (black/white) with the ignition on the wipers should run continuously on slow speed, if they do the switch is faulty.

If the wipers don't run then disconnect the wiper motor connector and check for 12 volts at pin 2 (white/green) of the connector with the ignition on (leave the wiper switch bridged). If there isn't 12 volts then the fuse box/GEM is faulty. If there is 12 volts then check pin 4 of the wiper connector (black) for continuity to earth, if this is OK then replace the wiper motor. If there is no earth then there is a break in the earth wire for the motor.

There are no relays for the wiper system it is controlled by the fuse box/GEM, this is the clicking you can hear. If the fuse box/GEM requires replacement then the new unit needs to be programmed to the car as it is a control module for various systems on the car."

I have managed to bridge the pins on switch connector and they do not run on the slow speed

Not going to get a chance to strip further today, so will re book and keep you posted

Peter

Re: Update

Posted by andrew young <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5148' width='330' height='300' border=0 style='border:none;'> on March 28, 2017, 6:16 pm, in reply to "Update"
Andrew Young

Have you checked fuse/gem box for water ingress.Not uncommon to see these with washer fluid migration from the wash pump wiring loom.

Re: Update

Posted by Colin Hedger <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1335' width='330' height='300' border=0 style='border:none;'> on March 28, 2017, 10:13 pm, in reply to "Re: Update"
Colin Hedger

I think also condensation from aircon pipes also drips onto the multi-plug connections of the GEM module (under dash on passenger side).I had to carefully remove every female pin in every multiplug in mine to check and clean corrosion (no mean feat under there!)
Hope this helps.

Colin.

Re: Update

Posted by Peter Warman <iframe src='https://members4.boardhost.com/ukautotalk/info/user=Peter+Warman' width='330' height='300' border=0 style='border:none;'> on March 29, 2017, 12:40 pm, in reply to "Update"
Peter Warman

Thanks for replies guys

Did some more testing yesterday afternoon and it kept dropping the power to the motor, so looks like a GEM problem

Did drop it down this morning and checked it over for any water ingress

Customer has agreed for the repair next week (new GEM)

Peter

Fixed #

Posted by Peter Warman <iframe src='https://members4.boardhost.com/ukautotalk/info/user=Peter+Warman' width='330' height='300' border=0 style='border:none;'> on April 6, 2017, 1:50 pm, in reply to "Ford Focus MK2 1.6 2009 - Wipers only working on fast speed"
Peter Warman

Now Fixed

GEM replaced

Thanks to Darren Cotton for swapping out and re configuring

Peter

Re: Fixed #

Posted by Shaun Dale <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT2719' width='330' height='300' border=0 style='border:none;'> on April 7, 2017, 2:56 pm, in reply to "Fixed #"
Shaun Dale

I've used Darren for stuff I can't configure, top bloke.
Last one of these I had I replaced the relays as water had got underneath and corroded some pins off it!
Shaun.

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