v40 Windscreen wiper fault

Lazy1948 · Aug 13th, 2012, 09:26

Hi. The wipers on my 2000 v40 wont self-park nor work on intermittent!
I've checked the motor and stalk (ie. changed them). I suspect that there's a relay that controls these functions, but so far, I've been unable to locate it! I've recently been inside the ECU to replace a headlight relay, and noted that there are others lurking in there! From what I've read, the ECU is not the most relable of units. So. My question therefore is do the symptons indicate a relay problem, or something else, and where is the wiper relay located? Thanks.

baldmosher · Aug 16th, 2012, 15:53

If you try and search for my thread on the CEM (it's not called the ECU) you'll probably find all the answers you need there

Afraid I'm too lazy to search for it for you

Lazy1948 · Aug 18th, 2012, 08:33

Hi Baldmosher, thanks for your reply.
I have tried trawling the threads as you suggest, but so far, have drawn a blank! Am I missing something? I've tried "V40, Windscreen, CEM, relays, etc" and combinations of these, all to no avail! If you could give me a lead I'd be very grateful.
Thanks

gatos · Aug 18th, 2012, 12:16

Was the mechanism you bought in perfect working order? My first answer would have been that it is the motor's fault. However, since you have removed the CEM and changed a relay, it is possible that something has also been done to the relay in the CEM that controls the wipers. Either open it up and try to locate that relay and replace it, or get a replacement CEM

Aug 13th, 2012, 09:26	#1
Lazy1948 New Member Last Online: Sep 19th, 2013 09:57 Join Date: Aug 2012 Location: guildford	v40 Windscreen wiper fault Hi. The wipers on my 2000 v40 wont self-park nor work on intermittent! I've checked the motor and stalk (ie. changed them). I suspect that there's a relay that controls these functions, but so far, I've been unable to locate it! I've recently been inside the ECU to replace a headlight relay, and noted that there are others lurking in there! From what I've read, the ECU is not the most relable of units. So. My question therefore is do the symptons indicate a relay problem, or something else, and where is the wiper relay located? Thanks.

Aug 16th, 2012, 15:53	#2
baldmosher moshmobile driver Last Online: Apr 22nd, 2023 16:07 Join Date: Nov 2010 Location: Warrington View Photos By: baldmosher	If you try and search for my thread on the CEM (it's not called the ECU) you'll probably find all the answers you need there Afraid I'm too lazy to search for it for you __________________ baldmosher™ Drives: 63 V60 R-Design Lux Nav P* 106K Kill List: 07 S40 SE Sport D5 120K V40 SLux 1.9D 306K V40 S 1.9D 152K VW T4 LDV Pilot Golf GL 1.9TD Saxo 1.1i Fiesta 1.0 Pop

Aug 18th, 2012, 12:16	#4
gatos Premier Member Last Online: Nov 15th, 2022 21:34 Join Date: Apr 2010 Location: London / Essex	Was the mechanism you bought in perfect working order? My first answer would have been that it is the motor's fault. However, since you have removed the CEM and changed a relay, it is possible that something has also been done to the relay in the CEM that controls the wipers. Either open it up and try to locate that relay and replace it, or get a replacement CEM __________________ Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba

Aug 18th, 2012, 08:33	#3
Lazy1948 New Member Last Online: Sep 19th, 2013 09:57 Join Date: Aug 2012 Location: guildford	Hi Baldmosher, thanks for your reply. I have tried trawling the threads as you suggest, but so far, have drawn a blank! Am I missing something? I've tried "V40, Windscreen, CEM, relays, etc" and combinations of these, all to no avail! If you could give me a lead I'd be very grateful. Thanks

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