CHANGED WIPER MOTOR BUT THEY ARE STILL INTERMITTENTLY WORKING

2001 Volvo S40

Tiny

Hueydude

October, 31, 2011 AT 2:40 PM

My 2001 Volvo S40's wipers won't park or work on intermittent. I replaced the wiper motor but this didn't fix it. They do work on low, high and will wash.

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6 Answers

Tiny

KHLow2008

October, 31, 2011 AT 4:01 PM

The wiper functions are controlled by the Central Electric Module (CEM) behind left end of dash. Have that checked.

Tiny

Hueydude

October, 31, 2011 AT 4:52 PM

Would it have to be a dealer to check this? The closest one is over an hour away so I would prefer not to. Is there any repair that can be done to the CEM or is it replacement only? (I know they run like $700 or so)

Tiny

KHLow2008

October, 31, 2011 AT 4:56 PM

It requires speciality tools to check and that would mean sending it over to the dealer. For electronic components, the dealer would definitely tell you it should be replaced as a unit but you can try checking to see if there are any shops that does reman for the component.

Tiny

Hueydude

October, 31, 2011 AT 6:23 PM

So does this mean I can rule out replacing the switch?

Tiny

KHLow2008

October, 31, 2011 AT 6:35 PM

No, you need to test and confirm if the switch is the cause or is it the CEM.

Tiny

JIS001

November, 2, 2011 AT 4:03 AM

I agree with KHLow2008 that the fault will most likely be with the Central Electronic Module and it would be better to take it in to have it diagnosed properly.

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