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front wipers not functioning

troyporsche
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troyporsche Member

troyporsche

Posted
Posted

hey guys im having a some what of an issue with my c.s front wipers, they dont work. the front jets washer work so does the rear wipers. (1) i have checked all the fuses inside and in the engine bay (2) checked that the bonnet is closed cause i know it wont work if the bonnet is opened (3) using a snap on diagnostic tool i scanned the vehicle wiper module. no cummunication with the wiper ecu (4) checked the wiper motor connectors and wires theres 5 wires im getting earth and positive (5) i jumped the gun and bought a second hand wiper motor on ebay still no luck , theres possiblity that the motor i brought is faulty.

does anybody have a wiring diagram for the wipers to the body control ecu 

or can help me with this issue 

Ddavidoff Member

Ddavidoff

Posted
Posted

I have heard of the bushings in the arms seizing up. Does the motor run when not connected to the arms?


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ekstroemtj Member

ekstroemtj

Posted
Posted

One day when they changed fuel pumps after the wipers didnt work. The guys didnt understand what happend here. In the end it was a wire connection running under the back seat which they forgot to connect again

  • Upvote 1
troyporsche Member

troyporsche

Posted
  • Author
Posted
5 hours ago, ekstroemtj said:

One day when they changed fuel pumps after the wipers didnt work. The guys didnt understand what happend here. In the end it was a wire connection running under the back seat which they forgot to connect again

i bought the vehicle with the wipers not working , the last owner said the vehicle was never used so the battery died. when he replaced the battery noticed the wipers wasnt working. i have checked and replaced the battery myself just make sure it was a fault battery 

troyporsche Member

troyporsche

Posted
  • Author
Posted
6 hours ago, Ddavidoff said:

I have heard of the bushings in the arms seizing up. Does the motor run when not connected to the arms?


Sent from my iPhone using Tapatalk Pro

i have no movement from the motor at all

troyporsche Member

troyporsche

Posted
  • Author
Posted
3 hours ago, Ddavidoff said:

Did you check the bonnet micro switch?


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Yh I have checked the micro switch and the wires it connects to

  • 4 years later...
Porscheguy957 Member

Porscheguy957

Posted
Posted

Did you ever find out the cause of this issue? I have a similar situation. Everything is working except front wipers. Washer fluid working just fine. I have an aftermarket radio installed and think it is causing CAN confusion. 

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