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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Heated seatsViews : 675 Replies : 10Users Viewing This Thread : |
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Dec 11th, 2017, 19:08 | #11 |
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Last Online: Aug 19th, 2018 13:57
Join Date: Aug 2016
Location: heers
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Hi guy's,
I think I figured it out .I found the right schematic and now I found the right (?)explanation. The switches are plugged in to the AC circuit no wires,connected direct to the PCB .This is because PH 2 has two posible positions and it goos out with only one wire by wich you choose the wanted heating power( hi,low power) to the CEM . From the CEM it is connected to the heating pads temp sens and switch in the seat.The only thing is to find witch wires go from AC to CEM as there are no colours added on the schematic. I try to upload the PDF so it is more clear how it is made. In the PH1 the switch has only one heating position and the CEM is left out off it. What goos on in the CEM I have still to find out. Last edited by loely; Dec 11th, 2017 at 19:21. |
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