Nick Arnold Posted January 28, 2023 Share Posted January 28, 2023 Morning all, New to the group, so Hi 🖐️ I have a 2016 mk5 Mondeo vignale which upto not has been perfect, but recently the front heated seats have stopped heating up, the switch lights up and the fuse is ok, the wife has said this morning that she thinks the heated screen isn't working either. The battery was replaced about 6 months ago, due to the car not being used very much and the start/stop function stopped working etc. Is there a heating module on the car that controls the heating side of things? I havent checked on forscan yet to see if this function has disabled itself for some reason , but I will do this today. Any help will be appreciated. Cheers😄 Quote Link to comment Share on other sites More sharing options...
unofix Posted January 28, 2023 Share Posted January 28, 2023 Have you measured the battery voltage at the terminals with a multimeter, one hour after it has been parked ? Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted January 29, 2023 Author Share Posted January 29, 2023 (edited) Hi Unofix I haven't no, what should Voltage be please? and is the time taken important or can it be at least an hour after being parked up? Edited January 29, 2023 by Nick Arnold adding question 1 Quote Link to comment Share on other sites More sharing options...
unofix Posted January 29, 2023 Share Posted January 29, 2023 Time is not critical, 1 to 8 hours is best. Voltage should be at least 12.32V 2 Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted January 30, 2023 Author Share Posted January 30, 2023 12.37v after 1hr, so around 75% 1 Quote Link to comment Share on other sites More sharing options...
unofix Posted January 30, 2023 Share Posted January 30, 2023 Best coarse of action would be to check with FORScan and see if there are any DTC's present. 1 Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted February 2, 2023 Author Share Posted February 2, 2023 Brilliant, thank you.....but whats a DTC?😁 Quote Link to comment Share on other sites More sharing options...
unofix Posted February 2, 2023 Share Posted February 2, 2023 DTC is automotive industry standard for 'Diagnostic Trouble Code' Connect to the cars OBDII port with a vLinker FS cable. https://www.amazon.co.uk/Vgate-vLinker-Adapter-FORScan-MS-CAN/dp/B0952P4MLP/ref=asc_df_B0952P4MLP/?tag=googshopuk-21&linkCode=df0&hvadid=534732308385&hvpos=&hvnetw=g&hvrand=9441853703584675102&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1006688&hvtargid=pla-1430824679036&psc=1 1 Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted February 4, 2023 Author Share Posted February 4, 2023 Ok so I have checked on Forescan and found this error code- Is this the module with an open circuit? or is it an open circuit somewhere within the circuit? i.e. the heated seat pad? Quote Link to comment Share on other sites More sharing options...
unofix Posted February 4, 2023 Share Posted February 4, 2023 More likely a partly unplugged connector or a damaged wire. Not the heated seat pads as that would not affect both seats and both bottom and back. Failing that then a fault with the seat control module. Quote Link to comment Share on other sites More sharing options...
iantt Posted February 4, 2023 Share Posted February 4, 2023 Do all the other controls work on the seat ok. As forscan seems to think you have contour seats , does that work ok? Heated seats are separate to the seat operations as far as I'm aware. Heated seats are controlled by the fcim. Front control interface module. Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted February 4, 2023 Author Share Posted February 4, 2023 Yes all other functions of the seats work, all contours and massage, it is just the heater aspects that don't work on either Quote Link to comment Share on other sites More sharing options...
unofix Posted February 4, 2023 Share Posted February 4, 2023 Check fuse F65 (20 Amp) Engine compartment fuse box (battery Junction Box). Check fuse F12 (7.5 Amp) Passenger compartment fuse box. I can upload the full Ford wiring schematics to my Google drive if they will be of help. 1 Quote Link to comment Share on other sites More sharing options...
unofix Posted February 4, 2023 Share Posted February 4, 2023 Power seats Quote Link to comment Share on other sites More sharing options...
Nick Arnold Posted February 5, 2023 Author Share Posted February 5, 2023 Thank you, I did check F65 and that was ok, but was unaware of the F12 👍 Quote Link to comment Share on other sites More sharing options...
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