All Things Mk5 > How to Guides / Troubleshooting
Coolant temp high
howie1987:
So i sat and let it get to over 100degrees and not one fan came on.
My gauge in the car sat at 90 the whole time, just the polarFIS saying it was over 100.
I let it cool down. then went a drive and it was fine. then i turned the car off for 10 mins. and now no polarFIS in the menu and other things aswell.
Here's a video of what i have in the menu now.
I'm starting to think the polarFIS is gubbed. i've also noticed my wing mirror doesn't dip, when i go in to reverse and it use to. its strange.
I originally got it booked in to a garage on weds coming, for overheating. but i gave them a phone about the polarFIS and they didn't even know what it was. so god knows what to do with that as i didn't fit it, it came with the car so i don't even know where to start.
i have a pic of the version that was on it.
Shoduchi:
You need to update that PolarFIS. The current version is 0.4.9. I'd start by disconnecting the battery to reset the PolarFIS. Then update the module.
I'd then check the coolant temp with VCDS to make sure the module is reading correctly. You need to exit the menu of the PolarFIS for the VCDS to work properly, they don't work well at the same time.
howie1987:
--- Quote from: Shoduchi on March 18, 2016, 07:48:53 pm ---You need to update that PolarFIS. The current version is 0.4.9. I'd start by disconnecting the battery to reset the PolarFIS. Then update the module.
I'd then check the coolant temp with VCDS to make sure the module is reading correctly. You need to exit the menu of the PolarFIS for the VCDS to work properly, they don't work well at the same time.
--- End quote ---
Its booked in for weds. i will just disconnect the polarfis when its in and see what they come up with.
Then sort out polarFIS.
Does polarFIS just give me the parameters etc? is it safe for me to just disconect it till i get it updated.
EDIT....
Had a wee look how i update it and luckilly i have an old hondata cable that is the same, so going to update tomorrow. i also now know where it is. i hadn't even heard of polarfis before i got a golf. hence the dumb questions.
See how it goes tomorrow.
howie1987:
So i checked my fans. both are not on and i let the car get to 110. had aircon on and no fan was on either. so looks like its the fans that are not coming on so aircon must not be working either. which being winter i haven't noticed.
Polarfis. i looked above the brake pedal and nothing there took the small panel off aswell. checked up behind glove box and nothing so i didn't get it updated but its back in my menu.
Shoduchi:
Your Ed. 30 is from what year? The CAN Gateway is positioned depending on the year of the car and the wheel position too.
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