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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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What is the "ECC"?Views : 3139 Replies : 30Users Viewing This Thread : |
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#1 |
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Hi all,
I've been going through all the fuses in my V70 on the look out for anything amiss. I have found one 5A fuse (I think it's number 26 under the glove box) which blows immediately every time I replace it. The owner's handbook says this fuse protects the alarm siren and ECC circuit. Can some kind soul please inform me what on earth an ECC is, please? Thanks! |
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#2 |
Member
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Seems it's the electronic climate control. It's drawing too much current for some reason, so I'll have to remove the unit. Hope it's not going to be a pain!
I kind of notice not having a heater in winter! |
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#3 |
Premier Member
Last Online: Jun 17th, 2024 18:49
Join Date: Dec 2002
Location: Renfrewshire
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Could be your blower motor? What is the year/model of your car?
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Tek-Emo Villis Emo Bis V70 SE NAV 1.6 D2 2015MY POWERSHIFT, D4162T, 93000miles, RED. /VOL FCR/PEPER OBD2/Acron 9135 OBD2/L.E.D Flasher/VDASH/ANCEL BA301/Topdon Top Scan |
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#4 | |
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Seems ECC problems are quite common with Volvos. |
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#5 |
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Getting late here now so I'll sign off for today, I think.
Cheers! |
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#6 | |
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Last Online: Yesterday 22:27
Join Date: Jun 2007
Location: L/H side
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#7 |
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Could be. Either the siren or the ECC; they're both fed off this one fuse. Weather's pretty horrible today so I'm going to investigate further tomorrow and Friday. Try to find some point after the fuse where the two circuits diverge and test them individually. A simple resistance check should quickly show up which of them is at fault. Hopefully it'll be the siren, because I don't bother locking the car up here on this island and indeed most people here don't either. I can just yank that feed out of circuit and get on with something more fulfilling.
![]() Last edited by Jinxie; Dec 12th, 2018 at 13:30. |
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#8 | |
Experienced Member
Last Online: Yesterday 22:27
Join Date: Jun 2007
Location: L/H side
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#9 |
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Neither the siren nor the ECC will work when a new fuse blows straight away. I suppose it could be argued that since the siren is only ever rarely activated the most likely cause of the problem lies in the ECC, but there are few certainties these days what with MUX and stuff making simple things unduly complicated.
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#10 |
Senior Member
Last Online: Mar 15th, 2021 22:31
Join Date: Jun 2017
Location: Nuneaton
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Do you ever get the "alarm system service needed" or something like that pop up?
The siren is a common fault, the internal batteries leak.
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S80 P3 SE LUX D5 Auto |
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