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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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V50 stop start advice neededViews : 2121 Replies : 16Users Viewing This Thread : |
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Mar 11th, 2016, 23:28 | #11 |
New Member
Last Online: Dec 28th, 2021 18:42
Join Date: Feb 2016
Location: Aberdare
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Thanks for the replys so far!!!!
So here's a quick update. Just finished replacing my cluch and duel mass charged my brand new battery for 2 days. Removed the bumper to get to the secondrey battery removed it from the car tested the battery and got 12.6 volts. Checked the wiring from the battery to the fuse box all OK. Can anyone tell me what the blue relay box is?? It's under the air box. Seems to have two red cables running to it and a multi plug. Am I right in thinking that this is the stop start relay?? Anyone know how to test it Thanks Steve |
Mar 24th, 2016, 18:50 | #12 |
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Last Online: Jan 11th, 2022 09:40
Join Date: Oct 2014
Location: Leicester
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I definitely agree with above, when the outside temp sensor on my V50 was faulty (reading -23 degrees), the start stop which used to work when the temperature reading was normal has stopped.
I have guessed that because of the assumed low temperature, the system has disabled the start stop function which is what happened to my V50. I also found that when other electric items are plugged in it would not work sometimes as well, or even if the fan/blower is on medium. |
Mar 26th, 2016, 11:47 | #13 |
Speed freak
Last Online: Apr 3rd, 2020 23:04
Join Date: Nov 2003
Location: Yorkshire
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That relay is glowplug relay from memory, the s/s relay is a grey relay in engine bay fuse box,
Charging the battery won't do squat without having the battery monitoring system counter reset
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Aug 18th, 2017, 15:05 | #14 |
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Last Online: Aug 18th, 2017 15:07
Join Date: Aug 2017
Location: Bradford on Avon
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How exactly do you charge the stop start battery
With my 2009 V50 D Drive I am finding with short journeys the Stop Start function/battery is failing. Last service cost me with a dealer overnight SS battery charge.
Does the SS battery get charged after a main battery charge. Example if main battery is fully charged, will it then trickle feed SS battery? Or How do you directly trickle charge the SS battery. , noting is position behind bumpers etc. I do note the Volvo caution of NOT connecting jump leads to the main battery neg terminal; connecting neg to V50 body instead. Whats that significance! |
Aug 18th, 2017, 15:13 | #15 | |
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Last Online: Today 14:09
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Location: L/H side
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Quote:
The Aux battery gets charged all the time the engine is running , Very very rare for one to go faulty . Connect the Earth lead of a charger to chassis so that all the loads go through the battery monitor on the negative terminal , It stores all sorts of data regarding battery use and condition .
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May 16th, 2018, 11:15 | #16 | |
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Last Online: Apr 14th, 2019 14:53
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Location: Dover
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Sorry to crash this thread
Quote:
I too have problems with my volvo V50 1.6D 2010. Tried giving the main battery a really good charge but still no luck. I never knew there were 2 batteries, I have tried to look for the second Aux battery where you said but can't see it, space is too tight and very crowded. Any advice and tips on how to get to it to check/charge/replace it. Is it a case of removing the complete full bumper. |
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May 16th, 2018, 21:59 | #17 | |
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Last Online: Today 14:09
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Location: L/H side
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Quote:
The small Aux. reserve battery has no effect on the start/stop not working unless it is completely useless , I have never come across one yet .The Main battery is the one which is monitored and does all the Stop/start work .
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