grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6404
  
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no i mean to remove both battery terminals after car went to "sleep" than connect both cables for like 20 seconds
G
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 5th Jan 2022 1:43 pm |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13022
 
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The important thing is car must be asleep when you do it. Takes several minutes to do that. .
Dean
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2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer  ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
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| 5th Jan 2022 1:50 pm |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6404
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most times 120 seconds
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| 5th Jan 2022 1:55 pm |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
 
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I think I did this because I changed the battery and it certainly took more than 120 seconds 
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| 5th Jan 2022 3:51 pm |
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nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244
 
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You need to do this ...
https://www.disco3.co.uk/wiki/Hard_Reset I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
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| 5th Jan 2022 5:13 pm |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
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Done. Not sure how to test this other than driving it and seeing if the errors have gone..
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| 6th Jan 2022 10:31 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6404
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if you got IIDTool scan the car and see if it shoots crap again
or if anything changed at all
G
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| 6th Jan 2022 10:57 am |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
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Scanned it but no new faults yet.
However, when I switch on the ignition, the battery warning light stays on (never did before) and IID says the battery voltage is 12. Started and the alternator goes to 14.7.
Switch off the engine and the voltage on IID falls slowly to under 13. DIdn't do any of this before.
The voltage at the battery is 12.5 but from positive to the engine block it is 12.63 and from negative to the engine block it is 0.18. Doesn't seem right somehow
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| 6th Jan 2022 2:25 pm |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6404
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no new fault meaning all previous ones are gone and you can only see battery behavior now?
faulty battery or maybe check whether ground cable opposite side to battery low in engine bay is attached solid and has no "corrosion"
Greg
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| 6th Jan 2022 2:45 pm |
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N5Fav
Member Since: 28 Jan 2021
Location: LEICESTER
Posts: 134
 
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sceh wrote:Scanned it but no new faults yet.
However, when I switch on the ignition, the battery warning light stays on (never did before) and IID says the battery voltage is 12. Started and the alternator goes to 14.7.
Switch off the engine and the voltage on IID falls slowly to under 13. DIdn't do any of this before.
The voltage at the battery is 12.5 but from positive to the engine block it is 12.63 and from negative to the engine block it is 0.18. Doesn't seem right somehow
What you're measuring there is 'volt drop', both of which are less than 0.25v so not much to be concerned about.
However the battery warning light staying on could be a sign of an alternator problem, and potentially discharging battery overnight 1994 Defender 300tdi 110 commercial
2007 Disco 2.7 XS Buckingham Blue
1959 Standard 10 Coffe & Cream
1974 Vauxhall Magnum 1800 estate Olivine Starfire Green
1994 Renault 19 Cabrio
1995 Kawasaki GPz 1100
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| 6th Jan 2022 3:15 pm |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
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All the previous ones are still in the ODB memory but there seem to be no new ones. I am checking for confirmed faults only. I'll check the earth cable
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| 6th Jan 2022 3:17 pm |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6404
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Were you able to clear the previous faults at all after reset?
G
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| 6th Jan 2022 3:18 pm |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
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Yes, cleared them all after mailing them to myself.
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| 6th Jan 2022 4:04 pm |
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sceh
Member Since: 14 Sep 2011
Location: annecy
Posts: 233
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opposite side to battery low in engine bay..
I have the workshop manual but it is a bit vageu on this. It shows a short ground cable from the battery to a pillar though I haven't actually found it yet.
When you say 'opposite side' do you mean the drivers side (since the battery is on the passenger side on my car - LHD)
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| 6th Jan 2022 4:07 pm |
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pjm-84
Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2592
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If they don't come back don't worry.
Mine had about 70 faults which resulted from a low battery before my ownership. Cleared and never returned
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| 6th Jan 2022 4:15 pm |
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