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Help needed with IID Tool and Locking Rear Diff

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CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3336

2008 Discovery 3 TDV6 HSE Auto Tangiers Orange

Help needed with IID Tool and Locking Rear Diff

Following on from my epic fault with the locking rear diff since owning the G4..... Pat at GAP and I have identified a possible issue, but we could do with checking that the IID Toold is getting the correct readings for the Locking Rear Diff ECU temp sensor......is there anybody local to me that would happy for me to pop round and connect up the IID Tool for 5 mins, or somebody who has an IID Tool and a locking rear diff who would able to check theirs for me? (Must be IID Tool, not Faultmate)

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Last edited by CDS on 3rd Mar 2015 3:19 pm. Edited 2 times in total

2nd Mar 2015 11:45 pm

SHARKYSHARKS

Member Since: 20 Dec 2008
Location: Saddleworth Oldham
Posts: 1954

Sorry Clive I haven't locking rear diff

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3rd Mar 2015 8:35 am

SHARKYSHARKS

Member Since: 20 Dec 2008
Location: Saddleworth Oldham
Posts: 1954

Andy from Tag on the Tanners ind est has a G4 give him a shout

3rd Mar 2015 8:37 am

Robbie

Member Since: 05 Feb 2006
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Posts: 17932

2013 Discovery 4 3.0 SDV6 HSE Auto Baltic Blue

To help broaden your search if anyone in my area has a D3 with locking diff I can do the rest.

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3rd Mar 2015 8:41 am

geoff.

Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

clive

give (ian) farmer chalk a shout he has a 2008 G4 and i need to see him very soon and if he doesn't mind which i,m sure he won't i could help out

3rd Mar 2015 8:46 am

CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3336

PM's sent to Farmer Chalk & Andy from Tag (g4 fergy)

Thanks Chaps

Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs

3rd Mar 2015 11:41 am

CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3336

A quick visit from g4 fergy reveals I have a sensor/ wiring issue:

Mine:

Andy's:

Looks like Pat got the software spot on

I figured the Blue & White wires running from the Rear Diff up to the ECU are +/- for the motor temp sensor, but not yet sussed what feeds the clutch tmep sensor??

Again big thanks to g4 fergy and good to meet you today

Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs

3rd Mar 2015 3:17 pm

Bodsy
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Posts: 21361

2007 Discovery 3 TDV6 HSE Auto Java Black

Well that's certainly a help

Check out a similar problem Andy had with the TCCM.

http://www.disco3.co.uk/forum/topic123156-15.html Bodsys Brake Bible

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3rd Mar 2015 3:23 pm

CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3336

Yep, I had that in mind TBH.....think a helper and some continuity testing between the ECU plugs and the Diff plugs in order.

BTW, how does that connector attached/ detach from the Rear Diff.....handy to know as I'll have to work blind to get it off I guess

Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs

3rd Mar 2015 3:28 pm

Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361

The sensor just screws in. Might be worth replacing or taking out and checking resistance in cold/hot water?

I'll e-mail you the bits you need. Bodsys Brake Bible

D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling

Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here

3rd Mar 2015 3:39 pm

Farmer Chalk

Member Since: 06 Mar 2013
Location: Independent Republic of Kentishshire.
Posts: 4195

Gents more than happy to use mine as a guinea pig... Geoff knows where it is during the day and he can download whatever you need from it.....

3rd Mar 2015 8:17 pm

CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3336

Thanks for all the offers of help.....now fixed

http://www.disco3.co.uk/forum/topic106413-30.html
Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs

4th Mar 2015 8:07 am

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