Member Since: 21 Oct 2016
Location: kent
Posts: 13597
That’s fantastic , thanks so much for doing that as it makes it look considerably easier to follow
Top man
Ps, please don’t shoot the messenger , lol, is the instrument panel pin 1 and 2 for the high canbus
Apologises after all ur hard work as I think I’m reading it wrong
Many thks
25th May 2020 12:15 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Wonder if this makes life easier ,as u drawing it out like that is brilliant
See the op got the low voltage error on pins , 14 to ground
Op reading / 0.875v 14 to ground.
Which is high speed canbus low
Feel really bad now after u taking the time to do that great drawing
Ps, the last 2 x sheet are the low , I did happen to notice the small low symbol on the sheets , near the bottom left hand corner
Click image to enlarge
Click image to enlarge
Click image to enlarge
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Click image to enlarge
Click image to enlarge
25th May 2020 12:32 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Just taken a quick screenshot showing the small symbol as u zoom in on the page
Once again massive apologises as I feel terrible saying anything
25th May 2020 12:52 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Hi @Briscoe05
So I’ve just bought a breakout box for the OBD2 socket and some test leads which include the ones that fit into the breakout box
Therefore I then thought I could at least do some tests as a comparison with mine , if in the mean time ur still having issues and therefore try and help it along
But will see how we get on first
Click image to enlarge
25th May 2020 1:06 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Sorry double post
25th May 2020 1:09 pm
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1780
GS, I will definitely need to go to Spec Savers to read the small print but at least the flow and plugs should be right. Thanks for the assistance.
Have fixed the sheet up by changing the Instrument cluster pin from 6 to 1 now to replace in the gallery.
25th May 2020 11:10 pm
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1780
Have fixed up the picture but cannot find an easy way to replace file so will update with a new one
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Globetrotter448 wrote:
GS, I will definitely need to go to Spec Savers to read the small print but at least the flow and plugs should be right. Thanks for the assistance.
Have fixed the sheet up by changing the Instrument cluster pin from 6 to 1 now to replace in the gallery.
Ur so welcome , felt really bad after u went to all that trouble creating the data sheet
Indeed if u use the last 2 x electrical diagrams that will have the correct pins numbers etc
Ie , instrument panel will indeed be pin 2
Diag socket pin 14 and so on
Of course Plse let me know if I can help in any way
26th May 2020 12:28 am
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1780
Ah!!! yours is LHD whilst mine was RHD. Don't think it is any difference though.
26th May 2020 1:17 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Indeed drive on the left with a right hand wheel , plus harder to work on because ur gravity goes the wrong way to mine
26th May 2020 3:58 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
So been doing some more digging , ohms error is between pins 14 - 6 getting 120 ohms , then between pins 14 to ground getting 0.875Vdc
Have put below the wiring diagram the pin 14 OBD2 , so easier that it can be traced from the ABS backwards , showing all the PIN numbers needed
Click image to enlarge
Click image to enlarge
26th May 2020 8:09 am
Briscoe05
Member Since: 25 Mar 2019
Location: Lincoln
Posts: 67
So managed to get to the car today and check pins ohms on abs and between pin 14 & 35 I get 8.26kohms??
26th May 2020 6:54 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Hi mate
That’s weird , unless of course the ABS module is faulty ?????? , which of course we don’t know yet
Assume that was with the battery disconnected and connector still attached to the module
So if that’s the case , Would u mind , plse , with the battery still disconnected ,
1) unplug the abs module
2) testing it again just on the unplugged module
3) Then on the connector plse in ohms
Between the same pins 14-35
4) Also using a jump lead from the battery neg post to the engine block
Many thks and curious to see what readings u get
27th May 2020 5:04 am
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1780
Following this along some more. I have added a document to my gallery that may give assistance/guidance to fault finding on the Can Bus. Obviously a "break out" box like GS just acquired could be useful.
https://www.disco3.co.uk/gallery/albums/us...mation.pdf
27th May 2020 9:09 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13597
Hi mate
That’s great and Thks as everything helps that’s for sure
Funny enough , the breakout box just turned up this morning , am now researching to understand what some of the terminals mean
Tac
Wspe
Sdm
Ts
Tc
Vpw plus and neg
Sil
am also wondering , surely if the abs and instrument Cluster which haS the 120ohms resisters , if they are unplugged should read 120 ohms
Also the instrument cluster must have 2 x 120 ohm resisters seeing the medium and high canbus goes in/ out of it
Looking forward to see what results come back from the ABS unit, without it being connected and also what ohms readings from just the connector itself
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