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Electrics half dead after waxoil treatment.
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jenseneverest
 


Member Since: 12 Jun 2017
Location: somewhere
Posts: 769

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

Well thats useless !! Can you go back to older firmware on it ?
  
Post #236729823rd Apr 2024 11:53 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

No!
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236730823rd Apr 2024 1:37 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Click image to enlarge


Click image to enlarge

Managed to get readings from both of the fuel sensors which I hope is a step forward.
Click image to enlarge


Click image to enlarge
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236730923rd Apr 2024 1:55 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4674

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

It wouldn't be a very big job to check the connectors behind the liner in the N/S rear wheel arch!
I mean O/S front, I think. Rolling Eyes

From memory there are two situated at the bottom of the arch just above the chassis rail. Thumbs Up


Edit
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236731123rd Apr 2024 2:14 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

I’m beginning to think it’s the ECU that has packed up!- but the old firmware in the Iid tool showed no fault's and I can’t now check again with the latest version as the first thing it asks for is to switch the engine on which is a pity as it covers the fuel tank senders.
Is it possible the Ctec charger could have blown it?- it’s the only thing I can think of that can have caused it apart from pot holes Whistle
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236734723rd Apr 2024 7:29 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4674

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

I would very much doubt Ctek has anything to do with it. You may have to go the long road of testing specific loom sections to find the culprit.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236735123rd Apr 2024 7:52 pm
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Sylvester19
 


Member Since: 18 Jul 2020
Location: Central Scotland
Posts: 114

Ukraine 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

Try the voltmeter on 2k resistance range, not sure if these are the correct figures from the manual, 51.2 to 992.11 Ohms. Earth point on LH D Post? gstuart mentioned epb, there's mention of the epb with regards the fuel gauge in the manual.
  
Post #236745725th Apr 2024 12:31 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Is this for the rear near side I have already tested?
The park brake is well maintained and working correctly. Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236746025th Apr 2024 4:27 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

PROFSR G wrote:
I would very much doubt Ctek has anything to do with it. You may have to go the long road of testing specific loom sections to find the culprit.


Reading the Ctec XS Multi 2500 manual it can charge as high as 16.5 volts if on the wrong setting Shocked but at the time of the fuel empty display I had just reversed up the ramps to spray under the rear end, switched the engine off and it hasn’t started since but it had been on earlier and I am just wondering if I could have had it on the wrong setting.
What exactly does the start button do? What does it operate? Does it operate the stop/start module?- gone are the days that a faulty solenoid could be shorted out with a screwdriver Laughing
Is the front off side connector similar to the one on the rear NS? - are there any specific pins I should check?
I am waiting for a reply from Pat@gap to see if he can help with the switching on of the ignition.
Thanks for your help and patience I would be lost without it Bow down
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236746125th Apr 2024 4:56 am
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jenseneverest
 


Member Since: 12 Jun 2017
Location: somewhere
Posts: 769

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

Should we not be seeing resistance from the fuel sensors?
IE on a liner scale - fuel dependant, someone posted a scale earlier on .....

How many wires have you got at your SS switch ? Could that not be bridged out ?

The brake light switch (or lack of) still bothers me. Have you got voltage to the footswitch ?
Do the tail lights work ?
  
Post #236747325th Apr 2024 12:11 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4674

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

M3DPO wrote:
PROFSR G wrote:
I would very much doubt Ctek has anything to do with it. You may have to go the long road of testing specific loom sections to find the culprit.


Reading the Ctec XS Multi 2500 manual it can charge as high as 16.5 volts if on the wrong setting Shocked but at the time of the fuel empty display I had just reversed up the ramps to spray under the rear end, switched the engine off and it hasn’t started since but it had been on earlier and I am just wondering if I could have had it on the wrong setting.
What exactly does the start button do? What does it operate? Does it operate the stop/start module?- gone are the days that a faulty solenoid could be shorted out with a screwdriver Laughing
Is the front off side connector similar to the one on the rear NS? - are there any specific pins I should check?
I am waiting for a reply from Pat@gap to see if he can help with the switching on of the ignition.
Thanks for your help and patience I would be lost without it Bow down


Forget about the wheel arch connectors for now but are you saying the car is still on the ramps?
If so I'd suggest you remove them and lower the car to the ground just in case the level sensors are influencing part of the start protocols. (ie brake switch disable)!!

Be careful lowering it though!! Chock the front wheels and use axel stands under the chassis until you're ready to lower the car with a jack under the diff.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236747725th Apr 2024 1:43 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

The rear lights work but not the front lights, the headlight flash works, the brake lights work when the brake peddle is pressed, the rear is still on the ramps.
I left it on the ramps half expecting to have to remove the fuel tank.
A new brake peddle and SS switch has been fitted.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236748225th Apr 2024 2:50 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4674

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Honestly, I'd take it off the ramps, it's a wild card but I have a hunch! Think about it!!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236748425th Apr 2024 2:52 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8121

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

OK but I can't release the park brake Mr. Green I'll have to use the emergency cord in the centre tunnel, something I've never done before in nearly 20 years of D3/4 ownership.
Even the TV still works and the clock is still at the correct time.
Click image to enlarge
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236748725th Apr 2024 3:13 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4674

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

No don't use the emergency release as the park lock will still be active!!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236748825th Apr 2024 3:15 pm
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