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Home > Technical > 2009 2.4 TDCI Defender Starting Issue (10AS? IPAC? ECU?)
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4206
United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
The cam shaft sensor, if it fails, will allow the engine to turn over but not fire. It’s happened to mine twice. Maybe yours is intermtantly faulty. It won’t show a fault code either. If you’ve got access to the Lynx diagnostics I think you can view the cam sensor output to see if it’s working. Sensor is only used on start up, so you f it fails whist running you won’t notice until you next try to start the engine. The sensor is easy to change and from memory not too much expensive from Ford. 2007 110 TDCi Station Wagon XS
Post #665875 20th Nov 2017 9:34pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green

Click image to enlarge


Yeah Showing just over 200Rpm on turn over
Post #665879 20th Nov 2017 9:38pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Ahh okay! Thankyou!,

I'll look at getting one tomorrow! Smile
Post #665881 20th Nov 2017 9:39pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4206
United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
Somebody diagnosed my cam sensor using the Lynx, but I don’t know how to do it. I would try to do that before buying a sensor in case it’s money wasted. 2007 110 TDCi Station Wagon XS
Post #665882 20th Nov 2017 9:44pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Ahh okay, I'll have a play tomorrow after work! - If not, I'll just get one from GSF car Parts

Thank you Very Happy
Post #665884 20th Nov 2017 9:55pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Hi again!

This afternoon I went back to the Landy... Fired up straight away... No problems at all! Haven't touched anything. I then went on to look at the cam sensor and all looked fine when checking with a multimeter. Could take it to work and check with an oscilloscope but I'm pretty sure it's okay.

After, I disconnected the immobiliser coil (AMR4897) that fits around the ignition barrel and just as before, it fired up again.. Does my immobiliser do anything? - looking in lynx diagnostics, the passive immobiliser and theft system are active. But I've disconnected the only part that would actually recognise the key.

I probably will go back to the Landy tomorrow and it won't start Laughing

Nanocom should be arriving on Tuesday! Thumbs Up

Thanks,
Ollie
Post #666706 24th Nov 2017 5:49pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
But I've disconnected the only part that would actually recognise the key. (not so all in the way its set up )


YES it run your interior light or not Whistle
Post #666709 24th Nov 2017 6:00pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Does an immobilised 10AS stop the engine from cranking? - If it does then I can rule that out and just check the signal is getting to the ipac.

Update: Plugged in the Nanocom today and the Passive immobiliser is disabled, and it's set up for TD5/MEMS.
The lynx diagnostics read that the passive immobiliser was active but I'm going to trust the NANOCOM
Post #667375 27th Nov 2017 7:41pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
2 faults found on the Nanocom


Click image to enlarge


Click image to enlarge
Post #667605 28th Nov 2017 7:20pm
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olliecracker



Member Since: 18 Nov 2017
Location: Gloucestershire
Posts: 19
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Fixed!


It was the IPAC not passing the signal onto the ECU inttermitently! Got around it with a mod and now it starts everytime Smile
Post #668090 30th Nov 2017 9:56pm
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Exwirus



Member Since: 11 Dec 2017
Location: Bydgoszcz
Posts: 7
Poland 
Hi olliecracker. Could you explane how exactly you fix the problem? Seams i have got same issue Sad what means IPAC?
Post #670213 11th Dec 2017 7:57am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
olliecracker wrote:
Fixed!


It was the IPAC not passing the signal onto the ECU inttermitently! Got around it with a mod and now it starts everytime Smile


good
Post #670214 11th Dec 2017 8:03am
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Exwirus



Member Since: 11 Dec 2017
Location: Bydgoszcz
Posts: 7
Poland 
Ok i uunderstood that IPAC is instrument cluster, right? I checked signal from AS10 into IPAC and it's changing when fob is close to immortal coil. But I don't know how to check outgoing signal to ECM? Signal is 0.9V all the time.
Post #670292 11th Dec 2017 2:41pm
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Exwirus



Member Since: 11 Dec 2017
Location: Bydgoszcz
Posts: 7
Poland 
I replaced also CMP sensor. No results unfortunately Crying or Very sad
Post #670293 11th Dec 2017 2:43pm
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Exwirus



Member Since: 11 Dec 2017
Location: Bydgoszcz
Posts: 7
Poland 
Thanks a lot for advice and help. Was the same issue lack mobilisation signal to ECM. Solved with the IPAC bypass.
Post #670785 13th Dec 2017 8:31pm
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