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Forums › The Car › 206 Problems › 2002 2.0 HDI, no EML not starting Please any suggestions... |
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 Posted: Fri Nov 15, 2019 9:01 pm |
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Joined: May 01, 2017
Posts: 2
Trade Rating: 0
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Hi,
would appreciate any help with this problem.
Just done a top end overhaul on engine and fitted new clutch, engine refitted but quickly started engine to check all OK (inlet ducting fitted and the cooling system not fitted) . Engine ran fine (just let it tick over for 30 seconds). 
But after installing the inlet ducting, air box, rad, pipework etc. The problem arose. 
Lift pump not working, no power supply, so checked inertia switch, fuses, checked earthing cables....all OK. Checked double relay and, as part of the casing was broken, carefully removed/broke open the rest of the casing, 4 diodes are inside. Checked them and found 2 diodes were faulty.
Replaced relay with new but still no power to lift pump.
Now I've noticed that the EML does not come on at all. So assuming the ECU is not powering up, would be perhaps a wiring problem/break ? a fuse I missed ?
Please....Does anyone know the pin outs on the Bosch EDC15 variant 2 ECU, I need the pins for constant power, ignition switch power and earth so I can trace wiring
Central locking etc all working fine, if ignition key left in ignition the warning sound works, so not immobiliser ?
Grateful for any help, Thank you
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Posted: Sat Nov 16, 2019 6:08 pm |
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Joined: May 01, 2017
Posts: 2
Trade Rating: 0
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Problem is now sorted,
Finding I had power to the dual relay, made me remove the air filter etc. to re-check connections around the gearbox and also check the round multi-connector fitted to lower passenger wing.
I found some SPIDERS WEB across several contacts of the multiplug, cleaned and refitted.....and lo and behold the EML illuminated :eek::thumb::cool:
Car now starts fine, not certain what happened but assume that there was enough contact with the connector to start the car, maybe vibration or moving the wiring around when refitting air box ..broke the 'good' contact. :confused:
pull the loom about in case of a bad wire....but seems fine.
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Posted: Mon Nov 18, 2019 11:22 am |
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Joined: Feb 08, 2010
Posts: 2368
Trade Rating: +15
Location: Gloucestershire, UK
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You can get similar issues with the earth cables too, where the car will sometimes fire up and other times not because of a poor / eroded connection.
Good spot though!
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