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Problems after BSI and ECU transplant
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Rob2859

Posted: Tue Jul 26, 2011 1:24 pm

Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax

I accept that it must be down to wiring somewhere. But I can't get my head around what it has to do with the battery's. I might not be able to check the plugs now as its getting dark and the inspection lamp is locked inside a Morris Minor. I can see why my dad likes it now, simple straight forward engineering.

Rob2859

Posted: Thu Jul 28, 2011 10:18 am

Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax

Aright then; the EML light came on again and the speedo has not worked since swapping everything over so I took it for another diagnostics.

Instrument Cluster memory:

Speed signal signal improbable: Speedo
Control unit for central electrical system no communication - Comms unit faulty?
Data line no communication - Comms unit faulty?
Coolant temp signal improbable - Needle is fine but could explain the stop light?

Central electronics:

Communication between central ECU and ABS/ESP communication faulty? - Explains the dash lights
Air con evaporator temp sensor open circuit - Similar reading before with the old ECU

ECU IAW 4.8P:

Cooling fan power/ground circuit - Similar reading before with the old ECU
A/C pressure sensor signal too small - Similar reading before with the old ECU
Synchronisation of camshaft (bank 1) to crankshaft signal improbable - Don't see how this is related?

Also I was thinking of testing the plugs mentioned by lee by taking them off and using a light tester on them when the ignition is off to see if any are still supplying power?

Rob2859

Posted: Wed Aug 03, 2011 12:36 pm

Joined: Mar 29, 2010
Posts: 3977
Trade Rating: +15
Location: Halifax

I have managed to make more progress but have hit a wall again. If I remove fuse for for the MFD etc then it stops the dash lights and the headlights coming on. However the items that use that fuse still work without it :s

The temp live on the radio also seems to be a permanently live I forgot to mention earlier.
I tried to fix my electric windows and central locking but failed. There is no live feed to any of the plugs and I couldn't trace them back further.

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