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EL ECU in EB Auto - Problems 

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Mar 03, 2009 8:34 pm 
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knowsfords wrote:
Will do KOER tommorow afternoon as I ran out of light.

i got the fan errors too. KOER gave me nothing meaningful :(

Bugger its not the EA/EB1 vs EB2 thing. Wonder what else it could be...
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Mar 03, 2009 9:25 pm 
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Hey guys.

Re the fans. I tried to get my fans to trigger off the ECU but it just wouldn't play ball. I am still using the Davies Craig temp switch. Mind you, I wasn't using factory relays etc, and my A/C wasn't working.

It also worth pointing out that the EL ECU has additional pinouts that control the Auto Climate and the A/C in the EF and EL cars. If these wires are not receiving the expected info, the ECU may not know what to tell the thermo fans what to do.

Everything else worked fine though.

Oh, and my First Sedan was and EB11 Non Smartlock.

BenJ

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Fri Mar 13, 2009 10:28 am 
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I had the auto problems you described when I put an EL ecu in my EA. Turned out to be a faulty wire I had put in, the S5 one. Was getting a bit of resistance on it so it must have shorted out somewhere. Ran a new one and it's good as gold.

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Mar 15, 2009 11:20 pm 
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The same problem with my son's NC Fairlane 91. Engine was swapped to 4L, auto from EB1, TCU removed, Smartlock system fitted, Was controlled by EB/ED XR6 ECU- don't like shifts at all, 1DKC works much better, but still not right.

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Apr 05, 2009 4:51 pm 
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Guys,

Still having problems here. We put the EB ECU back in as the car was undrivable with the auto misbehaving.

Any ideas? Harsh shifts make it seem like a line pressure issue, but the odd shifting on a mild kick down was a bit weird. None of this behavior with the EB ECU. No faults were thrown on the EL ECU which gave any hints as to what it might be, so we're left scratching our heads. Could it be a marginal inhibitor switch, or something like this?

Jason
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Apr 05, 2009 5:49 pm 
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Just a thought? Does the car have an electronic shift kit?

If it does, then the resistor values, which will be fine for the EB ECU will be wrong for the EL ECU and will result in very hard up and down shifts.

BenJ

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Apr 05, 2009 6:02 pm 
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nice logic, but nope, it doesnt.

do the 91LE and 93LE solenoids have different resistances?
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Apr 05, 2009 7:54 pm 
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There are logic differences in the ECUs, requiring different resistor values in the Shift Kit depending on if you use an EB or EL ECU. The boxes are the same electronically.

BenJ

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sun Apr 05, 2009 9:14 pm 
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eb dont have a tcm do they :?

i just thought then that maby the el shift paterns are matched to the el diff ratio but this eb might have a different diff ratio to the el that this computer came out of.

because if this eb has a different diff ratio to the el this computer came out of the shift paterns are gunna be way out of wack :wink:



while where on topic about the el ecu and thermo thing
i thought i might ask yas, with my ea ive fited the el auto ecu in my car thats manual but ive done the resistor mod thing, but if i try and run my thermos off the el ecu will the thermo fan operation
be all over the place.
thankyou :wink:


good luck with the eb jason

and by the way how much you after for a j3 chip with a el xr6 manual file on it.
regards Trav :wink:
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Apr 07, 2009 7:40 pm 
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All the symptoms you describe were apparent in my XG when the S5 solenoid was dead in the auto, even the erratic downshifts, aswell as missed gears. Perhaps pin 38 (s5 output) in your EL ECU is damaged?? Check for corosions of the pin or slip the case off and check the solder inside the case for evidence of moisture, ECU may have been wet at some point from a leaking windscreen or heaterbox.

Cheers
David

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Apr 07, 2009 9:32 pm 
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mmm. If its the ECU, it will be the second EL ECU i've had problems with in this car. I need to find another EL to test it in, or another EL ECU to try in the EB...
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Apr 07, 2009 9:50 pm 
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where abouts in vic are you? i may be able to help.
I've got plenty of ECUs

David

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Tue Apr 07, 2009 10:40 pm 
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el ecu in my nc2 fairlane worked great, basicly ed should work with a eb2 same box, has this only played up since the ecu changes ,maybe a pin prob at the conector or selector /inhibitor switch prob the only codes sholud be for the fans and the bbm , i put in the soliniod for the bbm under dash just to keep the ecu happy and had all the fan wiring etc from a el, no more codes

 

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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Mon May 04, 2009 10:29 am 
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OK, another update...

Tried another ECU (thanks DJ_Brown), same problems. It seems to misbehave mostly when cold, but sometimes when warm too. Sometimes it behaves perfectly. I doubt its wiring related as the car behaves perfectly on the EB ECU.

I put a multimeter on the S5 solenoid line when it was playing up and the pattern seemed the same as with the EB ECU. It drops to around 10v iirc just before shifting.

Any other ideas? It throws no trans related fault codes either.

Jason
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 Post subject: Re: EL ECU in EB Auto - Problems
Posted: Sat Jun 20, 2009 2:01 pm 
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Anyone have any ideas on this? The car runs so much better with the EL ECU -- apart from the shifts which feel like the engines about to fly out...
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