1996 E39 520i - will not start ews manipulated plz help

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  1. 1996 E39 520i - will not start ews manipulated plz help 
    #1
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    Hi Guys, I ahve a e39 2006 520i auto. I just cleared some fault codes for my friend using the launch x431 code reader. now the car will not start.

    it turns over but will not start. engine cranks fine in park and netural
    i have power to the coils (checked green wires on the coils to have 12v on ignition)
    i have the fuel pump working (the launch allows me to adapt the fuel pump relay, i can hear the pump working)

    i have coded the dme and ews using the x431 and it says that it is fine.
    i have coded the ews unit back to the car and it is fine
    i have checked the key and coded it back to the ews and it says it is active and in use.

    Im really stuck and need someone to help. I in huddersfield.
    If anyone can help me and check it out with me i'd really really appreciate it..

    many thanks.
     
     

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    #2
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    TheEnd's Car Details
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    Give me a run down of what happened, and what was the age of the car, is it a 2006?

    Code read - clear faults (and adaptations?)
    Was there and EWS code present?

    Did the car crank then?

    EWS manipulation turned up at what point? Was it after coding the Key to the EWS?
    That's normally a procedure BMW don't do.

    Is this the M54 engine? any codes about throttle adaptation?
    The EWS should prevent cranking if it doesn't like the key, so that bit seems OK.
    If it is the M54, 2.2 520i, (170 bhp) clearing adaptations will cause the ECU to forget the pedal position.

    The adaptation process is clear all codes and adaptations, switch the ign / dash on, and press the pedal 4 times to WOT, and it will store the start and end points.

    If that does nothing, and there are no other codes, you'll have to give Launch Tech support a call and see what they say.
     
     

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    bmw_e39_1996 (28-03-2011)

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    thanks for the quick reply.

    e39 1996 520i 150bhp
    6 cyl.
    ews 3

    all i did was clear the service lights as it had just been serviced, it also had an old fault code from cam sensor, that had been replaced, but not cleared. the car was driven to my house all fine, just didnt start after all of this.

    it cranks and turns over but does not fire.
    it still holds the code 'D1 signal, EWS manipulated' if i keep the ignition key in the barrel it wont come back with the fault code, if i try and start it the D1 fault code comes back. As soon as i take the key out, back in and on to ignition it comes back.

    the ews code only came on after all the code clearing and reseting all adaption options in x431, only 4 things it clears in adaption settings.


    i have adapted all the injetors, i have done the throtle adaption where it clicks for approx 60 times, but have not done 4 pedal press to wot.. does this need doing after adaption, or during? would this cause it not to fire?

    I have done the dme to ews and it says it have coded it and it is fine.
    I have coded the key to the dme/ews and it is in use and is fine

    really confused..
     
     

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    #4
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    on a 1996 150bhp, there shouldn't be any need for throttle adaptations, as it was a cable throttle.
    Usually not having the throttle adapted on an electronic throttle car will allow it to idle, but that was for the M54 engine (you'll have the M52) so I wanted to check that incase some cars behave differently.

    So you have nothing further to do with the throttle now.

    Your D1 code is from the engine ECU, so I think that the sync hasn't worked.
    The EWS box and key are OK, they release the starter, but the ECU isn't syncing as it should, despite the launch telling you so.

    Try to get the voltage higher, run another car and jump across to get 14-ish volts, and try the sync again.
    A lot of software will go through the motions of programming unaware there isn't enough volts to carry it out properly.
    If that fails, you'll need to find someone with different diagnostics and get them to try the EWS sync.
     
     

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    bmw_e39_1996 (28-03-2011)

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    thanks again for the reply. i have access to a snap-on coder, i will try that. but before that i will try booster cables and launch x431 again.

    cam sensor would stop it starting, but its not throwing a code.

    Or the ignition coil pick up faulty? but then its allowing the engine to crank, if immob was on it wold not release starter motor as you mention.

    thanks again so much..
     
     

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    The original rolling code map may still be stored in the ECU which doesn't tie up with the ones now stored in the EWS. You may need to find a way to clear the ones in the ECU first.
     
     

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    bmw_e39_1996 (28-03-2011)

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    i have coded the ecu back to the car several times now. i have heard of removng the battery cables and discharging the system by touching the cables to one another? ten leave the car overnight. re conect and re code..

    but to clear the ews from the ecu, maybe if i disconnect it from the car harness? i see there are 2 ecu's side by side in the right hand side under the polen filters..
     
     

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    The 2 ECUs are engine and autobox.

    When you sync the EWS, it doesn't change anything in the Engine ECU, it just tells the EWS to grab the serial number and remember it, so the ECU isn't going to change it's data.

    Touching the bat leads together can discharge any capacitors holding a memory, but stuff like the EWS codes are held in non volatile memory, so they won't clear (in the same way, that would remove any fault codes either.
     
     

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    bmw_e39_1996 (28-03-2011)

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    the ews does come up with all the info once re-coded it shows:

    VIN WBADD22040BMXXXXX
    EWS: A0883749, 45018181, 07109706, 03
    GM: 52221200, 57
    SA: 00010A00
    VN: 000003E7,D451
    CC:A0FF0A010A0A
    MODEL YEAR: 17.03.97
    KOM: A0F83758, 96160431, 07109710, 10

    seems lie the ecu is not grabbing it and therefore not letting it give the go ahead to fire..
     
     

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    Have you got spark at the plugs? is fuel getting injected?
     
     

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