1995 E36 m3 immobiliser/ews problem - Page 4

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Thread: 1995 E36 m3 immobiliser/ews problem

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    #31
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    right i tried double lock, but it didnt do anything.
    lock with the key once, the dors lock, lock again, nothing happens, petrol flap doesnt seem to be able to lock,
    if i pull the interior handle it just unlocks the doors, turn the ign on, and it doesnt unlock,

    if i turn and hold the key in the lock the window starts to go up.


    i tried starting it with all the parts off my dads one, (dme, ews, transmittor/reciever, induction ring, key in the induction ring while laying on the floor, but my key in the barrel) and i still got ign lights but nothing more.

    im all out of ideas now.
    any1?
     
     

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    #32
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    All doors have to be closed, including the boot and bonnet for the double lock to work !
    Are all the sensors on the doors, boot and bonnet working ?

    I'm surprised that the gear off your dads car hasn't worked ?

    Have you tried pushing this car, putting it in gear, and dropping the clutch ?
    It could be a stuck starter motor/solenoid... Or has this been mentioned previously on the thread ?
     
     

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    #33
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    all doors/boot bonnet were closed, i just tried it again just incase.
    still nothing. all sensors work cos the lights come on/off windows go up/down when u open/close the doors.
    bonnets shut cos the alarm beeps if its not, boots closed cos gthe lights off.

    it was no different with the parts from his car fitted,

    haven tried pushing the car as its wiring to the starter thats not working not the starter itself.
    i know i have a live from the key to the ews but no live from the ews to the starter or the dme.

    plus if i pushed it off my drive i couldnt get it back on. lol
     
     

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    #34
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    Can't think why the starter didn't operate with all the parts off the other car.
    Did you definately confirm the live at the EWS was the one from the ignition in start position? (there are other lives at the EWS unit). If so, you could short across from that wire to the one that goes to the starter temporarily, then turn the key and see if the starter turns - just to be sure that circuit is ok.

    You have checked all fuses - No.31 for EWS and No. 45 or 46 for transmitter.
     
     

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    #35
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    yep checked all fuses, they are all ok and getting a live at the ews from the fuse box and from the key in p3, but no live out from ews wvwn with dads parts on there.

    i could bridge the starter but the car still wont run cos the ecu isnt getting a signal from the ews so wont tell the fuel pump/injectors to work.
    that will show the starter working but wont answer the problems with the car.
    ill do it in the mornin, but i know theres a fault with the ews box cos with a test light plugged in it im not getting anything out.
     
     

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    #36
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    Get a thick wire, connect one end of the wire to the positive post near the brake master cylinder, and stick it on the starter motor.

    Get the car started !

    Let's see if it's a stuck starter motor or not !

    EDIT: You posted while I was reading electrical diagrams. Just get the car started, rule out the starter.

    The reason I say this, is because your saying that the DME isn't getting a signal from the EWS... But what you've got to remember, is that this is a 2-way DATA line. The EWS doesn't just output 12v, and the DME see's 12v !

    The ISN received from the EWS II module during start-up is compared to the internal
    ISN of the DME. The numbers must match before the start operation is allowed to continue.
    ISN = Individual Serial Number.

    The EWS and DME are trying to exchange numbers to see if they match.
     
     

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    #37
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    Quote Originally Posted by Ferret View Post
    You've said to lock, then unlock... But the doors need to be double locked for the EWS to send the unlock command to the ZKE.

    The literature I have, says:


    GM, being referred to the ZKE.
    Double lock means lock signal from the key switch plus the signal from the actuator when the button uncouples.
     
     

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    #38
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    i can bypass the ews to see what the starter does, actually ill do it in the break of the bourne ultimatum im watching now lol.

    so the wire from the ews-dme, does this request a code from dme then back to ews telling the starter to start, when u turn the key?
     
     

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    #39
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    Right, i've been out to test my car, as I have 2 keys for it, 1 that IS recognized by the EWS, 1 that ISNT recognized.

    Locked, with unrecognized key = No unlock
    Double Locked, with unrecognized key = No Unlock
    Locked, with recognized key = No unlock
    Double locked, with recognized key = Unlock

    The car has to be double locked, which means you turn the key once in the locked position (And as long as every door is shut properly) then it should double lock - The double lock is confirmed by the locking of the petrol flap, and the obvious one, unable to open from the inside of the car !
     
     

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    #40
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    right, i just went and bypassed the ews unit on the starter circuit.
    i connected a 3mm wire from the key side to the starter side of the ews, the car instantly cranked over on the key as per normal.
    BUT wouldnt start.

    i dont know if my car is too early to double lock or something but it doesnt do it.

    if i turn the key twice in the lock, it locks the doors once, petrol cap doesnt lock(dont think it can, i cant see any locking mechanism for it) and if i open the interior handle the first pull unlocks the car, 2nd pull opens the doors.
     
     

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