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Thread: Central lock dilemma

  1. #1
    Join Date
    Oct 2004
    Location
    Cairo, Egypt
    Posts
    67

    Default Central lock dilemma

    Guys, I know you are E34 enthusiasts like me. I need help with my newly acquired shi.. E46. The central lock keeps intermitantly jamming and would not open at all (sometimes it works fine and sometimes it just blocks like a mule and would not budge even if I leave it for a while and then come back to do try it) , not even with the internal central locking key nor with the key itesld (it simply opens the driver side door only).
    When putting the car on the diagnostics computer we have, the message is "drop in signal voltage" this is the fault I am getting
    I tried all of the available solutions:
    - Replaced the ZKE
    - Replaced the antenna and the key
    - Replaced the wiring harness
    - Repalced the lock switch
    - Replaced the driver side door lock
    All these were replaced and checked and did not solve the problem so I removed them and installed the original one. I am using used parts by the way (I must have tried soemthing like 20 ZKE untis and they are all the same).
    I even tried to use another rear window (for the antenna) and still nothing happened. The ZKE is the only thing taht slightly cured the problem.
    The lock jams specially frequently when Ileave the car for a long time in the sun.
    HELP ME OUT THERE MY FRIENDS. WHAT SHALL I DO??????????

  2. #2
    Join Date
    May 2004
    Location
    Japan
    Posts
    9,249

    Default

    Before doing more trial and error, drive to the dealer and let them do a fault readout. The new diagnosis can detect any fault in central locking system without the need to remove doorpanels and change of microswitches just for testing.

  3. #3
    Join Date
    Oct 2006
    Posts
    1

    Default

    Hi there. Did you ever get this problem resolved, im suffering from exactly the same issue with my E46.

    Any help would be greatly appreciated.

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