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Thread: Double Locking

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  1. #1
    Join Date
    May 2004
    Location
    Japan
    Posts
    9,281

    Default

    Or a defective microswitch. See on my website the link to Johan & Sean's page.

  2. #2
    Join Date
    Sep 2005
    Location
    Invercargill, New Zealand
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    25

    Default

    I checked all the fuses. they are okay. Looks like it might be the microswitch.

    Thanks guys.

  3. #3
    Join Date
    Jan 2004
    Posts
    1,342

    Default Just follow Uscharalph advaice and check the harness...

    by the driver's side hinge in the trunk lid. It will do no harm to check this frequent source of lock system issues.

    Javier

  4. #4
    Join Date
    Sep 2005
    Location
    Invercargill, New Zealand
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    Default

    Quote Originally Posted by Javier
    by the driver's side hinge in the trunk lid. It will do no harm to check this frequent source of lock system issues.

    Javier
    Just checked the trunk wiring... found 6 wires all with the casings broken, though wires still connected. Taped them up, but the doors still not locking normally. Any suggestions?

  5. #5
    Join Date
    Dec 2004
    Location
    Sydney, Australia
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    4,374

    Default

    ANswer is back in the thread. Shogun: microswitch- Sean and Johan's pages..

    Join the Aussie
    540i LE yahoo forum

    08/88 535i e34 M30+miller MAF, 'stiens, tints & teeth!

  6. #6
    Join Date
    Jan 2004
    Posts
    1,342

    Default OK, now unlock the system using the 3 ....

    available key holes. I mean, both front doors and trunk. Remember you should not double lock the doors for the trunk key hole to be able to unlock the system.

    I'm interested to see if there is one lock that works fine, as it would be the culprit. My car is doing the same thing "Unlock / lock / unlock again", only noticed it when engine is running (typically when I'm leaving a passenger, may be also in "D", and have not been able to debug it, though I have not put enough effort).

    I fear the culprit is the trunk lock, may be it is acting lazy, and it is issuing a lock command early after unlocking the system. If so, may be some lube in the linkage will help, as long as the micro switch inside the actuator is working fine (It is if lock works fine with the key).

    Javier

  7. #7
    Join Date
    Sep 2005
    Location
    Invercargill, New Zealand
    Posts
    25

    Default

    Quote Originally Posted by Javier
    available key holes. I mean, both front doors and trunk. Remember you should not double lock the doors for the trunk key hole to be able to unlock the system.

    I'm interested to see if there is one lock that works fine, as it would be the culprit. My car is doing the same thing "Unlock / lock / unlock again", only noticed it when engine is running (typically when I'm leaving a passenger, may be also in "D", and have not been able to debug it, though I have not put enough effort).

    I fear the culprit is the trunk lock, may be it is acting lazy, and it is issuing a lock command early after unlocking the system. If so, may be some lube in the linkage will help, as long as the micro switch inside the actuator is working fine (It is if lock works fine with the key).

    Javier
    The trunk unlocks and locks the car normally, but both driver's and passengers door both double lock. So that makes it the boot lock then?

  8. #8
    Join Date
    Jan 2004
    Posts
    1,342

    Default Have you tried the unlock operation with trunk lock ...

    in both locked positions, I mean, horizontally, and locked vertical? is there any difference?

    Javier

  9. #9
    Join Date
    Sep 2005
    Location
    Invercargill, New Zealand
    Posts
    25

    Default

    Quote Originally Posted by Javier
    in both locked positions, I mean, horizontally, and locked vertical? is there any difference?

    Javier
    Sorry, I'm not sure i understand what you're saying. I'm such a noob.

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