Re: [DML] Help! Door lock problem!
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Re: [DML] Help! Door lock problem!



> So, at the door, you lock, unlock, and it breaks. Then you try to
> lock/unlock from both doors and neither one activates the solenoids?
> Then some period of time elapses and it starts working again?

Correct.  I also have Toby's keyless entry installed and it happens when I 
use the remote as well.  (Toby's system has been verified as working 
properly.)

> If you hadn't said you can manually activate the solenoids from within
> the module, I would have blamed the circuit breaker. Have you verified
> it isn't popping? When the system quits working from the doors, have
> you tested to see if the module has power before things start working
> again?

Yes I have, and power is there.

> The door locking circuit is really quite simple, so this should be
> easy to track down. You're going to need a multimeter; measure the
> pins at the wiring harness to the lock module (with the module
> disconnected) to verify the slide type switches in both doors are
> working properly on multiple manual lock & unlock cycles. Then verify
> you can manually activate both door lock solenoids by shorting the
> appropriate pins (again, with the module disconnected). If this all
> works without issue, you've got a problem internal to your door
> module. At that point I'd either begin troubleshooting that circuit in
> depth, or simply replace the module alltogether.

I have already tested the solenoids independent of the module and both work 
great.


Here is a new development.  While verifying that the module itself was 
getting power, I also checked the capacitors.  While the system was 
"unlocked", the lock capacitor was holding at 12v, and the unlock capacitor 
was holding at .5v.  When I "locked" the system, the unlock capacitor was 
holding at 12v, and the lock capacitor was holding at .5v.  So when I went 
to unlock, the system responded and unlocked, however now both capacitors 
were holding at .5v.  Obviously, when I went to lock again, there was not 
enough standby power to activate.  The module is getting steady power at 
this time.  I am not an electrician, so I'm not sure why it's taking so long 
for the capacitors (which just got replaced because I thought the old ones 
were shot) to charge again.  They do eventually charge because I am able to 
lock/unlock again after some time.

Jace



> -Ryan
>
>
> On 7/5/05, Jace & Jenn <judtnet@xxxxxxxxxxxx> wrote:
>> Linkage appears fine.  This problem happens to both doors at the same 
>> time.
>>
>> Jace
>> VIN 3488
>>
>>
>> ----- Original Message -----
>> From: "Ryan Wright" <ryanpwright@xxxxxxxxx>
>> To: <dmcnews@xxxxxxxxxxxxxxx>
>> Sent: Tuesday, July 05, 2005 12:27 PM
>> Subject: Re: [DML] Help! Door lock problem!
>>
>>
>> > If everything works fine manually tripping the locks at the module,
>> > but it doesn't always work by pressing the lock/unlock switch on the
>> > doors, I'd suggest opening the doors up and checking the linkage.
>> > There's a "slider" deal in there that trips the door lock module. It's
>> > possible you're not getting a good connection there.
>> >
>> > Next time this happens, try using the other door. So if the driver's
>> > side doesn't trip the electrical locks, hit the lock/unlock on the
>> > passenger's door and see what happens. If one works and the other
>> > doesn't, your problem is almost certainly in the door.
>> >
>> > -Ryan
>> >
>> > On 7/4/05, Jace & Jenn <judtnet@xxxxxxxxxxxx> wrote:
>> >> Group,
>> >>
>> >> I have been having some problems with my door locks.  I can lock once 
>> >> and
>> >> unlock once.  After that,  the locks will not respond for quite some
>> >> time.  I can then lock once and unlock once again and the process 
>> >> starts
>> >> all over.
>> >>
>> >> I have tested the solenoids independently for proper function, and 
>> >> they
>> >> both work flawlessly.  I am getting power at the switches.  I opened 
>> >> the
>> >> door lock module and can manually trip lock/unlock to work.  Toby
>> >> Peterson suggested that the capacitors may be malfunctioning, so I
>> >> replaced them to no avail.
>> >>
>> >> Help!  What can I do next?
>> >>
>> >> Thanks,
>> >> Jace
>> >> VIN 3488
>> >>
>> >>
>> >>
>> >>
>> >> [Non-text portions of this message have been removed]
>> >>
>> >>
>> >>
>> >>
>> >>
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