[quote author=garyd9 link=topic=69131.msg1202042#msg1202042 date=1171281396]
[quote author=automaticman link=topic=69131.msg1201992#msg1201992 date=1171267509]
Seriously, you really don't want to deal with priority unlock. It will mean running wires through the molex plugs and grommets of each door and trying to interface with each factory actuator directly. Major PITA.
The door lock wires I used were the ones connected by the dealership for their own alarm, there may be a different set of wires that work the doors simultaneously like AutoXer's. You also might
be able to get the doors to priority unlock using the factory system, but you will have to find a way to shorten the lock pulse to be less than the .8 second pulse it is now.[/quote]
Would it be possible to have the primary unlock (driver door) be wired directly to the single driver door, and then the secondary unlock (the rest of the doors) be wired to the standard unlock wire already being used (which seems to be tied to the "unlock" button in the driver and passenger side doors?)
One thing I noticed messing with the programming on the alarm is that I can program the door unlock pulse to be either 0.4 or 0.8. I can also program it for either single pulse or double. Single pulse SEEMS to only unlock the drivers door. I wonder if there's some kind of circuit possible so that the primary unlock does a single pulse and secondary unlock does the double pulse. It'd be simple if I could just program the DEI alarm to unlock the drivers door with a single pulse and unlock everything else with a double...
(Note: When I type "primary" unlock, I'm referring to the desired behavior of only the driver door unlock, and "secondary" unlock refers to the behavior of unlocking all the doors.)
I can picture in my head what I want, and various possible ways to get it to happen, but I'm not familiar at all with 12v wiring schemes or with DEI alarms and their undocumented (or hidden documented) features. I'm also quite a bit out of date on wiring schemes in general. I still think of a relay as a electromagnet that closes (or opens) a physical switch.
Oh god... now that I'm reading the install booklet (that the installer REALLY didn't want to give me) I'm wondering if I could wire a relay to this "comfort closure" pin, and run a 12v wire up the a-pillar to my moonroof... and use it to close the moonroof when I turn off the alarm. It appears that it'll feed 200mA for 20 seconds whenever the alarm is armed. Would 20 seconds of power to that motor cause any damage if the moonroof was already closed? I had one installer quote me $200 for parts/labor to do this. They insisted I needed a DEI 530T for it. (I have a really bad habit of forgetting to close the moonroof when it's tilted open.)
This alarm thing is too much fun. Too many possibilities.
The Mazda3 uses a single wire for both lock and unlock. As per automaticman, the duration of the pulse determines drivers door first, then the others. If the alarm can be set to a 0.4 duration pulse, this may just work then. The question is, can the alarm be programmed individually for lock and unlock pulse durations? If not, not sure if the shorter 0.4 pulse will lock the doors...?
You are correct, a relay is esentially an electromagnetic switch.
If the *comfort closure* feature can be programmed for a shorter duration, it may work out fine. 20secs seems kinda long, especially if it's just to close it from a tilt position. Depends on if it has a resistance sensor to know if the moonroof is closed or not. If not, then i'd suggest the window module, but not the 530T, unless the 530T has changed, DEI has always recommeded the 529T (non automated window module) for sunroofs/moonroofs. (the window modules know when to stop, so they do not burn up the motors)