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2009 Nissan Xterra, Viper 4806V Remote Start


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detergentcandy 
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Location: Colorado, United States
Posted: May 17, 2021 at 2:47 PM / IP Logged Link to Post Post Reply Quote detergentcandy
kreg357 wrote:
In that diagram above, the diodes were only used for their legs to be inserted into empty connector wire cavities. The diodes weren't really used for their signal "blocking" ability.
Here is a diagram of the diode isolation on the Vipers Lock Output wire. This would prevent a vehicle generated arm or lock pulse from affecting the other connected wire.
2009 Nissan Xterra, Viper 4806V Remote Start - Page 6 - Last Post -- posted image.
Same setup for the Viper Unlock wire going to the vehicles Unlock and Disarm wires.
That is rather interesting. So if I used diodes in those connections I made, could that possibly be the cause of my issue? I wouldn't think so because that should only be the lock/unlock output from the R/S. But I don't know a whole lot about this.
kreg357 
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Location: New York, United States
Posted: May 17, 2021 at 3:44 PM / IP Logged Link to Post Post Reply Quote kreg357
If you followed the DB3 diagram, all you really used was the diodes leg. Going by their diagram the Vipers wire was on the bare, straight leg of the diode and the Vipers signal did not pass through the diodes silicon junction. Like this :
2009 Nissan Xterra, Viper 4806V Remote Start - Page 6 - Last Post -- posted image.
If you did connect the Vipers' output signal to to one leg of the diode and inserted the other leg into the BCM cavity, then it would only work if the diodes band was towards the Viper, which would allow the (-) signal through to the BCM. Like this :
2009 Nissan Xterra, Viper 4806V Remote Start - Page 6 - Last Post -- posted image.
Soldering is fun!
detergentcandy 
Member - Posts: 38
Member spacespace
Joined: March 13, 2021
Location: Colorado, United States
Posted: May 18, 2021 at 11:12 AM / IP Logged Link to Post Post Reply Quote detergentcandy
kreg357 wrote:
If you did connect the Vipers' output signal to to one leg of the diode and inserted the other leg into the BCM cavity, then it would only work if the diodes band was towards the Viper, which would allow the (-) signal through to the BCM. Like this :
2009 Nissan Xterra, Viper 4806V Remote Start - Page 6 - Last Post -- posted image.
Yeah, that's exactly what I did for both lock and unlock outputs. I guess I just got confused and thought you needed them regardless. You're saying I didn't need to do that, tho? Hahah. As long as it's not having an impact on the function of the R/S I guess I don't care.
kreg357 wrote:
Here is a diagram of the diode isolation on the Vipers Lock Output wire. This would prevent a vehicle generated arm or lock pulse from affecting the other connected wire.
2009 Nissan Xterra, Viper 4806V Remote Start - Page 6 - Last Post -- posted image.
Same setup for the Viper Unlock wire going to the vehicles Unlock and Disarm wires.
So this would be a "maybe" solution to my issue and then set Feature 5 to Option 1 to "disable" the bypass' Door lock control?
If, let's say, this doesn't solve the issue, can I maintain this setup and set Feature 5 to Options 2 or 3 to give control back to the bypass? That way I don't have to disconnect the new connections?
kreg357 
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Location: New York, United States
Posted: May 18, 2021 at 11:42 AM / IP Logged Link to Post Post Reply Quote kreg357
You may have to play around with the DB3's options to see which one, if any, cures the issue.
Viper single lock / double lock / single arm / double arm might come into play, also.
Soldering is fun!
detergentcandy 
Member - Posts: 38
Member spacespace
Joined: March 13, 2021
Location: Colorado, United States
Posted: May 27, 2021 at 3:12 PM / IP Logged Link to Post Post Reply Quote detergentcandy
I wired the R/S to both lock/arm and unlock/disarm with diodes in-line facing the correct direction and there's no change. I've tried messing around with different features on the R/S and nothing seems to fix it. The vehicle just does NOT receive the lock command on that first press of the button after it's been remote started. I just don't get it. I guess I'm going to get used to pressing the lock button twice every single time now just so I don't forget in the few times I lock it after a remote start shutdown.
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