oem lock unlock euring remote start
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=138129
Printed Date: July 02, 2025 at 5:39 AM
Topic: oem lock unlock euring remote start
Posted By: durf23112
Subject: oem lock unlock euring remote start
Date Posted: January 03, 2015 at 2:53 PM
viper 5301 on a 2006 lexus rx 330. did Not hookup lock/unlock wires on viper just wnated it to remote start. When I start carwith rs the oem unlock and lock on key doesnt work. is this a programmable function on the viper key fob? ------------- jf durf
Replies:
Posted By: chev104275
Date Posted: January 03, 2015 at 3:21 PM
Factory remotes won't work when truck is remote started. You will need you run the unlock wire in the door.
POWER LOCK BROWN (TYPE B) See NOTE #3 @ MODULE INSIDE DRIVERS DOOR
POWER UNLOCK GRAY (TYPE B) Requires Double Pulse @ MODULE
NOTE #3: METER THRESE WIRES WHILE TURNING KEY IN THE DRIVERS DOOR KEY CYLINDER.UNLOCK REQUIRES A DOUBLE PULSE.
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If i Can't Install it I Don't need it Joe
Posted By: durf23112
Date Posted: January 03, 2015 at 4:16 PM
thanks, not answer I wanted, but I got it. So my only other option is to unlock with OEM keyless remote B4 I RS?
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jf durf
Posted By: chev104275
Date Posted: January 03, 2015 at 7:13 PM
The problem with doing that is the truck will be unlocked the whole time it's running
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If i Can't Install it I Don't need it Joe
Posted By: tedmond
Date Posted: January 03, 2015 at 7:22 PM
you're better off running the wires into the doors for unlock/lock. The vehicle automatically disables the factory remotes when the vehicle is running. After-all, once the vehicle is running there would be no need for factory keyless. IF you unlock with the oem remote and it starts, the doors would be unlocked. Not to mention your range would be limited to 30ft tops. The Viper remote would offer much more range.
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Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
Posted By: howie ll
Date Posted: January 04, 2015 at 7:35 AM
Or use the second status output to keysense, black at ignition switch test:-
Set DMM to 20 VDC, red probe to constant source, black to suspect wire, meter will read 12VDC+ on inserting key.
If there's only one status wire, use a pair of 1N4004 diodes, bands towards the Viper to separate the signal.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: durf23112
Date Posted: January 04, 2015 at 4:29 PM
THANKS. Still al ittle confused about diode isolation. Thought that diodes restrict flow of current, like a gate. Flow can only go in one direction. ------------- jf durf
Posted By: tedmond
Date Posted: January 04, 2015 at 5:50 PM
https://www.the12volt.com/diodes/diodes.asp
You need diodes to isolate the keysense and bypass module. if you didnt do this, every time a key went into the tumbler, the bypass would turn on. Not what you want.
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Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
Posted By: howie ll
Date Posted: January 04, 2015 at 6:00 PM
Hmm Ted, I gave the same answer about an hour ago, seems this site doesn't talk top my iPad when I'm watching TV!
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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