how to wire driver side priority unlock

How do I hook up to driver side priority unlock to my CompuSTAR 1 way remote start. The factory key FOB has driver side priority unlock. This is for a 2005 Nissan Altima.

Does the Compustar unit have a 2nd unlock wire? If it does you will need to use the lock/unlock motor wires and 3 relays. If it doesnt have the 2nd unlock output there isnt a way to do it.

Yes the CompuSTAR does have the 2nd unlock wire. Please explain me in detail about the lock/unlock motor wires and relays. My installer doesn't want to do this, so it's up to me to do. Please and thank you!

Actually, I think I hooked up my keyless entry wires from the remote start into the factory arm/disarm wires. Set the doorlocks for single pulse unlock, and you should be able to retain the drivers door priority. You'll have to press unlock within 5 seconds to unlock the rest of the doors.

Could you please explain this better? So you didn't have to use any additional relays? That would be great if you didn't, so what your saying is that tapped into the factory lock & unlock wires? Thanks for your help!

I feel the urge to clarify so here it is...

Anytime I interface with a vehicle that has factory arm/disarm wires, I hook up my keyless entry to those. If the factory arm/disarm wires control the doorlocks, It always retains drivers priority. On vehicles where the arm/disarm wires do no not operate the doorlocks, I do the relays on the motor wires as mentioned above.

lol... you beat me to the punch... If you tie into the doorlock wires, you will always unlock all the doors at once because they are almost always tied into the lock/unlock switch in the door (which operates all the doors at once).

I think that's what the installer has done right now. He's saying he's got into the lock/unlock motor wires with additional relays and doesn't want to do this. So are their like two factory unlock wires in the harness or something, one for driver side and one for unlock? If so can't he just hook up to those or am I missing something? Thanks!

Using 3 relays:

1st relay - pin 86 to lock wire from r/s, pin 87a to switch side of yellow/red wire @BCM pin 65, pin 30 to motor side of yellow/red.

2nd relay - pin 86 to unlock from r/s, pin 87a to switch side of GREEN / WHITE @ BCM pin 59, pin 30 to motor side of GREEN / WHITE.

3rd relay - pin 86 to 2nd unlock from r/s, pin 87a to switch side of GREEN/ red @BCM pin 66, pin 30 to motor side of GREEN/ red.

Pins 85 & 87 to +12V constant.

The 3 wires @ the BCM(located behind the fusebox) will test by cutting the wire and then meter each side to find the wire that goes to 12V when pressing the lock/unlock switch on the door. when one half of the wire goes to 12V when pressing lock or unlock that is the switch side and the other half is the motor side.

Pardon my stupidity. If I do this myself, do I have to get into the driver door lock? Is this for a 2005 Nissan Altima? So I have to use additional relays correct? If so where do you recommend I place these relays? What is r/s?

He shouldn't need relays for the motor wires to control all the doorlocks.... There are 2 setups available on that car...

Ill send you a PM with my phone number...

All of the wiring in my previous post is for a 2005 Altima. the wires are located @ the BCM which is on the right side of the fusebox. You will need 3 relays.

And r/s is an abbreviation for remote start

Any info I have for this car whether it has anti pinch windows on both sides or just drivers side says nothing about priority locks. Doesnt matter if you use the lock/unlock wires or the factory arm/disarm. neither require double pulse to unlock all.

Here is the wiring for that car. To retain drivers priority, just use the factory arm/disarm wires. Make sure you keep the unlock wire set to a single pulse.

12volts      green (40A)      +      ignition harness
Starter      BLACK/ red      +      ignition harness
Second Starter      BLACK / YELLOW      +      ignition harness
Ignition      BLACK/ red      +      ignition harness
Second Ignition      N/A           
Third Ignition      N/A           
Accessory      red      +      ignition harness
Second Accessory      WHITE/ blue      +      ignition harness
Keysense      BLACK/ red      +      ignition harness or BCM, pin 37
Power Lock      brown      -      BCM to right of fuse box, pin 45
Notes: These wires are only available on vehicles with left front only power window anti-pinch system. On vehicles with left AND right front power window anti-pinch system, use the factory alarm arm and disarm wires for door locks.
Power Unlock      pink      -      BCM to right of fuse box, pin 46
Notes: These wires are only available on vehicles with left front only power window anti-pinch system. On vehicles with left AND right front power window anti-pinch system, use the factory alarm arm and disarm wires for door locks.
Lock Motor      yellow/red      5wi      BCM to right of fuse box, pin 65
Unlock Motor      GREEN / WHITE      5wi      BCM to right of fuse box, pin 59
Parking Lights+      RED / blue      +      driver kick, harness to rear
Parking Lights-      N/A           
Hazards      GREEN/ red      -      BCM to right of fuse box, pin 29
Turn Signal(L)      GREEN/ black      +      BCM to right of fuse box, pin 60
Turn Signal(R)      GREEN/ YELLOW      +      BCM to right of fuse box, pin 61
Reverse Light      GREEN / WHITE      +      driver kick, harness to rear
Door Trigger      see notes      -      BCM to right of fuse box
Notes: The LF door is lt. blue in pin 47, RF door is pink/blue in pin 12, LR door is RED / black in pin 48, and RR door is RED / white in pin 13. Use all four wires and diode isolate each.
Dome Supervision      red      -      BCM to right of fuse box, pin 63
Trunk/Hatch Pin      PURPLE / white      -      BCM to right of fuse box, pin 42
Hood Pin      N/A           
Trunk/Hatch Release      RED / black or blue/red      -      BCM to right of fuse box, pin 30
Power Sliding Door      N/A           
Factory Alarm Arm      pink/blue      -      driver door module in door, pin 4
Notes: Meter this wire while turning the key in the driver door key cylinder.

This wire will also lock the doors.

On vehicles with left front only power window anti-pinch system, this wire is found at the BCM to the right of the fuse box, pin 8.
Factory Alarm Disarm      WHITE/ blue      -      driver door module in door, pin 5
Notes: Meter this wire while turning the key in the driver door key cylinder.

Single pulse on this wire will disarm the factory alarm, and double pulse will unlock the doors.

On vehicles with left front only power window anti-pinch system, this wire is found at the BCM to the right of the fuse box, pin 7.
Disarm No Unlock      see factory alarm disarm           
Tachometer      NOT red, pink, or black      ac      any ignition coil or fuel injector
Wait to start      N/A           
Brake Wire      RED / green      +      brake pedal switch
Parking Brake      green      -      parking brake switch
Horn Trigger      GREEN / WHITE      -      horn switch
Memory Seat 1      N/A           
Memory Seat 2      N/A           
Memory Seat 3      N/A           
Interface Module:      Category:
Door Lock Interface      Required:
No      Type:
Data Bus
Part #: XK02
Alternate Part1 #: IM-Nissan-1
Notes: Works on models with the factory alarm only.
Interface Module:      Category:
Immobilizer Bypass      Required:
Yes      Type:
Transponder
Part #: XK07
Alternate Part1 #: 556UW
Alternate Part2 #: DesignTech 20402
Alternate Part3 #: DesignTech 29402
Notes: Standard on all models.

All of the wiring in my previous post is for a 2005 Altima. the wires are located @ the BCM which is on the right side of the fusebox. You will need 3 relays.

So this could be done without having to get into the door panels and door locks?

Thats a directechs print out. Same place i get all my info. Dont see anywhere on there that says it will retain priority. All it says is the factory alarm disarm will disarm on 1st pulse and unlock doors on 2nd. Its been a while since I've done an 05 Altima, so I could be wrong, but I dont ever remember doing an Altima and having priority unlock without using the motor wires

You are correct meanwire.

Don't know if this helps, but the factory key FOBs do driver side priority unlock.

most factory fobs do. when adding any kind of aftermarket system you have to tell the car what you want it to do and wire it accordingly. I would try Extremes idea with factory arm and disarm wires first and go with my wiring info and the relays if that doesnt work. his info will be a quicker change provided the wires arent in the door.

Have to tried Extreme's way before?

I think I did. The factory alarm disarm wire shuts off the factory alarm on the 1st pulse but doesnt unlock any doors based on the tech sheet he posted earlier.

when i installed my 5701 into a taurus i was able to retain priority unlock. the factory keyless entry had this feature so i just had to meter the wires coming from the keyless entry/security module under the dash whilst pushing unlock on the factory fob and finding the wire which pulsed the neg signal to unlock the drivers door only. i didnt have to go into the door itself and use relays directly at the motors thankfully. its time consuming if you dont know which wire youre looking for but saves the hassle of taking door panels off and getting to the lock motor.

tony_g wrote:

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when i installed my 5701 into a taurus i was able to retain priority unlock. the factory keyless entry had this feature so i just had to meter the wires coming from the keyless entry/security module under the dash whilst pushing unlock on the factory fob and finding the wire which pulsed the neg signal to unlock the drivers door only. i didnt have to go into the door itself and use relays directly at the motors thankfully. its time consuming if you dont know which wire youre looking for but saves the hassle of taking door panels off and getting to the lock motor.

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Most vehicles have the lock/unlock motor wires in the vehicle just like the 2005 Altima in this post. Although I just thought of an easier way to it. Connect the 2nd unlock (-) output from the remote start to where the unlock wire is connected now. Then wire up the unlock (-) wire from the remote start to a relay for the drivers door unlock motor wire. Ultimately, the drivers door will unlock twice but that wouldnt hurt anything and give you the priority unlock and only use 1 relay.

Meanwire - i'm gonna be doing a remote start in an 05 Altima next Wednesday and I'm gonna try this. I'll let you know how it goes.

What was the outcome?