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Passenger Door Smart Key System

Discussion in '3rd Gen. Tacomas (2016+)' started by Victory, Apr 22, 2018.

  1. May 14, 2019 at 10:17 AM
    #521
    morcheez26

    morcheez26 Well-Known Member

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    Got mine installed today... as usual the hardest part was going through the boot .. thanks again for the write up and info guys
     
    MAS and Victory [OP] like this.
  2. May 16, 2019 at 3:33 PM
    #522
    kpgray

    kpgray Member

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    This is GREAT! Thanks for all the info! Toyota should have done this right to begin with!! :mad:
     
    Victory [OP] likes this.
  3. May 18, 2019 at 3:41 PM
    #523
    jimmerheck

    jimmerheck Well-Known Member

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    Has anyone figured out a way to install the handle, but to leave the door unlocking function as to where you dont have to lock and unlock all 4 doors at the same time by the head unit settings? I would like to do this mod, but only like to unlock and lock my drivers door each time, not all 4. Thanks.
     
  4. May 18, 2019 at 3:46 PM
    #524
    caribe makaira

    caribe makaira Well-Known Member

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    You are duplicating the receiving antenna to the system, the Driver's door has it's own relay to unlock, the rest of the doors have another. The only way to (for now) unlock the passenger's door is to tell/set the system to unlock all doors.:notsure:

    upload_2019-5-18_19-24-33.jpg
     
    Last edited: May 18, 2019
  5. May 19, 2019 at 8:25 AM
    #525
    jimmerheck

    jimmerheck Well-Known Member

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    I'm hoping someone figures out a different way...
     
  6. May 19, 2019 at 8:34 AM
    #526
    caribe makaira

    caribe makaira Well-Known Member

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  7. May 19, 2019 at 12:32 PM
    #527
    Victory

    Victory [OP] Well-Known Member

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    Only way now to do it is to tap into the drivers side smart handle, which just gives you a second antenna for the drivers side. If you don’t set the doors to all unlock you would only unlock the drivers side door reguardless of which handle you touched.

    The smart key computer is the same computer used in the Highlander which does have drivers and passengers handles. The pins in the computer used in the Highlander are unpopulated in the Tacoma. I originally started by getting the pins and wiring up to the passenger inputs, but this didn’t work. While the computer is the same, and it is easy to wire the computer the same, but unfortunately the Tacoma isn’t programmed the same. Unfortunately the ability to program the computer to work with the passenger handle isn’t available in Techstream either.

    The 2020s will have the passenger smart handle from the factory, which may open up the ability for us to wire up the ecu for the passenger handle, and program our systems as if they were a 2020. If it is anything like when the 2016s were released I wont expect this to be available to any of us to tinker with for quite some time after the 2020s are released, unless maybe you are very friendly with the dealership mechanics - I am not.

    We may be able to get this to work at some point in the future, but for now the only way to do this is still just to allow all 4 doors to unlock with the drivers door.
     
    BigWhiteTRD likes this.
  8. May 19, 2019 at 12:55 PM
    #528
    jimmerheck

    jimmerheck Well-Known Member

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    great, thank you for your response!
     
  9. May 19, 2019 at 1:47 PM
    #529
    Victory

    Victory [OP] Well-Known Member

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    I didn’t understand at first what you meant previously. But I do now. You are right, this is another option that requires a small amount of additional wiring.
    You would still have both the drivers door and passenger door unlock at the same time, but the rear passenger doors would be unaffected.
    This is not something I will be doing myself as even if I had factory passenger door smart handle I would have it set for 4 doors to unlock at once as that is what works best for me.
    I would still prefer the passenger door worked independently as the factory intended on vehicles equipped that way, so I’ll pursue this again once we can get a version of techstream updated for the 2020s, but good thinking with the option to tie only driver and passenger together.
     
    BigWhiteTRD likes this.
  10. May 23, 2019 at 2:40 AM
    #530
    r_to_the_k

    r_to_the_k Well-Known Member

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    Did you ever find a parts source that ships here (HI) for a decent price?
     
  11. May 31, 2019 at 11:35 AM
    #531
    crashdb

    crashdb Makin' it Rain

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    Holy crap! Why didn't I see this a long time ago? I have been formulating this very modification in my mind for almost two years. I never actually took the leap to do it because I was never sure if the antenna was built into the handle or the door. I can't thank you enough for figuring this out. It has been one of my hugest pet peeves with this truck. I think with this addition, all my gripes about the truck have been solved.
     
  12. May 31, 2019 at 12:19 PM
    #532
    caribe makaira

    caribe makaira Well-Known Member

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    It would take an additional relay in the BECU plus whatever programming update to have system distinguish between driver's and passenger's door ( maybe a code signal from each side)
     
    Last edited: Jun 3, 2019
  13. Jun 3, 2019 at 6:03 AM
    #533
    roth_nj

    roth_nj Well-Known Member

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    Anyone find the handles for less than the $140-150?
     
  14. Jun 4, 2019 at 10:17 AM
    #534
    Charles135

    Charles135 Well-Known Member

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    Victory [OP] likes this.
  15. Jun 4, 2019 at 11:14 PM
    #535
    Charles135

    Charles135 Well-Known Member

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    Been looking all day. Best I’ve seen is 143 with 5 shipping. Ebay and Amazon don’t have sheit.
     
  16. Jun 5, 2019 at 6:39 AM
    #536
    Victory

    Victory [OP] Well-Known Member

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  17. Jun 5, 2019 at 8:34 AM
    #537
    Charles135

    Charles135 Well-Known Member

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    I ordered last night after I got off work. I will update soon. I believe it’s the same. I’m hoping the variations in that second number are just colors. Connector should be common since it goes into the same ecu plug
     
    Victory [OP] likes this.
  18. Jun 5, 2019 at 8:52 AM
    #538
    STrooper

    STrooper Well-Known Member

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    Is there a plug and play option instead of tapping wires?
     
  19. Jun 5, 2019 at 9:12 AM
    #539
    Victory

    Victory [OP] Well-Known Member

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    Not at this time
     
  20. Jun 5, 2019 at 9:40 AM
    #540
    STrooper

    STrooper Well-Known Member

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    Perhaps the harness from the 2020 models may be an option. (?)
     

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