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Added MTS/Crawl Control switch to Platinum CrewMax

Discussion in '3rd Gen Tundras (2022+)' started by Tundra_Lover7, Oct 19, 2022.

  1. Nov 1, 2022 at 7:00 PM
    #31
    Tundra_Lover7

    Tundra_Lover7 [OP] New Member

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    No the Multi terrain monitor does not activate with just the change of the switch. I still have just the normal panoramic view monitor screen. Not sure how you get that multi terrain monitor view. Perhaps when you swap to the other 4 wheel drive computer? I would love to know for sure where that option resides?
     
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  2. Nov 2, 2022 at 7:01 AM
    #32
    voodootaco

    voodootaco New Member

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    Did you perform “zero point calibration”? Or just install module?
     
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  3. Nov 2, 2022 at 5:11 PM
    #33
    virgilus11

    virgilus11 New Member

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    Please keep us update. Would be great to make it work in snow .
     
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  4. Nov 2, 2022 at 5:38 PM
    #34
    voodootaco

    voodootaco New Member

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    Is after installed module of mts/crawl
    1.-turn on ignition switch
    2.-putting togheter 4 times terminals CG and TS ( for tacoma i Belive is pin 4 and 12 from the computer were you scan for codes) . You’ll see flashing Dashboard
    3.-turn off
    4.- turn ignition switch by holding them together and thats pretty much it
     
  5. Nov 2, 2022 at 5:39 PM
    #35
    Buellride

    Buellride New Member

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    Wouldn't you need the cameras under the truck to have them activate? I have to assume vehicles that came with MTS as OEM and had the pano view got the cameras under the truck. I just have a vanilla SR5...nothing special
     
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  6. Nov 2, 2022 at 5:57 PM
    #36
    Tundra_Lover7

    Tundra_Lover7 [OP] New Member

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    I only have installed the switch in my 2022 Tundra which I believe is step one. See 1st post of thread. The installation of the switch was plug and play and did not require a zero point calibration. When I added MTS and crawl control to my wife's GX460 I did need to perform the zero point calibration after I installed the driver module behind the dash see the thread https://forum.ih8mud.com/threads/46...ct-mts-to-2010-2019-models-all-trims.1040976/ to my knowledge nobody has taken the next step to purchase and install the 4 wheel drive control computer referenced in the 1st post.
     
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  7. Nov 3, 2022 at 5:13 AM
    #37
    RockyR

    RockyR New Member

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    There isn't a camera under the truck. It uses the front camera and timing to show you what would be under your truck. It's computer trickery. There is no "live view" under the truck, it's a calculated prerecorded image that moves on your screen to show you what is now under your truck. The camera hardware is already there for the fancy camera view, it just may need the 4x4 computer module to make it work. I'm not sure why Toyota didn't give every truck with 4x4 the multi terrain monitor view. Even if you don't plan on "off roading", it sure would be nice to have when you do use 4 wheel drive for any reason. If it is figured out that we only need the 4x4 computer module to make this work, I will definitely be getting one.
     
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  8. Nov 3, 2022 at 5:43 AM
    #38
    Buellride

    Buellride New Member

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    Now you have me intrigued, if it is possible to actually get the multi terrain view without the pano option installed on the truck I would absolutely want it. Following.....more than I was before o_O. :rofl:
     
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  9. Nov 3, 2022 at 9:01 AM
    #39
    4genRunner

    4genRunner New Member

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    Doubful. I assume if you do not have PVM then you do not have the front camera (in the grille). The front camera is the one used for the "under the vehicle" view that is done via delayed playback of the front view. If you've never seen the under the vehicle view system in operation, once the view is selected you need to drive forward a couple feet before you can see what's under the truck. This is because it is simply taking the front camera view and playing it back later when that section of ground would be under the vehicle. It is not a live view.
     
  10. Nov 4, 2022 at 6:09 AM
    #40
    virgilus11

    virgilus11 New Member

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    I ordered both, the switch from Bay and the 4 wheel drive controller thru the dealer.
    I should get these in hand in few days and I will do the installation myself. I just hope that the new controler does fit the existing plugs. I am going to ask the dealer to run it thru an update on the Toyota tech stream next week. I will update at that time.
     
  11. Nov 4, 2022 at 6:44 AM
    #41
    RockyR

    RockyR New Member

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    Awesome! I'll be glued to the forum to hear the outcome! Thanks for being the guinea pig!
     
  12. Nov 4, 2022 at 7:07 AM
    #42
    OnThaLake

    OnThaLake New Member

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    I presume since the Tundra has a traditional 4x4 system, it's not going to help at all in regards to changing road conditions. It'd still bind up when you try to turn on a patch of road with traction.
     
  13. Nov 4, 2022 at 7:29 AM
    #43
    virgilus11

    virgilus11 New Member

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    Tundra does not have a Torsen diff in the middle like a 2nd gen Sequoia , Gx or Land cruiser

    Yes , it binds
     
  14. Nov 4, 2022 at 8:27 AM
    #44
    Tundra_Lover7

    Tundra_Lover7 [OP] New Member

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    Thank you for taking the experiment to the next level. Fingers crossed! Please take any pertinent pictures and notes to help other with the installation process.
     
    Last edited: Nov 4, 2022
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  15. Nov 4, 2022 at 8:39 AM
    #45
    CamsRetriever

    CamsRetriever New Member

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    Nice work, I’m interested to see where the results fall
     
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  16. Nov 4, 2022 at 10:23 AM
    #46
    virgilus11

    virgilus11 New Member

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    Great. Thank you
    Just picket the controller The dealer give me a good deal 741B5A93-9F70-4663-BB83-00A87AA41BB7.jpg
     
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  17. Nov 5, 2022 at 8:35 AM
    #47
    voodootaco

    voodootaco New Member

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    Hello!

    i have a tacoma 2020 4x4 trd sport and i just purchase an overhead console of the offroad version on junkyard (its a 2016 offroad version) reviewing toyota schematics crawl control module accord intento my research is 84977-35030 is same since 2016 . However when i installed it (module+harness) nothing happed. Maybe next step is to purchase ECU 89953A that is 4WD computer with lockers. I tought my ECU should be same due to also 4x4 but i Don’t know.
    Have any comments or sugestions?
     
  18. Nov 5, 2022 at 8:54 AM
    #48
    virgilus11

    virgilus11 New Member

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    Waiting for switch and I am going to the dealer next week to install the 4 wheel drive computer and the DAC switch. I will update after if I wasted the money or not.
     
  19. Nov 9, 2022 at 5:51 AM
    #49
    virgilus11

    virgilus11 New Member

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    Well,
    I did changes the computer and the switch. Went to the dealer today and they run it thru Toyota security and the rest. Getting a locking differential flashing light that they can not get rid off and DAC not working. Unless the guy doesn’t know what has to be done ?? Is safe to say that I just wasted $700
    Hopefully someone smarter on this forum can find a solution to make this work.
    I can post few extra pics of the process but as of yet , I see no point. BB1F0DC8-3101-4E43-8CB3-B73518998CDB.jpg image.jpg
     
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  20. Nov 9, 2022 at 6:19 AM
    #50
    bballjames

    bballjames New Member

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    That is a bummer to hear. I was very interested to see the results so thanks for reporting back. Hopefully someone will figure out how to make this work.
     
  21. Nov 9, 2022 at 6:29 AM
    #51
    virgilus11

    virgilus11 New Member

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    If is only this , maybe we can use a fake signal the same way CBI offer for the front spoiler when you install their bumper. This would work only if there is a plug under that would go to the locking differential.
     
  22. Nov 9, 2022 at 6:37 AM
    #52
    AverageAZN

    AverageAZN New Member

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    Is there a plug on the harness to plug in just the actuator from a trd OR? Looks like this is the part...

    Screenshot_20221109-073553_Chrome.jpg
     
  23. Nov 9, 2022 at 7:16 AM
    #53
    voodootaco

    voodootaco New Member

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    Hello guys!

    im doing same thing to my tacoma 4x4 trd sport and this os what i find so far:

    1.-tacoma 4x4 uses 2 different ECU, one for the simple 4x4 (89533-04060)and other for the offroad package (89533-04080). So make sure that you purchase proper ECU . Some dealers Don’t even know the difference.

    2.- i purchase crawl control/MTS but for tacoma is also required a harness

    3.- looking on toyota parts page all diagrams seem to be a special harness for the offroad/pro aside of the ABS sensor . I’ll try without it as soon as my ECU arrives.

    4.-locking differential seems to be hole different story. There is an special harnes that is connected on ABS sensor and keep in mind that “locker” byitself i Don’t know yet what Brand is the OEM i think eaton e locker it is not (read this on tacoma fórum)
     
  24. Nov 9, 2022 at 7:37 AM
    #54
    voodootaco

    voodootaco New Member

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    So after everything no lights no nothing?

    My backup plan is to add couple of engineer that work in toyota to LinkedIn maybe add them to your network and ask them what else is required
     
  25. Nov 9, 2022 at 7:38 AM
    #55
    virgilus11

    virgilus11 New Member

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    I spent little bit more time at the dealer with the Master Tech and he is trying to help me.
    At this time we have confirmation that there is no difference between the two computers from outside. I am saying that the numbers of pins are the same, based on what they are telling me. the difference could be on the harness.
    Looks like I have to confirm two things before we move to another
    #1- the harness that connects to 4 wheel drive computer have #6 and #7 wire.
    The only way I can confirm that is if I take everything apart and look at the plugs. If I do this then the Christmas tree will light up again and I have to go back to the dealer and erase the codes. $$$
    Unless someone can confirm this another way
    #2- confirm that, there is a plug in the harness somewhere close to the Differential
    I got these two diagram that can help us if anyone more inclined want to pitch in image.jpg0149034E-0408-4888-BC44-EF8EA0345AAC.jpg
     
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  26. Nov 9, 2022 at 7:43 AM
    #56
    virgilus11

    virgilus11 New Member

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    If we can find that, there is a continuation from the computer out close to the differential and a unused plug with three pins?? He said that should be easy to trick the ecu thinking that there is a locking differential inside.
     
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  27. Nov 9, 2022 at 7:52 AM
    #57
    GG.Offroad

    GG.Offroad New Member

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    A resistive load (correct vale resistor) across those pins would look to the computer like a solenoid winding, if that's indeed true thats its just two pins and no feedback... I find that hard to believe because it knows when the locker engages.
     
  28. Nov 9, 2022 at 8:09 AM
    #58
    KroppDuster

    KroppDuster Just a guy who spends too much money on his truck

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    Very true.

    Had a guy with a 2020 TRD Pro next to me at the pump a couple months ago. I let him check out the interior of my truck. He immediately asked about MTS, CRAWL, and the rear locker the moment he saw the dial on the center console. He said he was going to start making calls about putting a deposit down on a new Pro. I think he was only partially joking. haha.

    I didn't realize that the 2.5 Gen Pros didn't have it. I was surprised since Toyota has had it on the Taco and 4R for awhile, no?
     
    Last edited: Nov 9, 2022
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  29. Nov 9, 2022 at 10:38 AM
    #59
    virgilus11

    virgilus11 New Member

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    Looks like is getting more complicated every hour. I will crawl under tonight to see if any of these are there.
    26 variations?? Wonder how much they can save by not having one single harness with all the plugs there. One thing is clear at list. Nothing that the dealer have to program into anymore, based on what they told me. Is all about harness and signal. If that makes any sense.
    Really appreciate your help.
     
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  30. Nov 9, 2022 at 11:06 AM
    #60
    virgilus11

    virgilus11 New Member

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    I have a Capstone with the power steps

    I am thinking that they separated in at list three categories
    TRD Pro and Off road
    Capstone and Limited
    Sr5 and Sr
     
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