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Tps 4 pin connector conversion to 3 pin Tps and new Throttle body (ADAPTER TPS)

Discussion in '1st Gen. Tacomas (1995-2004)' started by rodstef, Apr 19, 2021.

  1. Apr 19, 2021 at 7:22 PM
    #1
    rodstef

    rodstef [OP] Well-Known Member

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    I have a question, 95-5 3.4 MT reg cab 4 pin connector for the tps (89452-22080) oem and new throttle body with 3 pin connector TPS (89452-35020) some way to convert or adapt that 4 pin connector to 3 pin tps? or some other solution

    Please help, maybe there is a solution and I'm not seeing

    Throttle body for 95-5 is discontinued

    so the only option was a new throttle body (22210-62250) with tps 3 pin connector


    20210326_213115.jpg

    20210326_213122.jpg

    20210413_191034.jpg


    20210413_191041.jpg


    20210413_192204.jpg


    20210413_192242.jpg


    IMG-20210415-WA0034.jpg
     
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  2. Apr 19, 2021 at 10:25 PM
    #2
    DrZ

    DrZ Well-Known Member

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    The 1996 repair manual shows a 4 pin TPS for both the 4-cylinder and 6-cylinder engines.

    What's the part number for the throttle body you need that's discontinued?

    And what year/engine is the throttle body you got for?
     
  3. Apr 20, 2021 at 2:15 AM
    #3
    BartMaster1234

    BartMaster1234 Well-Known Member

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  4. Apr 20, 2021 at 11:42 AM
    #4
    Wyoming09

    Wyoming09 Well-Known Member

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    Where does that 4th wire go??

    I wish I had the EWD for the95.5 and the one the new throttle body is for.

    It might be like any swap change the ECM and other sensors to the year of the new throttle body .

    Without being able to see the schematics.
     
  5. Apr 20, 2021 at 6:06 PM
    #5
    rodstef

    rodstef [OP] Well-Known Member

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    @DrZ

    What's the part number for the throttle body you need that's discontinued?
    22210-62190 throttle body 3.4 4x4 MT 1995-5 / 09/1996 4 pin connector


    And what year/engine is the throttle body you got for?
    I buy this new throttle body and new tps 4 pin connector
    22210-62250 throttle body 3.4 4x4 MT 09/1996-08/1999 and is for tps 3 pin connector
     
  6. Apr 20, 2021 at 6:12 PM
    #6
    rodstef

    rodstef [OP] Well-Known Member

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    maybe a single potentiometer and idle switch
     
  7. Apr 20, 2021 at 6:29 PM
    #7
    rodstef

    rodstef [OP] Well-Known Member

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    It's more complicated than i thought, maybe you could help me please, it shows that you understand about throttle body and tps @Jeff Lange

    00.jpg
     
  8. Apr 20, 2021 at 6:37 PM
    #8
    Jeff Lange

    Jeff Lange Well-Known Member

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    Reading that post, it actually looks like I made a mistake in the information I provided.

    I have since updated it to correct the 1995-1996 V6 information.

    I looked briefly before to see if there was a Toyota 4-wire TPS that would be compatible with the newer V6 non-ETCS throttle body, but haven't found one yet.

    Question for you though, have you compared the plate under the TPS between the two throttle bodies? It may be possible to swap the plate and then use the original 4-wire TPS on the newer throttle body.

    To the other questions that have been asked, the early 4-wire sensors use a single pot and idle switch. The 3-wire sensors use a single pot and no idle switch, the later 4-wire sensors use two pots and no idle switch.

    Jeff
     
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  9. Apr 20, 2021 at 6:57 PM
    #9
    rodstef

    rodstef [OP] Well-Known Member

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    you say to modify the inside of the new throttle body where the tps 3 connectors sit and place the tps with 4 connectors
    did I understand well? that is proven to work? I do not want to break the new throttle
    but if there is no other left I will have to do it

    I had thought of modifying the wire connector with 4 pins tps to convert into 3 pins cable connector but I don't know if it would work
     
  10. Apr 20, 2021 at 7:14 PM
    #10
    rodstef

    rodstef [OP] Well-Known Member

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    information that could be useful about the tps with 4 pins connectors


    tps1.jpg




    tps2.jpg



    tps3.jpg
     
  11. Apr 20, 2021 at 7:43 PM
    #11
    Jeff Lange

    Jeff Lange Well-Known Member

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    Just remove the 2 screws holding the TPS onto the throttle body, and take a look at what's under there. I haven't done it on a 5VZ myself, but I have for other Toyotas.

    That wouldn't work, at least not completely. The ECU is expecting the IDL signal.

    Jeff
     
  12. Apr 22, 2021 at 11:44 PM
    #12
    mechanicjon

    mechanicjon They call me "Jonny Stubs"

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    Here's some info on the 3 wire.

    upload_2021-4-22_23-44-29.jpg
     
  13. Apr 22, 2021 at 11:59 PM
    #13
    mechanicjon

    mechanicjon They call me "Jonny Stubs"

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    The 4 wire has the idle switch in it. Which you will need for your truck. 3 wire won't work in place of it electrically. Only option is to make 4 wire work on throttle body or get a different throttle body.
     
  14. Apr 23, 2021 at 12:05 AM
    #14
    mechanicjon

    mechanicjon They call me "Jonny Stubs"

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    What's wrong with your throttle body?
     
  15. Apr 24, 2021 at 11:10 AM
    #15
    rodstef

    rodstef [OP] Well-Known Member

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    the truck remains accelerated and varies the revolutions intermittently between 1500rpm and 2000rpms
     
    Last edited: Apr 24, 2021
  16. Apr 24, 2021 at 11:16 AM
    #16
    rodstef

    rodstef [OP] Well-Known Member

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    we have advances, I am manufacturing an adapter for the tps 4 pin connector (89452-22080) to swap in the new throttle body (22210-62250)
    hopefully we will have results next week if everything goes well and works

    similar to this


    tps adapteer.jpg
     
  17. Apr 24, 2021 at 11:40 AM
    #17
    rodstef

    rodstef [OP] Well-Known Member

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    that is, you'r right
     
  18. Apr 24, 2021 at 11:55 AM
    #18
    rodstef

    rodstef [OP] Well-Known Member

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    it would look something like this, I found several adapters all over the world and mostly for the Supra but there are no options for the tacoma body throttle and 5vz motor
    then it's time to invent one :popcorn:



    tps adapteer 2.jpg
     
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  19. Apr 24, 2021 at 11:12 PM
    #19
    mechanicjon

    mechanicjon They call me "Jonny Stubs"

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    Throttle shaft worn? Max Bore can rebush it and make it like new. John has had it done to his. @1997tacomav6
     
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  20. Apr 25, 2021 at 7:03 AM
    #20
    1997tacomav6

    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 780k

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    Just look down the throttle body and see if there’s any air gap in between the walls and the butterfly.
    It should be tight,
    The walls should be perfectly smooth where the butterfly meets the wall.

    If there’s any gap or grove on the wall where the butterfly meets the wall, air will slip by and your rpms will be higher.
    Max bore for 125.00 is the best deal and is put in an ultrasound cleaning machine too.
    He will bore out the inside to make the walls perfectly round, new butterfly etc.

    60352A7A-CE66-42BA-ACA0-3CEEE79DDED7.jpg
     

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