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ECM: 89666-35081 pin out

Discussion in '1st Gen. Tacomas (1995-2004)' started by DesertRatliff, Jun 23, 2025.

  1. Jun 23, 2025 at 6:36 AM
    #1
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Hey all,

    Hoping for some help from you but this is a random one because it's not technically a Tacoma, instead a pretty uncommon 4Runner. I'm looking for a pinout for this ECU (89666-35081). It's a coil-pack 3RZ-FE motor but came from a 2000 4x2 5spd 4Runner. Specifically, I'm looking for the rightmost connector pinout that comes from the cab harness (not the motor harness) and bonus points if you can identify the connector type/part number/etc. Any help or direction would be much appreciated!

    @caribe makaira @Dm93

    20250623_050425.jpg

    20250623_050437.jpg

    20250623_050452.jpg

    20250623_050502.jpg
     
    Last edited: Jun 23, 2025
  2. Jun 23, 2025 at 6:41 AM
    #2
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    This site contains affiliate links for which the site may be compensated.
    #2
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  3. Jun 23, 2025 at 6:49 AM
    #3
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Looking for the exact pinout but this should help (this is for the 98-00 5vz)

    Edit: looks like connector E5 *3

    Terecm.pdf has ECM pinout
     

    Attached Files:

    Last edited: Jun 23, 2025
    Dm93 and DesertRatliff[OP] like this.
  4. Jun 23, 2025 at 8:03 AM
    #4
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    @Sandman614 You, sir, are a fantastic human being. Thanks for making my day.
     
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  5. Jul 3, 2025 at 6:52 AM
    #5
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Can anyone here point me to a glossary of Toyota ECU function abbreviations? I'm close getting close to solving this puzzle but just want to be sure I get it right as I've got 4 different vehicle's wiring I'm working with. LOL!

    I think I've found the others but can't figure out SIL,NSW, and SDL. Thank you in advance!

    glossary.jpg

    8699-toyota-wiring-diagram-abbreviations.jpg
     
  6. Jul 3, 2025 at 7:03 AM
    #6
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Also can someone help with with the replacement terminals for the connector in the original post (Toyota 90980-11638 22 way plug)? Can't seem to find what the replacements are. Thanks!
    20250703_065438.jpg

    20250703_065503.jpg

    20250703_065534.jpg
     
  7. Jul 3, 2025 at 8:24 AM
    #7
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Best I can find searching all over

    NSW = Neutral Start Switch
    SIL = Shift Indicator Lamp
    SDL = Serial Data Link
     
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  8. Jul 3, 2025 at 8:27 AM
    #8
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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  9. Jul 3, 2025 at 8:30 AM
    #9
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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  10. Jul 3, 2025 at 8:43 AM
    #10
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Last edited: Jul 3, 2025
  11. Jul 3, 2025 at 9:46 AM
    #11
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Thank you for the info once again! I really, really appreciate it.

    Yes, didn't notice this before but the connector is stamped with AMP and the terminals have an "8" and "2" stamped in them so Corsa-technic should save me again! I glanced briefly without your help but didn't notice the connector had AMP so that was the ticket. Thanks again

    20250703_093819.jpg
     
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  12. Jul 3, 2025 at 10:08 AM
    #12
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    Tim
    Garner, NC/Boone, NC
    Vehicle:
    '06 SR5 Off Road
    ARB Front Bumper, Projector Headlights w/Slimcubby 4300K HID's, Oznium LED's, LED taillights, DIY Washable Cabin Moose Filter, Sockmonkey SR5 Off Road, Aux Audio plug, OME 886x, OME Nitrochargers, Wheelers 3 Leaf Progressive AAL, ImMrYo Rear-View Mirror Lift Bracket, Dodge D-Rings
    Sweet! Ballenger had a 24 and 28 way connector, and a reference to a 22way but no actual page for info on it. I imagine they probably use the same terminals, but good to know Corsa is a good resource.
     

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