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2L-TE A/T ECU 12 pin connector /pigtail


69FJ40 2LTE transplant

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I am transplanting a 2000 Surf 2L TE Helix diesel into a 1969 FJ40. I bought the drive train from Japan (Engine/Auto 4x4 trans) and the associated wiring harness on the engine/trans/sensors.  The ECU was connected but did not include the 12 pin female dark grey connector (ECU : 2L-TE A/T Denso unit number 89661-60110) that feeds per the list. I have looked online and cannot find this 12 pin ECU female connector. Does anyone have a source or possibly a harness pigtail that I can purchase. I am in the USA and they never imported these vehicles to stateside. Any help will be appreciated in remedying the problem. Thank You.

  1. Glow main relay (G-REL)
  2. Power (BATT)
  3. Turbo lamp (TIL)
  4. a/c relay (ACT)
  5. speed sensor (SPD)
  6. glow plug lamp (G-IND)
  7. Power (+BF)
  8. Power (+B)
  9. Glow plug power (+BG)
  10. Ignition switch (IG SW)
  11. a/c switch (AC)
  12. Tach output (TAC)
Edited by 69FJ40 2LTE transplant
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  • 2 weeks later...

FYI: If you are in need of ECU/ECM OEM wiring connectors for the 2L-TE Toyota they are the same pin and connectors used on the 1994 Toyota Corolla 4A-FE engine with A/T. The Corolla's ECU is part # 81661-1A230 A/T. Different engine, different vehicle, different program but the wiring and pin layout is identical for all 3 harness connectors, the 26 pin, 16 pin and 12 pin dark grey. Persistence pays, never give up and never give in !!

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  • 1 month later...

does this help you? I had a lot of these pics when I was trying to do a lockup converter on my auto. Never could work it out. The forum where I put all my pics and info seems to have disappeared. Here is the link if it every comes back:

Toyota 4WD Surf Owners • View topic - Torque Converter Lockup Wire Location

ECU_pinOut.png

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