Toyota 89661 Ecu Pinout ~repack~

If you are working on a popular swap or classic model, these are some common 89661 configurations: Models like 89661-50170 or 89661-50241

Disclaimer: These are verified from factory manuals, but always confirm with your specific ECU serial number.

IGT (Timing Signal), IGF (Feedback from Igniter) . toyota 89661 ecu pinout

| Pin | Signal | Notes | |-----|----------------|-------| | D1 | SL1 (Shift solenoid 1) | | | D2 | SL2 (Shift solenoid 2) | | | D3 | SLT (Line pressure solenoid) | | | D4 | SLU (Lock-up solenoid) | | | D5 | OD1 (Overdrive switch input) | | | D6 | OD2 (Overdrive indicator output) | | | D7 | PNP (Park/Neutral position switch) | | | D8 | L (Low position switch) | | | D9 | 2 (Second position switch) | | | D10 | R (Reverse switch input) | | | D11 | NCO (Neutral control output) | For idle control in gear | | D12 | ATF (Transmission fluid temp) | | | D13 | S1 (Speed sensor 1 input) | | | D14 | S2 (Speed sensor 2 input) | | | D15 | L4 (4WD low switch) | SUV models | | D16 | CTRL (Center diff lock control) | | | D17-20 | Spare/Not used | |

Do you have the (the five digits after 89661) or the engine model you are working with? Engine Control Toyota 89661 Wiring Diagram - Pinterest If you are working on a popular swap

. Finding a "pinout guide" for this series often requires matching the specific suffix (e.g., 89661-50102) to the vehicle's model and year. Essential Resources for Toyota 89661 Pinouts

: Forums like 2nd Gen 4Runner Mafia frequently host diagrams for units such as 89661-35570 . 🛠️ Common Critical Terminals Engine Control Toyota 89661 Wiring Diagram - Pinterest

While specific diagrams vary, many Toyota 89661 series ECUs share standardized pin abbreviations and basic power configurations: