Toyota 89661 Ecu Pinout __hot__
89661
The part number is a generic Toyota prefix for Engine Control Units (ECUs) across nearly all models from the 1980s to the 2020s . Because the pinout varies wildly by engine type and year, you must match the five-digit suffix (e.g., 89661-3A080) to find the correct paper or digital diagram . Common 89661 Pinout Examples
Problem B: Fuel Pump Won't Prime
| Pin | Wire Color | Function | |-----|------------|----------| | A1 | B-Y | +12V Battery (BATT) | | A2 | B | Ground (E1) | | A3 | R-B | +12V IG SW (IGSW) | | B1 | G-R | Injector #1 | | C1 | W-B | Check Engine Light | | C5 | B-O | OBD-II (ISO 9141 K-Line) | toyota 89661 ecu pinout
These must have battery voltage (12V) for the ECU to boot. 89661 The part number is a generic Toyota