Toyota 89661 Ecu Pinout 2021

Without the suffix, a generic pinout is impossible.

Below is a concise, general overview for the Toyota 89661 ECU connector family (commonly used in many Toyota models for engine/ECM and immobilizer-related connections). Connector pinouts can vary by model year, engine type, and region—use this only as a starting reference and verify against the vehicle’s factory service manual or wiring diagrams for the specific VIN. toyota 89661 ecu pinout

These communities are excellent for engine swaps (like swapping a 2ZZ-GE or 1ZZ-FE). Without the suffix, a generic pinout is impossible

These typically feature 40-pin, 80-pin, or similar high-density connectors depending on whether they are VVTi or non-VVTi. 4A-GE (MR2/Corolla): Older models like the 89661-17190 use yellow plugs with a 26/16/22-pin layout. How to Find Your Specific Diagram These communities are excellent for engine swaps (like

Ignition Trigger signal sent from the ECU to the igniter/coil.