Toyota 89661 Ecu Pinout [best]

If your specific 89661 unit does not match the 22R-E configuration above (e.g., it is for a V6 Camry or Corolla), use this standard Toyota legend to decipher the wires.

This ECU often utilizes two primary connectors for bench flashing or diagnostics. Pin 1: +12V Battery (BATT) Pin 2: +12V Ignition (IGN) Pin 12 & 25: Ground (GND) Pin 16: CAN-High (CAN-H) Pin 17: CAN-Low (CAN-L) E6 Connector: Pin 7: K-Line (Optional diagnostics) 2. Modern Toyota/Lexus (1GR-FE, 1UR-FE, 3UR-FE) toyota 89661 ecu pinout

❗ These are – using the wrong pinout can destroy the ECU or wiring. If your specific 89661 unit does not match

The official source for late-model (post-1996) USDM vehicles. Modern Toyota/Lexus (1GR-FE, 1UR-FE, 3UR-FE) ❗ These are

: For modern units like the 89661-52592 (Yaris), guides on Scribd

Most Toyota ECUs from the golden era (1990s–2000s) utilize standard multi-pin connector banks. For instance, according to JustAnswer , some V8 Celsior (UCF20) models feature a configuration of connectors. Critical Pin Identifiers