Toyota 89661 Ecu Pinout [extra Quality]

The 89661 prefix is most commonly found on ECUs for:

Do not assume pin positions by color coding. Toyota changes wire colors between model years and even between sedan vs. wagon versions of the same car. toyota 89661 ecu pinout

Finding a specific pinout for a Toyota ECU with the part number can be challenging because that number is actually the prefix for hundreds of different Toyota Engine Control Units (ECUs). The 89661 prefix is most commonly found on