This earlier 4A-GE ECU uses a different labeling scheme, but many core functions share the same or similar pin names.
Terminals are usually labeled with a letter and number (e.g., A38-1). Locate the name of the specific connector plug on the ECU housing before counting pins. toyota 89661 ecu pinout
: The sticker on the ECU case will have the full number (e.g., 89661-XXXXX). This earlier 4A-GE ECU uses a different labeling
Tie E1 , E01 , and E02 together and ground them cleanly to the engine block or a solid chassis point. 89661-XXXXX). Tie E1
Your action plan:
: Pressure Intake Manifold (MAP) or Air Flow Meter (MAF) signal.