4s-fe Ecu Pinout Info

Primary computer grounds (usually bolted to the intake manifold or cylinder head). E1: The main internal ground for the ECU logic circuit.

Locate the "Diagnostic" or "Check" connector in the engine bay. Bridge pins with a paperclip. Turn the ignition to ON (don't start the engine). 4s-fe ecu pinout

Permanent +12V feed from the battery for the ECU’s internal memory (Keep Alive Memory). Primary computer grounds (usually bolted to the intake