4s-fe Ecu Pinout

"Okay," Mark muttered, tracing the lines with a greasy finger hovering over the keyboard. "Let's find out why you aren't firing."

Here is a basic pinout of the ECU:

Signal from the Throttle Position Sensor (TPS). 4s-fe ecu pinout

Always cross-reference your specific ECU part number (e.g., 89661-2Bxxx) as Toyota made subtle changes to wire colors and pin locations depending on whether the vehicle was an automatic or manual, and which specific chassis it was installed in. "Okay," Mark muttered, tracing the lines with a

You need a 4S-FE specific O2 sensor (1-wire or 4-wire depending on your ECU version). Using the wrong O2 will keep the ECU in open loop and destroy fuel economy. " Mark muttered

"That's not good," he mumbled. He checked the