1kz Ecu Pinout -

This is the 5V reference power sent from the ECU to sensors like the TPS (Throttle Position Sensor) and Map Sensor. 3. The Injection Pump Interface (The "Heart")

Tells the ECU the engine is cranking so it can provide extra fuel for startup. 1kz ecu pinout

Essential for reading "Blink Codes" during troubleshooting. Common Troubleshooting Tips This is the 5V reference power sent from

If using an automatic ECU, this must be grounded or wired to your shifter, or the engine may refuse to rev or start. 1kz ecu pinout