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")
Understanding the 1KZ-TE ECU Pinout: A Comprehensive Guide for Swaps and Troubleshooting
Constant 12V power used to maintain the ECU’s memory and fault codes. 1kz ecu pinout
If using an automatic ECU, this must be grounded or wired to your shifter, or the engine may refuse to rev or start.
Located on the intake, used to fine-tune fuel density. 5. Essential Swap "Cheat Sheet" This is the 5V reference power sent from
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These are your main switched 12V power sources, usually coming from the EFI main relay. If using an automatic ECU, this must be
Located at the bottom of the pump, this manages injection timing advance.
Essential for reading "Blink Codes" during troubleshooting. Common Troubleshooting Tips